@import url('https://fonts.googleapis.com/css2?family=Patrick+Hand&display=swap');

:root {
    --primary-color: #667eea;
    --primary-dark: #5568d3;
    --secondary-color: #764ba2;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --danger-color: #ef4444;
    --accent-yellow: rgb(241, 241, 130);
    --accent-yellow-bright: rgb(235, 255, 59);
    --background-color: #f8f9ff;
    --card-background: #ffffff;
    --text-primary: rgb(0, 2, 65);
    --text-secondary: #64748b;
    --border-color: rgb(0, 2, 65);
    --shadow: 4px 4px 0px rgb(0, 2, 65);
    --shadow-hover: 6px 6px 0px rgb(0, 2, 65);
    --shadow-sm: 2px 2px 0px rgb(0, 2, 65);
    --font-playful: 'Patrick Hand', 'Comic Sans MS', cursive;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-playful);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    animation: pageLoad 0.3s ease-out;
}

@keyframes pageLoad {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(13deg, rgba(0,165,255,0.93), rgba(114,226,47,0.54));
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../assets/noise.svg');
    background-size: 200px 200px;
    opacity: 0.15;
    z-index: -1;
}

/* Typography - Playful Style */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
    font-family: var(--font-playful);
    color: var(--text-primary);
    text-shadow: 2px 2px 0px rgba(255, 255, 255, 0.3);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

/* Layout - Playful Container */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
    border: 3px solid var(--border-color);
}

/* Login Page Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-card {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
}

.login-card h1 {
    text-align: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.login-card h2 {
    text-align: center;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 3px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: white;
    font-family: var(--font-playful);
    box-shadow: var(--shadow-sm);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    transform: translateY(-1px);
    box-shadow: 3px 3px 0px var(--border-color);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
    background-color: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled {
    background-color: var(--background-color);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Button Styles - Playful Design */
.btn {
    padding: 0.75rem 1.5rem;
    border: 3px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    font-family: var(--font-playful);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow);
}

.btn:active {
    transform: translateY(0px) scale(0.98);
    box-shadow: 1px 1px 0px var(--border-color);
    transition: all 0.1s ease;
}

.btn-primary {
    background-color: var(--accent-yellow-bright);
    color: var(--text-primary);
}

.btn-primary:hover {
    background-color: rgb(255, 255, 100);
}

.btn-secondary {
    background-color: #e0e7ff;
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: #c7d2fe;
}

.btn-success {
    background-color: #d1fae5;
    color: var(--text-primary);
    border-color: var(--success-color);
}

.btn-success:hover {
    background-color: #a7f3d0;
}

.btn-danger {
    background-color: #fee2e2;
    color: var(--text-primary);
    border-color: var(--error-color);
}

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

.btn--loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn--loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

/* Error Message */
.error-message {
    color: var(--error-color);
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: #fee;
    border: 1px solid var(--error-color);
    border-radius: 4px;
    text-align: center;
    display: none;
}

.error-message.show {
    display: block;
}

.error-text {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--error-color);
}

.form-actions {
    margin-top: 1.5rem;
}

.form-footer {
    margin-top: 1rem;
    text-align: center;
}

.link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
}

.link:hover {
    text-decoration: underline;
}

.success-message {
    color: var(--success-color);
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: #d1fae5;
    border: 1px solid var(--success-color);
    border-radius: 4px;
    text-align: center;
    display: none;
}

.success-message.show {
    display: block;
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

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

/* Loading Spinner - Playful Animated Loader */
.pl {
    width: 6em;
    height: 6em;
    display: inline-block;
}

.pl__ring {
    animation: ringA 2s linear infinite;
}

.pl__ring--a {
    stroke: var(--border-color);
}

.pl__ring--b {
    animation-name: ringB;
    stroke: #7e7e7e;
}

.pl__ring--c {
    animation-name: ringC;
    stroke: #686868;
}

.pl__ring--d {
    animation-name: ringD;
    stroke: var(--border-color);
}

/* Small loader for buttons */
.loader {
    display: inline-block;
    width: 2em;
    height: 2em;
}

.loader .pl {
    width: 2em;
    height: 2em;
}

/* Medium loader for cards */
.loader--medium {
    width: 4em;
    height: 4em;
}

.loader--medium .pl {
    width: 4em;
    height: 4em;
}

/* Large loader for full page */
.loader--large {
    width: 8em;
    height: 8em;
}

.loader--large .pl {
    width: 8em;
    height: 8em;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Ring Animations */
@keyframes ringA {
    from, 4% {
        stroke-dasharray: 0 660;
        stroke-width: 20;
        stroke-dashoffset: -330;
    }
    12% {
        stroke-dasharray: 60 600;
        stroke-width: 30;
        stroke-dashoffset: -335;
    }
    32% {
        stroke-dasharray: 60 600;
        stroke-width: 30;
        stroke-dashoffset: -595;
    }
    40%, 54% {
        stroke-dasharray: 0 660;
        stroke-width: 20;
        stroke-dashoffset: -660;
    }
    62% {
        stroke-dasharray: 60 600;
        stroke-width: 30;
        stroke-dashoffset: -665;
    }
    82% {
        stroke-dasharray: 60 600;
        stroke-width: 30;
        stroke-dashoffset: -925;
    }
    90%, to {
        stroke-dasharray: 0 660;
        stroke-width: 20;
        stroke-dashoffset: -990;
    }
}

@keyframes ringB {
    from, 12% {
        stroke-dasharray: 0 220;
        stroke-width: 20;
        stroke-dashoffset: -110;
    }
    20% {
        stroke-dasharray: 20 200;
        stroke-width: 30;
        stroke-dashoffset: -115;
    }
    40% {
        stroke-dasharray: 20 200;
        stroke-width: 30;
        stroke-dashoffset: -195;
    }
    48%, 62% {
        stroke-dasharray: 0 220;
        stroke-width: 20;
        stroke-dashoffset: -220;
    }
    70% {
        stroke-dasharray: 20 200;
        stroke-width: 30;
        stroke-dashoffset: -225;
    }
    90% {
        stroke-dasharray: 20 200;
        stroke-width: 30;
        stroke-dashoffset: -305;
    }
    98%, to {
        stroke-dasharray: 0 220;
        stroke-width: 20;
        stroke-dashoffset: -330;
    }
}

@keyframes ringC {
    from {
        stroke-dasharray: 0 440;
        stroke-width: 20;
        stroke-dashoffset: 0;
    }
    8% {
        stroke-dasharray: 40 400;
        stroke-width: 30;
        stroke-dashoffset: -5;
    }
    28% {
        stroke-dasharray: 40 400;
        stroke-width: 30;
        stroke-dashoffset: -175;
    }
    36%, 58% {
        stroke-dasharray: 0 440;
        stroke-width: 20;
        stroke-dashoffset: -220;
    }
    66% {
        stroke-dasharray: 40 400;
        stroke-width: 30;
        stroke-dashoffset: -225;
    }
    86% {
        stroke-dasharray: 40 400;
        stroke-width: 30;
        stroke-dashoffset: -395;
    }
    94%, to {
        stroke-dasharray: 0 440;
        stroke-width: 20;
        stroke-dashoffset: -440;
    }
}

@keyframes ringD {
    from, 8% {
        stroke-dasharray: 0 440;
        stroke-width: 20;
        stroke-dashoffset: 0;
    }
    16% {
        stroke-dasharray: 40 400;
        stroke-width: 30;
        stroke-dashoffset: -5;
    }
    36% {
        stroke-dasharray: 40 400;
        stroke-width: 30;
        stroke-dashoffset: -175;
    }
    44%, 50% {
        stroke-dasharray: 0 440;
        stroke-width: 20;
        stroke-dashoffset: -220;
    }
    58% {
        stroke-dasharray: 40 400;
        stroke-width: 30;
        stroke-dashoffset: -225;
    }
    78% {
        stroke-dasharray: 40 400;
        stroke-width: 30;
        stroke-dashoffset: -395;
    }
    86%, to {
        stroke-dasharray: 0 440;
        stroke-width: 20;
        stroke-dashoffset: -440;
    }
}

/* Grid Layout */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-1 {
    gap: 0.5rem;
}

.gap-2 {
    gap: 1rem;
}

.gap-3 {
    gap: 1.5rem;
}

/* Card Styles - Playful Design */
.card {
    background: var(--card-background);
    border-radius: 15px;
    box-shadow: var(--shadow);
    border: 3px solid var(--border-color);
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    animation: fadeInUp 0.4s ease-out;
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px) scale(1.01);
}

.card__header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card__body {
    margin-bottom: 1rem;
}

.card__footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Table Styles - Playful Design */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--card-background);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 3px solid var(--border-color);
}

.table thead {
    background-color: var(--accent-yellow);
}

.table th {
    padding: 1rem;
    text-align: left;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 3px solid var(--border-color);
    font-family: var(--font-playful);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 1rem;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-playful);
}

.table tbody tr:hover {
    background-color: rgba(241, 241, 130, 0.2);
    transform: scale(1.01);
    transition: all 0.2s ease;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.no-data {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal--show {
    display: flex;
}

.modal__content {
    background: var(--card-background);
    border-radius: 8px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

.modal__header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.modal__close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.modal__close:hover {
    background-color: var(--background-color);
}

.modal__body {
    padding: 1.5rem;
}

.modal__footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Confirmation Dialog */
.confirm-dialog {
    max-width: 400px;
}

.confirm-dialog__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.confirm-dialog__icon--warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.confirm-dialog__icon--danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

.confirm-dialog__icon--info {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

.confirm-dialog__message {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.confirm-dialog__actions {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.confirm-dialog__actions .btn {
    min-width: 100px;
}

/* Auto-save Indicator */
.autosave-indicator {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    background: var(--card-background);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.autosave-indicator--show {
    opacity: 1;
    transform: translateY(0);
}

.autosave-indicator__icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.autosave-indicator__icon--saving {
    color: var(--warning-color);
}

.autosave-indicator__icon--saved {
    color: var(--success-color);
}

.autosave-indicator__icon--error {
    color: var(--error-color);
}

.autosave-indicator__text {
    font-size: 0.875rem;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .autosave-indicator {
        left: 1rem;
        bottom: 1rem;
    }
}

/* Toast Notification Styles */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--card-background);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    z-index: 2000;
    min-width: 300px;
    max-width: 500px;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease;
}

.toast--show {
    opacity: 1;
    transform: translateX(0);
}

.toast--success {
    border-left: 4px solid var(--success-color);
    color: var(--success-color);
}

.toast--error {
    border-left: 4px solid var(--error-color);
    color: var(--error-color);
}

.toast--warning {
    border-left: 4px solid var(--warning-color);
    color: var(--warning-color);
}

.toast--info {
    border-left: 4px solid var(--primary-color);
    color: var(--primary-color);
}

/* Spinner Container Styles */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.spinner-container--inline {
    padding: 1rem;
}

.spinner-container--fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    z-index: 9999;
    backdrop-filter: blur(5px);
}

/* Skeleton Loading Styles */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--border-color) 0%,
        #f0f0f0 50%,
        var(--border-color) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

.skeleton--text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton--title {
    height: 1.5rem;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton--card {
    height: 150px;
    border-radius: 8px;
}

.skeleton--circle {
    border-radius: 50%;
    width: 48px;
    height: 48px;
}

.skeleton--button {
    height: 40px;
    width: 120px;
    border-radius: 4px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Page Transition Styles */
.page-transition {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Dashboard Content Animations */
.dashboard-header {
    animation: slideDown 0.4s ease-out;
}

.evaluation-period-card {
    animation: slideDown 0.5s ease-out;
}

.teachers-section {
    animation: slideDown 0.6s ease-out;
}

.card {
    animation: fadeInUp 0.4s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger animation for multiple cards */
.teacher-card:nth-child(1) {
    animation-delay: 0.1s;
}

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

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

.teacher-card:nth-child(4) {
    animation-delay: 0.4s;
}

.teacher-card:nth-child(5) {
    animation-delay: 0.5s;
}

/* Nav cards stagger */
.nav-card:nth-child(1) {
    animation-delay: 0.1s;
}

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

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

.nav-card:nth-child(4) {
    animation-delay: 0.4s;
}

/* Loading Overlay */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    border-radius: inherit;
}

.loading-overlay--hidden {
    display: none;
}

/* Input Error State */
.input--error {
    border-color: var(--error-color) !important;
}

.error-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Badge Styles - Playful Design */
.badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    font-family: var(--font-playful);
    border: 2px solid var(--border-color);
    box-shadow: 2px 2px 0px var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge--primary {
    background-color: #ddd6fe;
    color: var(--primary-color);
}

.badge--success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge--warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge--error {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Utility Classes */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-error { color: var(--error-color); }
.text-warning { color: var(--warning-color); }

.font-bold { font-weight: 600; }
.font-normal { font-weight: 400; }

.rounded { border-radius: 4px; }
.rounded-lg { border-radius: 8px; }
.rounded-full { border-radius: 9999px; }

.shadow { box-shadow: var(--shadow); }

/* Table Wrapper for Horizontal Scrolling */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 1rem;
}

.table-wrapper .table {
    min-width: 600px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 1.5rem;
    }
    
    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.125rem; }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: 0.75rem 0.5rem;
    }
    
    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        min-width: auto;
    }
    
    .modal__content {
        width: 95%;
        max-height: 85vh;
    }
    
    .modal__header,
    .modal__body,
    .modal__footer {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
    }
    
    .card {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0.75rem;
    }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.125rem; }
    h3 { font-size: 1rem; }
    
    .login-card {
        padding: 1.5rem;
    }
    
    .card {
        padding: 0.75rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .modal__content {
        width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
}

.input--error {
    border-color: var(--error-color) !important;
    background-color: #fef2f2;
}

.input--error:focus {
    outline-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.input--success {
    border-color: var(--success-color) !important;
    background-color: #f0fdf4;
}

.input--success:focus {
    outline-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group--error label {
    color: var(--error-color);
}

.form-group--success label {
    color: var(--success-color);
}

.validation-icon {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

.validation-icon--success {
    color: var(--success-color);
}

.validation-icon--error {
    color: var(--error-color);
}

.form-group {
    position: relative;
}

.error-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.success-message {
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.password-strength {
    margin-top: 0.25rem;
    font-size: 0.875rem;
}

.password-strength--weak {
    color: var(--error-color);
}

.password-strength--medium {
    color: var(--warning-color);
}

.password-strength--strong {
    color: var(--success-color);
}

/* Navigation Styles - Playful Design */
.navbar {
    background: var(--accent-yellow);
    box-shadow: var(--shadow);
    border-bottom: 3px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: white;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-right: 0.75rem;
}

.btn-icon:hover {
    background: var(--accent-yellow-bright);
    transform: translateY(-1px);
    box-shadow: 2px 2px 0px var(--border-color);
}

.btn-icon i {
    font-size: 1.25rem;
    line-height: 1;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    margin-right: 0.75rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-back i {
    font-size: 1rem;
}

.navbar__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.student-navbar .navbar__container {
    padding: 0.75rem 1rem;
}

.student-navbar .navbar__brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 0;
}

.student-navbar .navbar__brand h2 {
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.navbar__brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar__brand h2 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.25rem;
}

.navbar__menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.navbar__link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-family: var(--font-playful);
}

.navbar__link:hover {
    background-color: var(--accent-yellow-bright);
    transform: translateY(-2px);
    box-shadow: 2px 2px 0px var(--border-color);
}

.navbar__link--active {
    background-color: var(--accent-yellow-bright);
    border: 2px solid var(--border-color);
    box-shadow: 2px 2px 0px var(--border-color);
}

.navbar__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text-primary);
}

.navbar__toggle-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: currentColor;
    position: relative;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.navbar__toggle-icon::before,
.navbar__toggle-icon::after {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background-color: currentColor;
    position: absolute;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), top 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar__toggle-icon::before {
    top: -8px;
}

.navbar__toggle-icon::after {
    top: 8px;
}

.navbar__toggle--active .navbar__toggle-icon {
    background-color: transparent;
    transform: rotate(180deg);
}

.navbar__toggle--active .navbar__toggle-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.navbar__toggle--active .navbar__toggle-icon::after {
    transform: rotate(-45deg);
    top: 0;
}

@media (max-width: 768px) {
    .navbar__container {
        padding: 1rem;
    }
    
    .navbar__toggle {
        display: block;
        transition: transform 0.3s ease;
    }
    
    .navbar__toggle--active {
        transform: rotate(90deg);
    }
    
    .navbar__menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--card-background);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                    padding 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                    box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                    opacity 0.3s ease;
        border-bottom: 3px solid var(--border-color);
        display: flex;
        opacity: 0;
        transform-origin: top;
    }
    
    .navbar__menu--open {
        max-height: 500px;
        padding: 1rem;
        opacity: 1;
        box-shadow: var(--shadow);
    }
    
    .navbar__link {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--border-color);
        opacity: 0;
        transform: translateX(-10px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }
    
    .navbar__menu--open .navbar__link {
        opacity: 1;
        transform: translateX(0);
    }
    
    .navbar__menu--open .navbar__link:nth-child(1) {
        transition-delay: 0.1s;
    }
    
    .navbar__menu--open .navbar__link:nth-child(2) {
        transition-delay: 0.15s;
    }
    
    .navbar__menu--open .navbar__link:nth-child(3) {
        transition-delay: 0.2s;
    }
    
    .navbar__link:last-child {
        border-bottom: none;
    }
    
    .navbar__menu .btn {
        width: 100%;
        margin-top: 0.5rem;
        opacity: 0;
        transform: translateY(10px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }
    
    .navbar__menu--open .btn {
        opacity: 1;
        transform: translateY(0);
        transition-delay: 0.25s;
    }
}

/* Dashboard Page Styles */
.dashboard-page {
    min-height: 100vh;
    position: relative;
}

.dashboard-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background: var(--accent-yellow);
    border-radius: 15px;
    border: 3px solid var(--border-color);
    box-shadow: var(--shadow);
}

.dashboard-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.dashboard-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.section-header h2 {
    font-size: 1.75rem;
    color: var(--text-primary);
}

.link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
    font-family: var(--font-playful);
    transition: all 0.3s ease;
}

.link:hover {
    color: var(--primary-dark);
    transform: translateX(5px);
}

/* Stat Cards */
.stat-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.stat-icon--primary {
    background-color: #ddd6fe;
}

.stat-icon--success {
    background-color: #d1fae5;
}

.stat-icon--warning {
    background-color: #fef3c7;
}

.stat-icon--info {
    background-color: #dbeafe;
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-playful);
}

.stat-value--small {
    font-size: 1.25rem;
}

/* Nav Cards */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.nav-card {
    display: block;
    padding: 1.5rem;
    background: white;
    border-radius: 15px;
    border: 3px solid var(--border-color);
    box-shadow: var(--shadow);
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.nav-card__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    border: 3px solid rgba(0, 2, 61, 0.3);
    box-shadow: var(--shadow-sm);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-card__icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--primary-color);
    opacity: 0.8;
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-card:hover .nav-card__icon {
    transform: rotate(10deg) scale(1.1);
    box-shadow: var(--shadow);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.25), rgba(118, 75, 162, 0.25));
    border-color: rgba(0, 2, 65, 0.5);
}

.nav-card:hover .nav-card__icon svg {
    opacity: 1;
    stroke: var(--primary-dark);
}

.nav-card h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.nav-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* Admin Header */
.admin-header {
    background: var(--accent-yellow);
    border-bottom: 3px solid var(--border-color);
    padding: 1.5rem 0;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.admin-header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

.admin-header .container {
    background: transparent;
    border: none;
    box-shadow: none;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Enhanced Input Styles */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 0.875rem 1.125rem;
    border: 3px solid var(--border-color);
    border-radius: 10px;
    font-size: 1.125rem;
    font-family: var(--font-playful);
    transition: all 0.3s ease;
    background: white;
    box-shadow: var(--shadow-sm);
    line-height: 1.5;
}

input[type="password"] {
    font-size: 1.25rem;
    letter-spacing: 3px;
    font-family: monospace;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--border-color);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

/* Enhanced Badge Styles */
.badge {
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 600;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.badge-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
}

.badge-secondary {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    color: white;
}

.badge-info {
    background: linear-gradient(135deg, var(--info-color), var(--info-light));
    color: white;
}

.badge-success {
    background: linear-gradient(135deg, var(--success-color), var(--success-light));
    color: white;
}

.badge-warning {
    background: linear-gradient(135deg, var(--warning-color), var(--warning-light));
    color: white;
}

.badge-danger {
    background: linear-gradient(135deg, var(--error-color), var(--error-light));
    color: white;
}

/* Enhanced Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--background-secondary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-color));
}

/* Bootstrap Integration & Overrides */
.container {
    max-width: 1320px;
}

.row {
    margin-left: -12px;
    margin-right: -12px;
}

.col, [class*="col-"] {
    padding-left: 12px;
    padding-right: 12px;
}

/* Bootstrap Button Overrides */
.btn.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
}

.btn.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    border: none;
}

.btn.btn-success {
    background: linear-gradient(135deg, var(--success-color), var(--success-light));
    border: none;
}

.btn.btn-danger {
    background: linear-gradient(135deg, var(--error-color), var(--error-light));
    border: none;
}

.btn.btn-info {
    background: linear-gradient(135deg, var(--info-color), var(--info-light));
    border: none;
}

/* Bootstrap Card Overrides */
.card.bootstrap-card {
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.card.bootstrap-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

/* Bootstrap Badge Overrides */
.badge.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light)) !important;
}

.badge.bg-secondary {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light)) !important;
}

.badge.bg-success {
    background: linear-gradient(135deg, var(--success-color), var(--success-light)) !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, var(--error-color), var(--error-light)) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, var(--warning-color), var(--warning-light)) !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, var(--info-color), var(--info-light)) !important;
}

/* Bootstrap Table Overrides */
.table {
    font-family: var(--font-primary);
}

.table tbody tr:hover {
    background: rgba(241, 241, 130, 0.3);
}

/* Responsive Grid Utilities */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .grid-2 {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
}