/* ═══════════════════════════════════════════
   SAYIL — Design System
   Minimalistic · Cozy · Rounded · Responsive
   ═══════════════════════════════════════════ */

/* ─── Reset & Base ─────────────────────── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2D6A4F;
    --primary-light: #40916C;
    --primary-dark: #1B4332;
    --primary-bg: #F0FFF4;

    --accent: #D4A574;
    --accent-light: #E8C9A0;

    --easy: #4ADE80;
    --easy-bg: #F0FFF4;
    --easy-text: #166534;


    --moderate: #EAB308;
    --moderate-bg: #fffbd4;
    --moderate-text: #713F12;

    --hard: #F87171;
    --hard-bg: #FFF1F2;
    --hard-text: #991B1B;

    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);

    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --transition: all 0.2s ease;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

main {
    flex: 1;
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* ─── Container ─────────────────────────── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-sm {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ─── Navbar ────────────────────────────── */
.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.95);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.navbar-brand {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 6px;
}

.navbar-brand:hover {
    color: var(--primary);
}

.brand-icon {
    font-size: 1.4rem;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    color: var(--gray-600);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

.nav-link.active {
    color: var(--primary);
    background: var(--primary-bg);
}

.nav-logout-form {
    display: inline;
}

.btn-link {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
    padding: 4px;
}

/* ─── Buttons ───────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-sm {
    padding: 6px 16px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

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

.btn-danger:hover {
    background: #EF4444;
    color: var(--white);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
    padding: 8px 12px;
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius);
}

/* ─── Cards ─────────────────────────────── */
.card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--gray-100);
}

.card-body {
    padding: 20px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.card-title a {
    color: inherit;
}

.card-title a:hover {
    color: var(--primary);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.card-meta i {
    font-size: 0.85rem;
}

.card-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.card-description {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ─── Difficulty Badges ─────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-easy {
    background: var(--easy-bg);
    color: var(--easy-text);
}

.badge-moderate {
    background: var(--moderate-bg);
    color: var(--moderate-text);
}

.badge-hard {
    background: var(--hard-bg);
    color: var(--hard-text);
}

.badge-category {
    background: var(--gray-100);
    color: var(--gray-700);
    font-weight: 500;
    text-transform: none;
}

/* ─── Stars ─────────────────────────────── */
.stars {
    display: inline-flex;
    gap: 2px;
    color: var(--accent);
}

.stars .bi-star-fill {
    color: var(--accent);
}

.stars .bi-star {
    color: var(--gray-300);
}

.star-rating {
    display: flex;
    gap: 4px;
    flex-direction: row-reverse;
    justify-content: flex-end;
}

.star-rating input {
    display: none;
}

.star-rating label {
    cursor: pointer;
    font-size: 1.6rem;
    color: var(--gray-300);
    transition: var(--transition);
}

.star-rating label:hover,
.star-rating label:hover~label,
.star-rating input:checked~label {
    color: var(--accent);
}

/* ─── Hero ──────────────────────────────── */
.hero {
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--white) 100%);
    padding: 80px 0 60px;
    text-align: center;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1.15rem;
    color: var(--gray-500);
    max-width: 520px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-200);
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 4px;
}

/* ─── Section ───────────────────────────── */
.section {
    padding: 60px 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 12px;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

/* ─── Grid ──────────────────────────────── */
.grid {
    display: grid;
    gap: 24px;
}

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

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

/* ─── Filters ───────────────────────────── */
.filters {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 6px 16px;
    border-radius: var(--radius-full);
    border: 1.5px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-600);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
    text-decoration: none;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.search-box {
    display: flex;
    gap: 8px;
    flex: 1;
    max-width: 400px;
}

.search-input {
    flex: 1;
    padding: 8px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-family: var(--font);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

/* ─── Forms ─────────────────────────────── */
.form-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 560px;
    margin: 0 auto;
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
    text-align: center;
}

.form-subtitle {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 28px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.9rem;
    color: var(--gray-800);
    outline: none;
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

.form-select {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.9rem;
    color: var(--gray-800);
    outline: none;
    transition: var(--transition);
    background: var(--white);
    cursor: pointer;
}

.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    accent-color: var(--primary);
}

.form-text {
    font-size: 0.8rem;
    color: var(--gray-400);
    margin-top: 4px;
}

.form-error {
    color: var(--hard);
    font-size: 0.8rem;
    margin-top: 4px;
}

.form-link {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--gray-500);
}

.checkbox-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.checkbox-grid label {
    display: flex;
    align-items: center;
    padding: 6px 12px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.checkbox-grid label:hover {
    border-color: var(--primary);
}

.checkbox-grid input:checked+label,
.checkbox-grid label:has(input:checked) {
    background: var(--primary-bg);
    border-color: var(--primary);
    color: var(--primary);
}

.checkbox-grid input[type="checkbox"] {
    display: none;
}

/* ─── Alerts / Messages ─────────────────── */
.alert {
    padding: 12px 20px;
    border-radius: var(--radius);
    margin: 16px 0;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideDown 0.3s ease;
}

.alert-success {
    background: var(--easy-bg);
    color: var(--easy-text);
    border: 1px solid #BBF7D0;
}

.alert-info {
    background: #EFF6FF;
    color: #1E40AF;
    border: 1px solid #BFDBFE;
}

.alert-warning {
    background: var(--moderate-bg);
    color: var(--moderate-text);
    border: 1px solid #FED7AA;
}

.alert-error,
.alert-danger {
    background: var(--hard-bg);
    color: var(--hard-text);
    border: 1px solid #FECACA;
}

.alert-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    padding: 0 4px;
}

.alert-close:hover {
    opacity: 1;
}

/* ─── Route Detail ──────────────────────── */
.detail-header {
    position: relative;
    height: 400px;
    background: var(--gray-100);
    overflow: hidden;
}

.detail-header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-header-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 0 24px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
}

.detail-header-content {
    color: var(--white);
}

.detail-header-content h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.detail-info {
    padding: 40px 0;
}

.detail-stats {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.detail-stat {
    flex: 1;
    min-width: 140px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
}

.detail-stat-icon {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.detail-stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-900);
}

.detail-stat-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 2px;
}

.detail-description {
    line-height: 1.8;
    color: var(--gray-700);
    font-size: 1rem;
    margin-bottom: 32px;
}

.detail-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

/* ─── Reviews ───────────────────────────── */
.reviews-section {
    padding: 40px 0;
    border-top: 1px solid var(--gray-100);
}

.review-card {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
}

.review-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.review-author {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.95rem;
}

.review-date {
    font-size: 0.8rem;
    color: var(--gray-400);
}

.review-comment {
    color: var(--gray-700);
    font-size: 0.9rem;
    line-height: 1.6;
}

.review-form-card {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 32px;
}

/* ─── Profile ───────────────────────────── */
.profile-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 40px;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    object-fit: cover;
    background: var(--gray-100);
}

.profile-avatar-placeholder {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
}

.profile-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.profile-bio {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-top: 4px;
}

/* ─── Empty state ───────────────────────── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-400);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
}

.empty-state p {
    font-size: 1rem;
}

/* ─── Footer ────────────────────────────── */
.footer {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    margin-top: 60px;
    padding: 40px 0 24px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}

.footer-brand {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-900);
}

.footer-text {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 8px;
    font-weight: 400;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid var(--gray-200);
    padding-top: 20px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* ─── About ─────────────────────────────── */
.about-hero {
    text-align: center;
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--white) 100%);
}

.about-hero h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.about-hero p {
    font-size: 1.05rem;
    color: var(--gray-500);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-content {
    padding: 60px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.about-card {
    text-align: center;
    padding: 32px 24px;
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.about-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.about-card-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
    display: block;
}

.about-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.about-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ─── Delete confirm ────────────────────── */
.confirm-card {
    text-align: center;
    padding: 48px 32px;
    max-width: 480px;
    margin: 60px auto;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
}

.confirm-card h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.confirm-card p {
    color: var(--gray-500);
    margin-bottom: 24px;
}

.confirm-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* ─── Image Placeholder ─────────────────── */
.img-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--gray-100) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary-light);
}

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.4s ease;
}

/* ─── Helpform errors ───────────────────── */
.helptext,
.form-text {
    font-size: 0.8rem;
    color: var(--gray-400);
    margin-top: 4px;
}

.errorlist {
    list-style: none;
    padding: 0;
    margin: 4px 0 0;
}

.errorlist li {
    color: var(--hard);
    font-size: 0.8rem;
}

/* ─── Responsive ────────────────────────── */
@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }

    .navbar-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--gray-100);
        flex-direction: column;
        padding: 16px 20px;
        gap: 4px;
        box-shadow: var(--shadow-md);
    }

    .navbar-links.open {
        display: flex;
    }

    .nav-link {
        padding: 10px 14px;
        border-radius: var(--radius);
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-stats {
        gap: 24px;
    }

    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }

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

    .detail-header {
        height: 260px;
    }

    .detail-header-content h1 {
        font-size: 1.6rem;
    }

    .detail-stats {
        gap: 12px;
    }

    .detail-stat {
        min-width: 120px;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        max-width: 100%;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-inner {
        flex-direction: column;
        gap: 24px;
    }

    .profile-header {
        flex-direction: column;
        text-align: center;
    }

    .form-card {
        padding: 24px 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 48px 0 40px;
    }

    .hero h1 {
        font-size: 1.7rem;
    }

    .section {
        padding: 40px 0;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
}