:root {
    --primary: #7b2cbf;
    /* Purple primary color */
    --secondary: #2196f3;
    /* Blue secondary color */
    --success: #2ecc71;
    /* A friendly green */
    --danger: #e74c3c;
    /* A strong red */
    --warning: #f39c12;
    /* A vibrant orange */
    --info: #2196f3;
    /* Blue for info */
    --light: #f3e5f5;
    /* Light purple background */
    --dark: #4a148c;
    /* Dark purple for text */
}

/* Global Styles & Mobile-First Approach */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    transition: background-color 0.3s, color 0.3s, transform 0.3s, box-shadow 0.3s;
}

body {
    background-color: #faf5ff;
    background-image: linear-gradient(90deg, #e1d5f0 1px, transparent 1px),
        linear-gradient(180deg, #ecdcf7 1px, transparent 1px);
    background-size: 20px 20px;
    color: var(--dark);
    font-size: 16px;
    min-height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
}

h3 {
    color: var(--dark);
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* ---- PREMIUM NAVBAR STYLES ---- */
/* Main Navbar Container */
.navbar {
    background: rgb(76, 10, 114);
    padding: 1rem 2rem;
    box-shadow: 0 4px 20px rgba(123, 44, 191, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.navbar.scrolled {
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, rgba(123, 44, 191, 0.95) 0%, rgba(90, 30, 143, 0.95) 100%);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.nav-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin: 0;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #fff 0%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Hamburger Menu for mobile */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger div {
    width: 100%;
    height: 2px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left;
}

.hamburger.active div:nth-child(1) {
    transform: rotate(45deg) translate(0px, -2px);
}

.hamburger.active div:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.hamburger.active div:nth-child(3) {
    transform: rotate(-45deg) translate(0px, 2px);
}

/* Navigation Links Container */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.95rem;
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active-link {
    color: #ffffff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #2196f3;
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active-link::after {
    width: 100%;
}

/* Logout / auth button styling */
#authButton {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff !important;
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(239, 68, 68, 0.2);
    transition: all 0.2s ease;
    margin-left: 1rem;
}

#authButton:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(239, 68, 68, 0.3);
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

#authButton:active {
    transform: translateY(0);
}

/* Mobile Styles */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, #7b2cbf 0%, #5a1e8f 100%);
        flex-direction: column;
        align-items: flex-start;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
        gap: 0;
        z-index: 9999;
        border-bottom-left-radius: 15px;
        border-bottom-right-radius: 15px;
    }

    .nav-links.active {
        max-height: 100vh;
        padding: 1rem 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-link {
        width: 100%;
        padding: 1rem 2rem;
        color: #e2e8f0;
        border-left: 3px solid transparent;
    }

    .nav-link:hover,
    .nav-link.active-link {
        background-color: rgba(255, 255, 255, 0.05);
        color: #ffffff;
        border-left-color: #2196f3;
    }

    .nav-link::after {
        display: none;
    }

    #authButton {
        margin: 1rem 2rem;
        width: calc(100% - 4rem);
        text-align: center;
    }
}

/* Define the animation */
@keyframes slideInFromLeft {
    0% {
        transform: translateX(-50px);
        opacity: 0;
    }

    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Apply the animation to the heading */
h2 {
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    font-size: 1.9em;
    font-weight: 700;
    color: #34495e;
    animation: slideInFromLeft 0.5s ease-out;
}

/* ---- PREMIUM DASHBOARD CARDS ---- */
/* A simple fade-in and slide-up animation for the cards */
@keyframes fadeInSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Container for the cards with a modern grid layout */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Individual card styling */
.card {
    background: linear-gradient(135deg, #f3e5f5 0%, #e3f2fd 100%);
    /* Purple to blue gradient background */
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(123, 44, 191, 0.15);
    /* Purple shadow for depth */
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border: 2px solid rgba(123, 44, 191, 0.1);
    /* Smooth transition for hover effects */
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease-in-out;
    /* Animate cards on initial load */
    animation: fadeInSlideUp 0.6s ease-out forwards;
}

/* Individual animation delays for a staggered effect */
.card:nth-child(1) {
    animation-delay: 0.1s;
}

.card:nth-child(2) {
    animation-delay: 0.2s;
}

.card:nth-child(3) {
    animation-delay: 0.3s;
}

/* Hover effect to make cards lift and glow */
.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 30px rgba(123, 44, 191, 0.25);
}

/* Style for the icon container */
.card-icon {
    font-size: 3.5rem;
    /* Larger icon size */
    margin-bottom: 1rem;
    /* Purple to blue gradient for the icon */
    background: linear-gradient(45deg, #7b2cbf, #2196f3);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Style for the main value (number) */
.card-value {
    font-size: 3.5rem;
    /* Very large for visibility */
    font-weight: 700;
    margin: 0.5rem 0;
    color: var(--dark);
    line-height: 1;
}

/* Style for the label text */
.card-label {
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ---- COMPREHENSIVE SECTION & FORM STYLES ---- */

/* Sections and Tabs */
.tab-container {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1rem 0;
    border-bottom: 2px solid #e0e0e0;
}

.tab-button {
    background: transparent;
    border: none;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: #95a5a6;
    cursor: pointer;
    position: relative;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.tab-button::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary);
    transition: width 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.tab-button:hover {
    color: var(--dark);
}

.tab-button.active {
    color: var(--primary);
}

.tab-button.active::after {
    width: 100%;
}

.tab-content {
    padding: 1.5rem 0;
    animation: fadeIn 0.5s ease-out;
}

.hidden {
    display: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}


/* Form and Table Styles */

/* Flexible containers for filters and search */
.filter-container,
.search-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
}

.filter-container .form-group,
.search-container .form-group {
    flex-grow: 1;
    margin-bottom: 0;
}

/* Individual form group */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    color: var(--dark);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

/* Suggestions dropdown for autocomplete */
.suggestions {
    position: absolute;
    z-index: 1200;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    max-height: 260px;
    overflow: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    display: none;
}

.suggestion-item {
    padding: 0.6rem 0.8rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--dark);
}

.suggestion-item:hover,
.suggestion-item.active {
    background: #f4f8ff;
}

/* Small devices: make forms full width and stack nicely */
@media (max-width: 576px) {
    .form-group {
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .btn-group {
        width: 100%;
    }
}

/* Improve modal responsiveness */
.modal .modal-content {
    max-width: 720px;
    width: 95%;
}

/* Modal base styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1200;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.45);
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: #fff;
    margin: auto;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 20px 50px rgba(123, 44, 191, 0.3);
    max-width: 680px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    color: var(--dark);
    transition: transform 0.2s ease, color 0.2s ease;
    padding: 0.25rem;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    transform: scale(1.1);
    color: var(--danger);
}

/* Call button used in view modal */
.call-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #28a745, #2ecc71);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 6px 18px rgba(46, 204, 113, 0.2);
    margin-left: 0.5rem;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.call-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(46, 204, 113, 0.28);
}

.call-button .fa-phone {
    font-size: 1rem;
}

/* subtle pulse animation to draw attention */
@keyframes pulse-ring {
    0% {
        box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.40);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(46, 204, 113, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(46, 204, 113, 0);
    }
}

.call-button.pulse {
    animation: pulse-ring 2s infinite;
}

/* WhatsApp button style */
.whatsapp-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25D366, #1ebc57);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 6px 18px rgba(37, 211, 102, 0.18);
    margin-left: 0.5rem;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.whatsapp-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.28);
}

.whatsapp-button .fa-whatsapp {
    font-size: 1rem;
}

/* General responsive modal improvements */
.modal {
    padding: 1rem;
}

.modal .modal-content {
    position: relative;
    max-width: 720px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    box-sizing: border-box;
    /* Smooth scrolling on mobile */
    -webkit-overflow-scrolling: touch;
}

.modal .close-button {
    position: absolute;
    top: 0.5rem;
    right: 0.6rem;
    background: transparent;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--dark);
}

/* Make form groups inside modals stack and be full width */
.modal .form-group {
    margin-bottom: 1rem;
}

.modal .form-control {
    width: 100%;
}

/* Modal action/footer layout */
.modal .modal-actions,
.modal .btn-group,
.modal .modal-footer {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* Enhanced responsive modal styles for different screen sizes */

/* Tablets and small laptops */
@media (max-width: 768px) {
    .modal-content {
        width: 92%;
        padding: 1.25rem;
        max-height: 85vh;
    }

    .modal-header h3 {
        font-size: 1.3rem;
    }

    .details-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile phones */
@media (max-width: 576px) {
    .modal {
        padding: 0.5rem;
        align-items: flex-end;
    }

    .modal-content {
        padding: 1rem;
        width: 100%;
        max-width: 100%;
        border-radius: 16px 16px 0 0;
        max-height: 95vh;
        margin: 0;
    }

    .modal-header {
        margin-bottom: 1rem;
        padding-bottom: 0.75rem;
        border-bottom: 2px solid #f0f0f0;
    }

    .modal-header h3 {
        font-size: 1.2rem;
    }

    .modal .modal-actions button,
    .modal .btn-group .btn,
    .modal .modal-footer button {
        width: 100%;
        padding: 0.85rem;
        font-size: 1rem;
        min-height: 48px;
    }

    .modal .form-control {
        font-size: 16px;
        padding: 0.75rem;
        min-height: 48px;
    }

    .modal .form-group label {
        font-size: 0.95rem;
        margin-bottom: 0.4rem;
    }

    /* Make close button more touch-friendly */
    .modal-close,
    .modal .close-button {
        font-size: 2rem;
        min-width: 48px;
        min-height: 48px;
    }
}

/* Very small phones */
@media (max-width: 380px) {
    .modal-content {
        padding: 0.75rem;
    }

    .modal-header h3 {
        font-size: 1.1rem;
    }

    .btn {
        font-size: 0.9rem;
        padding: 0.75rem 1rem;
    }
}

/* Responsive details grid used in view modal */
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.6rem 1rem;
}

/* Action button layout: icon + text; on small screens hide text and show icon only */
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.action-btn .btn-text {
    display: inline-block;
}

@media (max-width: 576px) {
    .action-btn .btn-text {
        display: none;
    }

    .data-table td {
        white-space: normal;
    }

    .data-table td:first-child {
        word-break: break-word;
    }

    .data-table td {
        vertical-align: middle;
    }

    .data-table .btn-sm {
        padding: 0.4rem 0.6rem;
        font-size: 0.85rem;
    }
}

/* Ensure any table inside modal can scroll horizontally on small screens */
.modal table {
    display: block;
    width: 100%;
    overflow-x: auto;
}

/* Improve readability for long lists in modals */
.modal .scrollable {
    max-height: 60vh;
    overflow: auto;
}

/* Ensure inputs and selects are comfortable on small screens */
@media (max-width: 420px) {
    .form-control {
        padding: 0.65rem;
        font-size: 0.95rem;
    }
}


/* Button Styles */
.btn {
    padding: 0.9rem 1.8rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.3s;
    color: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, #7b2cbf, #9c27b0);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #6a1b9a, #7b2cbf);
    /* Darker purple on hover */
}

.btn-success {
    background-color: var(--success);
}

.btn-success:hover {
    background-color: #27ae60;
}

.btn-danger {
    background-color: var(--danger);
}

.btn-danger:hover {
    background-color: #c0392b;
}

.btn-warning {
    background-color: var(--warning);
}

.btn-warning:hover {
    background-color: #e67e22;
}

.btn-secondary {
    background-color: #95a5a6;
    color: var(--dark);
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

/* ---- PREMIUM & RESPONSIVE DATA TABLE ---- */

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    background-color: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    font-size: 0.95rem;
}

.data-table thead tr {
    background-color: #f7f9fc;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid #e0e0e0;
}

.data-table th,
.data-table td {
    padding: 1.25rem 1.5rem;
    text-align: left;
    vertical-align: middle;
}

.data-table th {
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.data-table th:hover {
    background-color: #eef1f5;
}

.data-table tbody tr {
    transition: background-color 0.3s;
}

.data-table tbody tr:hover {
    background-color: #fcfcfc;
}

.data-table tbody td {
    border-bottom: 1px solid #f0f0f0;
}

/* Responsive Table Behavior */
@media (max-width: 768px) {
    .data-table {
        display: block;
        width: 100%;
        overflow-x: auto;
        white-space: nowrap;
        /* Prevents cell content from wrapping */
    }
}

/* Alert Messages */
#app-alert {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    color: white;
    z-index: 1001;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: opacity 0.5s, transform 0.5s, visibility 0.5s;
    max-width: 90%;
    word-wrap: break-word;
}

#app-alert.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.alert-success {
    background-color: var(--success);
}

.alert-danger {
    background-color: var(--danger);
}

.alert-warning {
    background-color: var(--warning);
}

.alert-info {
    background-color: var(--info);
}

/* Dashboard Chart Styles */
.chart-container {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto 1rem;
}

.chart-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.chart-text span {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
}

.chart-text p {
    font-size: 0.9rem;
    color: #666;
    margin-top: -5px;
}

.status-badge {
    display: inline-block;
    padding: 0.25em 0.6em;
    font-size: 1.0em;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    border-radius: 0.375rem;
    color: #0b3fb9;
}

.status-P {
    background-color: var(--success);
}

.status-A {
    background-color: var(--danger);
}

.status-L {
    background-color: var(--warning);
}

.status-NA {
    background-color: #bdc3c7;
}

/* Mark Attendance Button feedback */
.btn.present-marked {
    background-color: var(--success);
    color: white;
}

.btn.absent-marked {
    background-color: var(--danger);
    color: white;
}

.btn.late-marked {
    background-color: var(--warning);
    color: white;
}




/* ---- ELEGANT, MINIMALIST CALENDAR STYLES ---- */

/* Main container with a soft, clean feel */
#calendar {
    animation: fadeIn 0.8s ease-out;
    padding: 2.5rem;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---- JAW-DROPPING CALENDAR NAVIGATION ---- */

/* Parent container for the navigation, centered and with hover effects */
.calendar-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 1rem 0;
    margin-bottom: 2rem;
    overflow: hidden;
    /* Important for hiding buttons initially */
}

/* Current month/year display */
#currentMonthYear {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    z-index: 10;
}

/* Previous & Next buttons */
#prevMonth,
#nextMonth {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.8rem 1.2rem;
    border-radius: 50px;
    cursor: pointer;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    z-index: 5;
    white-space: nowrap;
    /* Prevents text from wrapping */
}

/* Initial positions (hidden) */
#prevMonth {
    left: -150px;
    /* Hidden to the left */
}

#nextMonth {
    right: -150px;
    /* Hidden to the right */
}

/* Hover effect on the calendar-nav container */
.calendar-nav:hover #prevMonth {
    left: 0;
}

.calendar-nav:hover #nextMonth {
    right: 0;
}

/* Hover effect on the buttons themselves */
#prevMonth:hover,
#nextMonth:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-50%) scale(1.05);
}

/* Optional: Subtle animation for the month text on hover */
.calendar-nav:hover #currentMonthYear {
    transform: scale(0.9);
    opacity: 0.8;
}

/* Media query for smaller screens, so the buttons don't get cut off */
@media (max-width: 768px) {

    #prevMonth,
    #nextMonth {
        /* Keep them visible on small screens for usability */
        position: static;
        transform: none;
        margin: 0 0.5rem;
    }

    .calendar-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
        padding: 0;
    }

    .calendar-nav:hover #prevMonth,
    .calendar-nav:hover #nextMonth {
        left: auto;
        right: auto;
        transform: none;
    }
}

/* Calendar Grid */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.8rem;
}

/* Day Headers */
.calendar-day-header {
    font-weight: 600;
    text-align: center;
    padding: 0.8rem 0;
    color: #a4b0be;
    /* Muted secondary color */
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* Individual Day Cells */
.calendar-day {
    padding: 1.2rem 0.5rem;
    text-align: center;
    border-radius: 12px;
    background-color: #f7f9fc;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.calendar-day:not(.other-month):hover {
    background-color: #eef1f5;
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

/* Day Number and Status */
.calendar-day-number {
    font-weight: 700;
    font-size: 1.4rem;
    line-height: 1;
    color: var(--dark);
}

.calendar-day-status {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 5px;
}

/* Specific Day Statuses */
.calendar-day.selected {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 5px 20px rgba(74, 105, 189, 0.2);
    transform: scale(1.02);
}

.calendar-day.today {
    background: var(--info);
    color: white;
    box-shadow: 0 5px 20px rgba(52, 152, 219, 0.2);
    position: relative;
    z-index: 1;
}

.calendar-day.holiday {
    background-color: var(--danger);
    color: white;
    box-shadow: 0 5px 20px rgba(231, 76, 60, 0.2);
}

.calendar-day.working-day {
    background-color: var(--success);
    color: white;
    box-shadow: 0 5px 20px rgba(46, 204, 113, 0.2);
}

.calendar-day.other-month {
    color: #ccc;
    background-color: #f0f0f0;
    cursor: default;
    opacity: 0.7;
}

/* Calendar Action Buttons */
.calendar-actions {
    margin-top: 2.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.calendar-actions button {
    padding: 0.9rem 1.8rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    color: white;
    font-size: 0.9rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s, box-shadow 0.3s;
}

.calendar-actions button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.calendar-actions .btn-holiday {
    background-color: var(--danger);
}

.calendar-actions .btn-working {
    background-color: var(--success);
}

.calendar-actions .btn-clear {
    background-color: #bdc3c7;
    color: var(--dark);
}

/* Small screen responsiveness */
@media (max-width: 576px) {
    .calendar-grid {
        gap: 0.5rem;
    }

    .calendar-day {
        min-height: 60px;
        padding: 0.8rem;
    }

    .calendar-day-number {
        font-size: 1rem;
    }

    .calendar-day-status {
        font-size: 0.65rem;
    }

    .calendar-actions {
        flex-direction: column;
    }

    .calendar-actions button {
        width: 100%;
    }
}



/* ---- PREMIUM "LIQUID" ANALYTICS CARDS ---- */

/* A more dynamic and complex animation for the background */
@keyframes liquidGlow {
    0% {
        background-position: 0% 50%;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    }

    50% {
        background-position: 100% 50%;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    }

    100% {
        background-position: 0% 50%;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    }
}

/* On-load slide-in animation for each card */
@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.analytics-card {
    /* Main card container */
    background: #fff;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    padding: 2.5rem;
    /* More padding for a premium feel */
    color: var(--dark);
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    animation: cardIn 0.8s ease-out forwards;
}

/* Pseudo-element for the liquid/glowing border effect */
.analytics-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #e1d2eb, #f4f8f8, #def393, var(--success));
    background-size: 400% 400%;
    border-radius: 22px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s ease-in-out;
}

/* Hover effect for the card and the liquid background */
.analytics-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.analytics-card:hover::before {
    opacity: 1;
    animation: liquidGlow 8s infinite ease-in-out;
}

/* Card Heading - more defined with a subtle icon */
.analytics-card h4 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.6rem;
    /* Slightly larger heading */
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2rem;
    position: relative;
    display: flex;
    align-items: center;
}

/* Pseudo-element to add a small dot or icon before the title */
.analytics-card h4::before {
    content: '';
    width: 10px;
    height: 10px;
    background-color: var(--primary);
    border-radius: 50%;
    margin-right: 12px;
    box-shadow: 0 0 10px var(--primary);
    animation: pulse 2s infinite ease-out;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 rgba(26, 188, 156, 0.4);
    }

    70% {
        transform: scale(1.1);
        box-shadow: 0 0 10px var(--primary), 0 0 10px var(--primary);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 rgba(26, 188, 156, 0);
    }
}

/* Analytics Items - more spaced out and professional */
.analytics-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.3s;
}

.analytics-item:last-child {
    border-bottom: none;
}

.analytics-item span:first-child {
    font-weight: 500;
    color: #666;
}

.analytics-item span:last-child {
    font-weight: 700;
    color: var(--dark);
    font-size: 1.1em;
}

.analytics-item .percentage {
    color: var(--success);
    font-weight: 700;
    font-size: 1.3em;
}

.analytics-item .percentage.low {
    color: var(--danger);
}

/* Responsive Breakpoints */
@media (min-width: 576px) {
    .container {
        padding: 1.5rem;
    }

    .card-grid {
        gap: 1.5rem;
    }

    .filter-container,
    .search-container {
        flex-wrap: nowrap;
    }
}

@media (min-width: 769px) {
    .nav-title {
        margin-bottom: 0;
    }

    .nav-links {
        display: flex;
        flex-direction: row;
        width: auto;
        gap: 2rem;
        position: static;
        box-shadow: none;
    }

    .hamburger {
        display: none;
    }

    .page-content {
        padding: 2rem;
    }

    .data-table th,
    .data-table td {
        padding: 1rem;
    }
}

/* Card Icon Styles */
.card-icon .material-icons {
    font-size: 48px;

    color: #3498db;

}

/* Teacher icon color */
.card:nth-child(1) .material-icons {
    color: #27ae60;

}

/* Student icon color */
.card:nth-child(2) .material-icons {
    color: #f39c12;

}

/* Attendance icon color */
.card:nth-child(3) .material-icons {
    color: #036d2f;
}

/* Tablet and small desktop adjustments */
@media (max-width: 1024px) {
    .page-content {
        max-width: 960px;
        padding: 1rem;
    }

    .card-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .filter-container,
    .search-container {
        gap: 0.5rem;
    }

    .filter-container .form-group,
    .search-container .form-group {
        flex: 1 1 45%;
    }

    .tab-button {
        padding: 0.6rem 1rem;
        font-size: 0.95rem;
    }

    .nav-title {
        font-size: 1.3rem;
    }
}

/* Mobile phones */
@media (max-width: 576px) {
    body {
        font-size: 15px;
    }

    .page-content {
        padding: 0.75rem;
        /* Add extra top padding to account for sticky navbar height on small screens */
        padding-top: 5.25rem;
    }

    .nav-container {
        padding: 0.75rem 1rem;
    }

    .nav-title {
        font-size: 1.1rem;
    }

    .card-grid {
        gap: 1rem;
    }

    /* Stack filters and make buttons full width */
    .filter-container,
    .search-container {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-container .form-group,
    .search-container .form-group {
        width: 100%;
    }

    .filter-container .form-group label {
        font-size: 0.9rem;
    }

    .btn {
        width: 100%;
    }

    /* Make data tables scroll horizontally and reduce padding */
    .data-table {
        display: block;
        overflow-x: auto;
        width: 100%;
    }

    .data-table th,
    .data-table td {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }

    /* Reduce modal max width for mobile */
    .modal .modal-content {
        width: 98%;
        margin: 0 auto;
    }

    /* Reduce card padding */
    .card {
        padding: 1rem;
    }

    /* Calendar grid becomes smaller */
    .calendar-grid {
        gap: 0.4rem;
    }
}

/* Extra small screens: make header compress and allow tab overflow */
@media (max-width: 420px) {
    .nav-title {
        font-size: 1rem;
    }

    .hamburger {
        display: block;
    }

    .tab-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .tab-button {
        white-space: nowrap;
        padding: 0.5rem 0.75rem;
    }

    /* stronger small-screen tab rules: prevent any shrinking and ensure visibility */
    .tab-container {
        justify-content: flex-start;
        padding-left: 0.4rem;
        padding-right: 0.4rem;
        z-index: 5;
    }

    .tab-button {
        flex: 0 0 auto;
        min-width: 100px;
    }

    /* make sure tab container sits above content when navbar is sticky */
    .tab-container {
        position: relative;
        z-index: 1100;
    }
}

/* Additional responsive fixes to address overflowing fee tables and filter rows */
@media (max-width: 768px) {

    /* Stack filters earlier for medium-small devices */
    .filter-container,
    .search-container {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-container .form-group,
    .search-container .form-group {
        width: 100%;
    }

    /* Allow tab container to scroll horizontally on narrower screens */
    .tab-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 0.5rem;
        padding-bottom: 0.5rem;
    }
}

/* Convert wide tables (especially fee records) into card-like stacked rows on very small screens */
@media (max-width: 480px) {

    /* Target the fee records table specifically so other tables are unaffected */
    #fee-records .data-table thead {
        display: none;
    }

    #fee-records .data-table,
    #fee-records .data-table tbody,
    #fee-records .data-table tr {
        display: block;
        width: 100%;
    }

    #fee-records .data-table tr {
        margin-bottom: 0.75rem;
        background: #fff;
        border-radius: 10px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
        padding: 0.75rem;
        border: 1px solid #f0f0f0;
    }

    #fee-records .data-table td {
        display: flex;
        justify-content: space-between;
        padding: 0.35rem 0.5rem;
        font-size: 0.95rem;
        border: none;
    }

    /* Use nth-child to insert labels for each column in the card layout */
    #fee-records .data-table td:nth-child(1)::before {
        content: "Student ID";
        font-weight: 600;
        color: #666;
        margin-right: 0.5rem;
    }

    #fee-records .data-table td:nth-child(2)::before {
        content: "Name";
        font-weight: 600;
        color: #666;
        margin-right: 0.5rem;
    }

    #fee-records .data-table td:nth-child(3)::before {
        content: "Class";
        font-weight: 600;
        color: #666;
        margin-right: 0.5rem;
    }

    #fee-records .data-table td:nth-child(4)::before {
        content: "Total";
        font-weight: 600;
        color: #666;
        margin-right: 0.5rem;
    }

    #fee-records .data-table td:nth-child(5)::before {
        content: "Paid";
        font-weight: 600;
        color: #666;
        margin-right: 0.5rem;
    }

    #fee-records .data-table td:nth-child(6)::before {
        content: "Balance";
        font-weight: 600;
        color: #666;
        margin-right: 0.5rem;
    }

    #fee-records .data-table td:nth-child(7)::before {
        content: "Due";
        font-weight: 600;
        color: #666;
        margin-right: 0.5rem;
    }

    #fee-records .data-table td:nth-child(8)::before {
        content: "Status";
        font-weight: 600;
        color: #666;
        margin-right: 0.5rem;
    }

    #fee-records .data-table td:nth-child(9)::before {
        content: "Actions";
        font-weight: 600;
        color: #666;
        margin-right: 0.5rem;
    }

    /* Make long text wrap nicely */
    #fee-records .data-table td span,
    #fee-records .data-table td div {
        white-space: normal;
        max-width: 65%;
        text-align: right;
        color: var(--dark);
    }

    /* Reduce padding on modal/content to avoid horizontal overflow */
    .page-content {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
}

/* ---- ELEGANT, MINIMALIST CALENDAR STYLES ---- */

/* Main container with a soft, clean feel */
#calendar {
    animation: fadeIn 0.8s ease-out;
    padding: 2.5rem;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---- JAW-DROPPING CALENDAR NAVIGATION ---- */

/* Parent container for the navigation, centered and with hover effects */
.calendar-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 1rem 0;
    margin-bottom: 2rem;
    overflow: hidden;
    /* Important for hiding buttons initially */
}

/* Current month/year display */
#currentMonthYear {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--dark);
    margin: 0 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    z-index: 1;
    /* Ensure text is above any background elements */
    transition: color 0.3s ease;
}

#currentMonthYear:hover {
    color: var(--primary);
    /* Change color on hover */
}

/* Navigation buttons (Previous/Next) */
.calendar-nav button {
    background: transparent;
    border: 2px solid transparent;
    /* Transparent border initially */
    color: var(--secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 50%;
    /* Circular buttons */
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    /* Bouncy transition */
    outline: none;
    position: relative;
    overflow: hidden;
}

.calendar-nav button:hover {
    color: var(--primary);
    background: rgba(74, 105, 189, 0.1);
    /* Light primary background */
    transform: scale(1.2) rotate(5deg);
    /* Slight rotation and scale */
    border-color: var(--primary);
    /* Show border on hover */
    box-shadow: 0 0 15px rgba(74, 105, 189, 0.3);
    /* Glow effect */
}

.calendar-nav button:active {
    transform: scale(0.95);
    /* Click effect */
}


/* ---- THE CALENDAR GRID: A MASTERPIECE OF LAYOUT ---- */

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    /* 7 equal columns */
    gap: 15px;
    /* Space between cells */
    margin-bottom: 2rem;
}

/* Day Headers (Sun, Mon, Tue...) */
.calendar-day-header {
    text-align: center;
    font-weight: 700;
    color: var(--secondary);
    padding: 1rem 0;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    border-bottom: 2px solid #f0f0f0;
    /* Subtle separator */
    margin-bottom: 10px;
}

/* Individual Day Cells */
.calendar-day {
    background: #ffffff;
    border-radius: 15px;
    /* Rounded corners */
    min-height: 120px;
    /* Taller cells for elegance */
    padding: 15px;
    position: relative;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid #f5f5f5;
    /* Very subtle border */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
    /* Minimal shadow */
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    /* Align content to top */
    align-items: flex-start;
    overflow: hidden;
    /* Clip overflow content */
}

/* Hover effect for day cells */
.calendar-day:hover {
    transform: translateY(-5px);
    /* Lift up */
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
    /* Stronger shadow */
    border-color: var(--primary);
    /* Highlight border */
    z-index: 2;
    /* Bring to front */
}

/* Selected Day Styling */
.calendar-day.selected {
    border: 2px solid var(--primary);
    background-color: rgba(74, 105, 189, 0.03);
    /* Very light blue tint */
    transform: scale(1.02);
    /* Slightly larger */
    box-shadow: 0 0 0 4px rgba(74, 105, 189, 0.1);
    /* Focus ring */
}

/* Day Number Styling */
.calendar-day-number {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 8px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    /* Circle for the number */
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Today's Date Styling */
.calendar-day.today .calendar-day-number {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 2px 5px rgba(74, 105, 189, 0.4);
}

/* Days from other months (faded) */
.calendar-day.other-month {
    background-color: #fafafa;
    color: #ccc;
    cursor: default;
    border: none;
    box-shadow: none;
}

.calendar-day.other-month:hover {
    transform: none;
    box-shadow: none;
    border: none;
}

/* Status Indicators (Holiday/Working Day) */
.calendar-day-status {
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 12px;
    /* Pill shape */
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: auto;
    /* Push to bottom */
    align-self: flex-start;
    /* Align left */
    width: 100%;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Holiday Style */
.calendar-day.holiday {
    background: linear-gradient(135deg, #fff5f5 0%, #ffe3e3 100%);
    border-color: #ffcccc;
}

.calendar-day.holiday .calendar-day-status {
    background-color: #ffebee;
    color: var(--danger);
}

/* Working Day Style */
.calendar-day.working-day {
    background: linear-gradient(135deg, #f0fff4 0%, #dcfce7 100%);
    border-color: #c6f6d5;
}

.calendar-day.working-day .calendar-day-status {
    background-color: #e8f5e9;
    color: var(--success);
}


/* ---- ACTION BUTTONS: CLEAN & MODERN ---- */

.calendar-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.calendar-actions button {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 50px;
    /* Pill buttons */
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 8px;
}

.calendar-actions button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.btn-holiday {
    background-color: #fff;
    color: var(--danger);
    border: 2px solid var(--danger);
}

.btn-holiday:hover {
    background-color: var(--danger);
    color: #fff;
}

.btn-working {
    background-color: #fff;
    color: var(--success);
    border: 2px solid var(--success);
}

.btn-working:hover {
    background-color: var(--success);
    color: #fff;
}

.btn-clear {
    background-color: #fff;
    color: var(--secondary);
    border: 2px solid var(--secondary);
}

.btn-clear:hover {
    background-color: var(--secondary);
    color: #fff;
}


/* ---- RESPONSIVE MAGIC ---- */

@media (max-width: 768px) {
    #calendar {
        padding: 1.5rem;
    }

    #currentMonthYear {
        font-size: 1.5rem;
        margin: 0 1rem;
    }

    .calendar-grid {
        gap: 8px;
        /* Smaller gap on mobile */
    }

    .calendar-day {
        min-height: 80px;
        /* Shorter cells */
        padding: 8px;
        border-radius: 10px;
    }

    .calendar-day-number {
        width: 24px;
        height: 24px;
        font-size: 0.9rem;
    }

    .calendar-day-status {
        font-size: 0.6rem;
        padding: 2px 4px;
    }

    .calendar-actions {
        gap: 1rem;
    }

    .calendar-actions button {
        padding: 0.6rem 1rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .calendar-day-header {
        font-size: 0.7rem;
        /* Abbreviated headers */
    }

    .calendar-day {
        min-height: 60px;
    }

    .calendar-day-status {
        display: none;
        /* Hide status text on very small screens, use color only */
    }

    /* Use a dot for status instead */
    .calendar-day.holiday::after {
        content: '';
        display: block;
        width: 6px;
        height: 6px;
        background-color: var(--danger);
        border-radius: 50%;
        margin-top: auto;
        align-self: center;
    }

    .calendar-day.working-day::after {
        content: '';
        display: block;
        width: 6px;
        height: 6px;
        background-color: var(--success);
        border-radius: 50%;
        margin-top: auto;
        align-self: center;
    }
}

/* ---- EVENT INDICATORS & INPUT FORM ---- */

/* Event Label on Calendar Day */
.calendar-day-status {
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 4px;
    margin-top: auto;
    width: 100%;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background-color: #f0f0f0;
    /* Default background */
    color: #333;
    font-weight: 500;
}

/* Specific Event Types */
.calendar-day.meeting .calendar-day-status {
    background-color: #e3f2fd;
    color: #1976d2;
    border: 1px solid #bbdefb;
}

.calendar-day.exam .calendar-day-status {
    background-color: #fff3e0;
    color: #f57c00;
    border: 1px solid #ffe0b2;
}

.calendar-day.other .calendar-day-status {
    background-color: #f3e5f5;
    color: #7b1fa2;
    border: 1px solid #e1bee7;
}

/* Event Input Section Animation */
#event-input-section {
    animation: slideDown 0.4s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Adjustments for Events */
@media (max-width: 480px) {
    .calendar-day-status {
        font-size: 0.6rem;
        padding: 1px 3px;
    }

    /* On very small screens, maybe just show a dot color */
    .calendar-day.meeting .calendar-day-status,
    .calendar-day.exam .calendar-day-status,
    .calendar-day.other .calendar-day-status {
        text-indent: -9999px;
        /* Hide text */
        width: 6px;
        height: 6px;
        padding: 0;
        border-radius: 50%;
        margin: 0 auto;
        border: none;
    }

    .calendar-day.meeting .calendar-day-status {
        background-color: #1976d2;
    }

    .calendar-day.exam .calendar-day-status {
        background-color: #f57c00;
    }

    .calendar-day.other .calendar-day-status {
        background-color: #7b1fa2;
    }
}

/* --- ATTENDANCE NOTE BUTTON STYLES --- */

.btn-info {
    background-color: var(--info);
    color: white;
    border: none;
    transition: all 0.3s ease;
}

.btn-info:hover {
    background-color: #1976d2;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

/* Note button with note indicator */
.btn-info.has-note {
    background: linear-gradient(135deg, #2196f3 0%, #1976d2 100%);
    position: relative;
    font-weight: 600;
}

.btn-info.has-note::after {
    content: '';
    position: absolute;
    top: -4px;
    right: -4px;
    width: 10px;
    height: 10px;
    background-color: #f39c12;
    border-radius: 50%;
    border: 2px solid white;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

/* Modal styles for note modal */
#attendanceNoteModal .modal-content {
    max-width: 500px;
}

#attendanceNoteInfo {
    background: var(--light);
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

#attendanceNoteText {
    resize: vertical;
    min-height: 100px;
}

/* Mobile responsive for note button */
@media (max-width: 768px) {
    .btn-info {
        font-size: 0.85rem;
        padding: 0.4rem 0.6rem;
    }

    .btn-info.has-note::after {
        width: 8px;
        height: 8px;
        top: -3px;
        right: -3px;
    }
}

/* Logout Modal Styles */
.logout-modal-content {
    max-width: 400px;
    text-align: center;
    padding: 2rem;
    border-radius: 16px;
    background: white;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    position: relative;
}

.logout-header {
    margin-bottom: 1.5rem;
}

.logout-icon-container {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 99%, #fad0c4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 15px rgba(255, 154, 158, 0.4);
}

.logout-icon {
    font-size: 40px;
    color: #d63031;
}

.logout-header h3 {
    color: var(--dark);
    font-size: 1.5rem;
    margin: 0;
}

.logout-body {
    margin-bottom: 2rem;
}

.logout-body p {
    color: #555;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.logout-subtext {
    font-size: 0.9rem !important;
    color: #888 !important;
}

.logout-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.logout-actions .btn {
    min-width: 120px;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.logout-actions .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.logout-actions .btn-secondary {
    background: #f1f2f6;
    color: #57606f;
    border: none;
}

.logout-actions .btn-secondary:hover {
    background: #dfe4ea;
}

.logout-actions .btn-danger {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5253 100%);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(238, 82, 83, 0.4);
}

.logout-actions .btn-danger:hover {
    background: linear-gradient(135deg, #ff4757 0%, #ff6b81 100%);
}

/* ---- LOADING SPINNER STYLES ---- */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.spinner-container {
    text-align: center;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid #f3e5f5;
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spinner-text {
    color: var(--dark);
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
}