/* =====================================================
   main.css - Museum Academy Public Website
   Premium design with glassmorphism & micro-animations
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400&display=swap');

/* ===== VARIABLES ===== */
:root {
    --primary: #287D39;
    --primary-hover: #1e5a29;
    --primary-glow: rgba(40, 125, 57, 0.35);
    --accent: #F7A100;
    --accent-dark: #b87800;
    --dark: #0a0f1e;
    --dark2: #111827;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.12);
    --card-bg: rgba(17, 24, 39, 0.7);
    --nav-height: 72px;
    --section-gap: 8rem;
    --radius-lg: 20px;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow-glow: 0 0 40px rgba(40, 125, 57, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--dark);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ===== PAGE LOADER ===== */
#loader-overlay {
    position: fixed;
    inset: 0;
    background: var(--dark);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}
.loader {
    display: flex;
    gap: 6px;
}
.loader-square {
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 3px;
    animation: loaderPulse 1.2s ease-in-out infinite;
}
.loader-square:nth-child(1) { animation-delay: 0s; }
.loader-square:nth-child(2) { animation-delay: 0.1s; }
.loader-square:nth-child(3) { animation-delay: 0.2s; }
.loader-square:nth-child(4) { animation-delay: 0.3s; background: var(--accent); }
.loader-square:nth-child(5) { animation-delay: 0.4s; }
.loader-square:nth-child(6) { animation-delay: 0.5s; }
.loader-square:nth-child(7) { animation-delay: 0.6s; }
@keyframes loaderPulse {
    0%, 100% { transform: scaleY(1); opacity: 0.4; }
    50% { transform: scaleY(2.2); opacity: 1; }
}

/* ===== CONTAINER ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
@media (min-width: 1024px) { .container { padding: 0 2.5rem; } }

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    background: rgba(10, 15, 30, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(10, 15, 30, 0.92);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 0;
}
.nav-logo img {
    height: 40px;
    width: auto;
    border-radius: 10px;
    filter: brightness(1.1);
}
.nav-logo span {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.nav-links {
    display: none;
    align-items: center;
    gap: 0.25rem;
}
@media (min-width: 768px) { .nav-links { display: flex; } }
.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 0.875rem;
    border-radius: 8px;
    transition: var(--transition);
}
.nav-links a:hover {
    color: var(--white);
    background: var(--glass-bg);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}
.nav-actions a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: linear-gradient(135deg, var(--primary) 0%, #1e6b2e 100%);
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.6rem 1.25rem;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 2px 12px var(--primary-glow);
    white-space: nowrap;
}
.nav-actions a:hover {
    background: linear-gradient(135deg, #1e6b2e 0%, #154e21 100%);
    box-shadow: 0 4px 20px var(--primary-glow);
    transform: translateY(-1px);
}

/* Hamburger */
.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    cursor: pointer;
    color: var(--white);
    font-size: 1.25rem;
    transition: var(--transition);
}
.menu-toggle:hover { background: rgba(255,255,255,0.12); }
@media (min-width: 768px) { .menu-toggle { display: none; } }

/* Mobile Nav Drawer */
.mobile-nav {
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 85vw);
    height: 100%;
    background: #0d1628;
    border-left: 1px solid var(--glass-border);
    z-index: 1100;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -20px 0 60px rgba(0,0,0,0.4);
}
.mobile-nav.open { right: 0; }
#close-menu {
    align-self: flex-end;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--white);
    width: 36px; height: 36px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: var(--transition);
}
#close-menu:hover { background: rgba(255,255,255,0.1); }
.mobile-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.mobile-nav a:hover {
    color: var(--white);
    background: var(--glass-bg);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: calc(var(--nav-height) + 4rem) 1.5rem 6rem;
    overflow: hidden;
}

/* Animated mesh gradient background */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% -10%, rgba(40, 125, 57, 0.45) 0%, transparent 65%),
        radial-gradient(ellipse 60% 50% at 100% 80%, rgba(247, 161, 0, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 0% 60%, rgba(40, 125, 57, 0.12) 0%, transparent 60%);
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(40, 125, 57, 0.15);
    border: 1px solid rgba(40, 125, 57, 0.35);
    color: #6ee7a0;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}
.hero-badge::before {
    content: '';
    width: 6px; height: 6px;
    background: #6ee7a0;
    border-radius: 50%;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
    font-size: clamp(2.5rem, 7vw, 5.5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--white);
    margin-bottom: 1.5rem;
}
.hero h1 span {
    background: linear-gradient(135deg, #4ade80 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}
.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, #1e6b2e 100%);
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 20px var(--primary-glow);
}
.cta-button:hover {
    background: linear-gradient(135deg, #1e6b2e 0%, #154e21 100%);
    box-shadow: 0 8px 30px var(--primary-glow);
    transform: translateY(-2px);
}
.cta-button-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}
.cta-button-ghost:hover {
    background: var(--glass-bg);
    color: var(--white);
    border-color: rgba(255,255,255,0.25);
}

/* Scroll indicator */
.scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.scroll-hint::after {
    content: '';
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scrollLine 1.5s ease-in-out infinite;
}
@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===== STATS BAR ===== */
.stats-bar {
    background: var(--glass-bg);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    padding: 2rem 0;
    backdrop-filter: blur(10px);
}
.stats-bar .container {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}
.stat-item {
    text-align: center;
}
.stat-item .num {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.stat-item .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== SECTIONS ===== */
.section {
    padding: var(--section-gap) 0;
    position: relative;
}
.section-light {
    background: rgba(255,255,255,0.02);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}
.section-title .label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--primary);
    background: rgba(40, 125, 57, 0.12);
    border: 1px solid rgba(40, 125, 57, 0.25);
    padding: 0.3rem 0.9rem;
    border-radius: 50px;
    margin-bottom: 1rem;
}
.section-title h2 {
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--white);
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 1rem;
}
.section-title h2 span {
    background: linear-gradient(135deg, #4ade80 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-title p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto;
}

/* ===== TUTORS SWIPER ===== */
.swiper {
    width: 100%;
    padding: 1rem 0 3rem !important;
}
.swiper-slide {
    width: 300px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    transition: var(--transition);
}
.swiper-slide:hover { transform: translateY(-4px); box-shadow: 0 30px 80px rgba(0,0,0,0.4), var(--shadow-glow); }
.swiper-slide img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}
.lecturer-info {
    padding: 1.5rem;
}
.lecturer-info h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.4rem;
}
.lecturer-info p { font-size: 0.875rem; color: var(--text-muted); }
.swiper-button-next,
.swiper-button-prev {
    color: var(--primary) !important;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    width: 44px !important;
    height: 44px !important;
    border-radius: 50% !important;
    transition: var(--transition);
}
.swiper-button-next:hover,
.swiper-button-prev:hover {
    background: rgba(40,125,57,0.2);
    border-color: var(--primary);
}
.swiper-button-next::after,
.swiper-button-prev::after { font-size: 14px !important; font-weight: 900 !important; }

/* ===== CLASSES ACCORDION ===== */
.accordion-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.accordion-item {
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.accordion-item:hover { border-color: rgba(40, 125, 57, 0.35); }
.accordion-header {
    width: 100%;
    background: transparent;
    border: none;
    text-align: left;
    padding: 1.25rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    font-family: inherit;
}
.accordion-header::after {
    content: '+';
    font-size: 1.25rem;
    color: var(--primary);
    line-height: 1;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.accordion-header.active { color: #4ade80; }
.accordion-header.active::after { transform: rotate(45deg); }
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 1.5rem;
    border-top: 0px solid var(--glass-border);
}
.accordion-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.accordion-content li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    gap: 1rem;
    flex-wrap: wrap;
}
.accordion-content li:last-child { border-bottom: none; }
.class-name {
    font-weight: 600;
    color: var(--white);
    font-size: 0.95rem;
}
.teacher-name {
    font-size: 0.825rem;
    color: var(--text-muted);
    background: rgba(40, 125, 57, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    border: 1px solid rgba(40, 125, 57, 0.2);
    white-space: nowrap;
}

/* ===== TIMETABLE ===== */
.timetable-filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius);
}
.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    flex: 1;
    min-width: 160px;
}
.filter-group label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.filter-group select {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    color: var(--white);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: inherit;
    transition: var(--transition);
    cursor: pointer;
}
.filter-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(40,125,57,0.15);
}
.filter-group select option { background: #1a2333; color: var(--white); }

.timetable-container {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--glass-border);
}
.timetable-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}
.timetable-table th {
    background: rgba(40, 125, 57, 0.15);
    color: #6ee7a0;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 1rem 1.25rem;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
}
.timetable-table td {
    padding: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    vertical-align: top;
    min-width: 130px;
}
.timetable-table tr:last-child td { border-bottom: none; }
.timetable-entry {
    background: rgba(40, 125, 57, 0.1);
    border: 1px solid rgba(40, 125, 57, 0.25);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.75rem;
    margin-bottom: 0.4rem;
    transition: var(--transition);
}
.timetable-entry:hover {
    background: rgba(40, 125, 57, 0.18);
    transform: translateX(2px);
}
.timetable-entry strong {
    display: block;
    font-size: 0.82rem;
    color: var(--white);
    font-weight: 600;
    margin-bottom: 2px;
}
.timetable-entry span {
    display: block;
    font-size: 0.72rem;
    color: var(--text-muted);
}
.timetable-entry em {
    display: block;
    font-size: 0.72rem;
    color: #6ee7a0;
    font-style: normal;
    margin-top: 2px;
}
.timetable-entry.hidden { display: none; }
.no-classes-msg {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 0.5rem;
    display: none;
}

/* ===== ANNOUNCEMENTS ===== */
.announcements-list {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
    max-width: 800px;
    margin: 0 auto;
}
@media (min-width: 640px) {
    .announcements-list { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }
}
.announcement-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 1.75rem;
    border-left: 4px solid var(--accent);
    transition: var(--transition);
}
.announcement-card:hover {
    transform: translateY(-3px);
    border-color: rgba(247, 161, 0, 0.45);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}
.announcement-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.75rem;
}
.announcement-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1rem;
}
.announcement-card small {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 500;
}

/* ===== FOOTER ===== */
.footer {
    padding: 3rem 0;
    background: #06090f;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}
.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}
.footer-logo img {
    height: 36px;
    border-radius: 8px;
    filter: brightness(0.9);
}
.footer-logo span {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-muted);
}
.footer p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}
.footer-credit {
    margin-top: 0.5rem !important;
    font-size: 0.8rem !important;
    color: #475569 !important;
    letter-spacing: 0.02em;
}
.footer-credit strong {
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 0.04em;
}
.footer a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}
.footer a:hover { color: #4ade80; }

/* ===================================================
   AUTH PAGES — login.php / register.php
   =================================================== */
.auth-page {
    background: radial-gradient(ellipse 80% 70% at 50% -10%, rgba(40, 125, 57, 0.35) 0%, transparent 60%),
                linear-gradient(160deg, #07101a 0%, #0a0f1e 40%, #0d1520 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-container {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 460px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(40,125,57,0.1);
    animation: authSlideUp 0.5s cubic-bezier(0.4,0,0.2,1) both;
}
.auth-container.large {
    max-width: 680px;
}
@keyframes authSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Auth logo area */
.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    text-decoration: none;
}
.auth-logo img {
    height: 44px;
    border-radius: 10px;
}
.auth-logo span {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.02em;
}
/* Fallback for old .logo-placeholder */
.logo-placeholder {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 800;
    color: #4ade80;
    letter-spacing: -0.01em;
    margin-bottom: 1.5rem;
    padding: 0.6rem 1.2rem;
    background: rgba(40,125,57,0.1);
    border: 1px solid rgba(40,125,57,0.25);
    border-radius: 50px;
    display: inline-block;
    width: 100%;
    box-sizing: border-box;
}

.auth-container h1 {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--white);
    margin: 0 0 0.4rem;
    letter-spacing: -0.03em;
    text-align: center;
}
.auth-container h2 {
    font-size: 1rem;
    font-weight: 700;
    color: #94a3b8;
    margin: 1.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.auth-container p.sub {
    text-align: center;
    color: #64748b;
    font-size: 0.9rem;
    margin: 0 0 2rem;
}

/* Auth form groups */
.auth-container .form-group {
    margin-bottom: 1.1rem;
    position: relative;
}
.auth-container .form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.4rem;
}
.auth-container .form-group input,
.auth-container .form-group select,
.auth-container .form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1.5px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
    color: var(--white);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s;
    box-sizing: border-box;
}
.auth-container .form-group input::placeholder { color: #475569; }
.auth-container .form-group input:focus,
.auth-container .form-group select:focus,
.auth-container .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(40,125,57,0.08);
    box-shadow: 0 0 0 3px rgba(40,125,57,0.15);
    color: var(--white);
}
.auth-container .form-group select option { background: #1a2333; }
.auth-container .form-group textarea { resize: vertical; min-height: 80px; }

/* Auth form row */
.auth-container .form-row {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}
@media (min-width: 500px) {
    .auth-container .form-row { grid-template-columns: 1fr 1fr; }
}

/* Password toggle */
.password-toggle {
    position: absolute;
    right: 0.875rem;
    bottom: 0.875rem;
    cursor: pointer;
    font-size: 0.85rem;
    color: #64748b;
    user-select: none;
    transition: color 0.2s;
    line-height: 1;
}
.password-toggle:hover { color: #94a3b8; }
/* Replace emoji with SVG-based text */
.password-toggle::after { content: attr(data-label); }

/* Submit button */
.auth-container .btn,
.auth-container button[type="submit"] {
    width: 100%;
    padding: 0.9rem;
    background: linear-gradient(135deg, var(--primary) 0%, #1e6b2e 100%);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
    box-shadow: 0 4px 15px rgba(40,125,57,0.4);
    margin-top: 0.5rem;
    letter-spacing: -0.01em;
}
.auth-container .btn:hover,
.auth-container button[type="submit"]:hover {
    background: linear-gradient(135deg, #1e6b2e 0%, #154e21 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(40,125,57,0.5);
}

/* Form links */
.form-links {
    text-align: center;
    margin-top: 1.25rem;
    font-size: 0.875rem;
    color: #475569;
}
.form-links a {
    color: #4ade80;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}
.form-links a:hover { color: var(--accent); }

/* Message (success/error) */
.auth-container .message,
.auth-container p.message {
    padding: 0.875rem 1.1rem;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: 1rem;
}
.auth-container .message.success,
.auth-container p.message.success {
    background: rgba(16,185,129,0.1);
    color: #6ee7b7;
    border: 1px solid rgba(16,185,129,0.25);
}
.auth-container .message.error,
.auth-container p.message.error {
    background: rgba(239,68,68,0.1);
    color: #fca5a5;
    border: 1px solid rgba(239,68,68,0.25);
}

/* Auth Tab buttons */
.auth-container .tab-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 0.3rem;
    border-radius: 12px;
}
.auth-container .tab-btn {
    flex: 1;
    padding: 0.65rem 1rem;
    border: none;
    background: transparent;
    color: #64748b;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 9px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.auth-container .tab-btn.active,
.auth-container .tab-btn:hover {
    background: rgba(40,125,57,0.2);
    color: #4ade80;
}
.auth-container .tab-btn.active {
    background: linear-gradient(135deg, rgba(40,125,57,0.25) 0%, rgba(30,107,46,0.25) 100%);
    color: #4ade80;
    box-shadow: 0 2px 8px rgba(40,125,57,0.2);
}

/* Password strength bar */
.strength-bar {
    height: 3px;
    border-radius: 2px;
    background-color: #ef4444;
    width: 0%;
    transition: width 0.3s ease, background-color 0.3s ease;
    margin-top: 0.4rem;
}

/* Checklist */
.checklist {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.checklist li {
    font-size: 0.82rem;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.2s;
}
.checklist li::before {
    content: "○";
    font-weight: 700;
    color: #475569;
    transition: all 0.2s;
}
.checklist li.valid { color: #4ade80; }
.checklist li.valid::before { content: "✓"; color: #4ade80; }