/* ========================================
   杭州惠立双语学校 - 校园之星评选 样式表
   ======================================== */

/* --- CSS Variables --- */
:root {
    --color-primary: #1a3a5c;
    --color-primary-dark: #0f2440;
    --color-primary-light: #2c5282;
    --color-accent: #c5a55a;
    --color-accent-light: #e4d5a8;
    --color-accent-dark: #a8883a;
    --color-gold: #d4a853;
    --color-vote: #e85d3a;
    --color-vote-hover: #c74a2c;
    --color-bg: #f9f7f2;
    --color-bg-white: #ffffff;
    --color-bg-light: #f5f0e8;
    --color-text: #2d2d2d;
    --color-text-light: #6b6b6b;
    --color-text-muted: #999999;
    --color-border: #e8e0d0;
    --color-success: #2e7d32;
    --color-shadow: rgba(26, 58, 92, 0.08);
    --color-shadow-lg: rgba(26, 58, 92, 0.15);
    --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', serif;
    --font-body: 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
    --header-height: 72px;
    --max-width: 1280px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; font-family: inherit; }

/* --- Section Common --- */
.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    color: var(--color-primary);
    margin-bottom: 16px;
    font-weight: 400;
}

.section-divider {
    width: 60px;
    height: 2px;
    background: var(--color-accent);
    margin: 0 auto;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--color-text-light);
    margin-top: 16px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   Header
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
    height: var(--header-height);
}

.site-header.scrolled {
    box-shadow: 0 2px 20px var(--color-shadow);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.logo-img {
    height: 44px;
    width: auto;
}

.school-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 600;
    white-space: nowrap;
    letter-spacing: 1px;
}

/* --- Nav --- */
.main-nav { flex: 1; display: flex; justify-content: center; }

.nav-list {
    display: flex;
    gap: 6px;
}

.nav-list a {
    display: block;
    padding: 8px 18px;
    font-size: 0.92rem;
    color: var(--color-text);
    border-radius: 6px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-list a:hover {
    color: var(--color-primary);
    background: var(--color-bg-light);
}

.nav-vote-btn {
    background: linear-gradient(135deg, var(--color-vote), #f06a4a) !important;
    color: #fff !important;
    font-weight: 700 !important;
    padding: 8px 20px !important;
    border-radius: 24px !important;
    animation: pulse-vote 2s ease-in-out infinite;
}

.nav-vote-btn:hover {
    background: linear-gradient(135deg, var(--color-vote-hover), #e55a3a) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(232, 93, 58, 0.4);
}

@keyframes pulse-vote {
    0%, 100% { box-shadow: 0 0 0 0 rgba(232, 93, 58, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(232, 93, 58, 0); }
}

.lang-switch a {
    font-size: 0.85rem;
    color: var(--color-text-light);
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: var(--transition);
}
.lang-switch a:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* --- Mobile Menu Btn --- */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    padding: 4px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile Nav Overlay --- */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.mobile-nav-overlay.active { opacity: 1; visibility: visible; }

.mobile-nav-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 75%;
    max-width: 320px;
    height: 100%;
    background: white;
    padding: 80px 28px 28px;
    transform: translateX(100%);
    transition: var(--transition);
}

.mobile-nav-overlay.active .mobile-nav-content {
    transform: translateX(0);
}

.mobile-nav-close {
    position: absolute;
    top: 18px;
    right: 18px;
    font-size: 2rem;
    background: none;
    color: var(--color-text);
    line-height: 1;
}

.mobile-nav-list { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-list a {
    display: block;
    padding: 14px 16px;
    font-size: 1.05rem;
    border-radius: 8px;
    transition: var(--transition);
}
.mobile-nav-list a:hover { background: var(--color-bg-light); }
.mobile-vote-btn {
    background: linear-gradient(135deg, var(--color-vote), #f06a4a) !important;
    color: #fff !important;
    text-align: center;
    border-radius: 12px !important;
    font-weight: 700 !important;
}

/* ========================================
   Hero Voting Section
   ======================================== */
.hero-voting {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-height);
    background: 
        linear-gradient(170deg, rgba(26, 58, 92, 0.06) 0%, rgba(26, 58, 92, 0.02) 40%, rgba(197, 165, 90, 0.05) 100%),
        radial-gradient(ellipse at 30% 20%, rgba(197, 165, 90, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 60%, rgba(26, 58, 92, 0.06) 0%, transparent 60%),
        var(--color-bg);
    overflow: hidden;
}

.hero-voting::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border: 1px solid var(--color-accent-light);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -20px) rotate(5deg); }
    66% { transform: translate(-20px, 10px) rotate(-3deg); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 40px 24px;
    max-width: 700px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-accent);
    font-weight: 400;
    letter-spacing: 4px;
    margin-bottom: 8px;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
    letter-spacing: 3px;
}

.hero-school {
    font-family: var(--font-heading);
    font-size: 3.6rem;
    color: var(--color-primary);
    font-weight: 700;
    margin: 8px 0 4px;
    letter-spacing: 6px;
}

.hero-motto {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-accent-dark);
    letter-spacing: 8px;
    margin-bottom: 50px;
}

/* --- Voting CTA Card --- */
.voting-cta-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    box-shadow: 0 8px 40px var(--color-shadow-lg), 0 2px 8px var(--color-shadow);
    border: 1px solid var(--color-border);
    position: relative;
    transition: var(--transition);
    animation: card-enter 0.8s ease-out;
}

@keyframes card-enter {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.voting-cta-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 60px var(--color-shadow-lg);
}

.voting-cta-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-vote), #f06a4a);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 6px 22px;
    border-radius: 20px;
    white-space: nowrap;
    letter-spacing: 1px;
    animation: badge-pulse 1.5s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(232, 93, 58, 0.5); }
    50% { box-shadow: 0 0 0 10px rgba(232, 93, 58, 0); }
}

.voting-cta-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--color-primary);
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.voting-cta-desc {
    color: var(--color-text-light);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 28px;
}

.voting-cta-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 32px;
    padding: 20px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 1px;
}

.voting-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--color-vote), #f06a4a);
    color: #fff;
    font-size: 1.15rem;
    font-weight: 700;
    padding: 16px 48px;
    border-radius: 50px;
    letter-spacing: 1px;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(232, 93, 58, 0.35);
}

.voting-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(232, 93, 58, 0.5);
}

.voting-cta-btn:active {
    transform: translateY(0);
}

.btn-icon { font-size: 1.3rem; }

/* Hero Scroll Hint */
.hero-scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    letter-spacing: 3px;
    animation: scroll-hint 2s ease-in-out infinite;
}

.scroll-arrow {
    font-size: 1.2rem;
    margin-top: 4px;
}

@keyframes scroll-hint {
    0%, 100% { opacity: 0.5; transform: translateX(-50%) translateY(0); }
    50% { opacity: 1; transform: translateX(-50%) translateY(8px); }
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    background: var(--color-bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.about-card {
    text-align: center;
    padding: 40px 28px;
    border-radius: var(--radius-lg);
    background: var(--color-bg);
    border: 1px solid transparent;
    transition: var(--transition);
}

.about-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 30px var(--color-shadow);
    transform: translateY(-4px);
}

.about-card-icon {
    font-size: 2.8rem;
    margin-bottom: 16px;
}

.about-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.about-card p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   Vote Section - Class Selection
   ======================================== */
.vote-section {
    background: var(--color-bg);
}

.class-selection-title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-bottom: 28px;
    letter-spacing: 2px;
}

/* Grade Tabs */
.grade-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 36px;
}

.grade-tab {
    padding: 10px 24px;
    font-size: 0.95rem;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: 30px;
    color: var(--color-text);
    transition: var(--transition);
    white-space: nowrap;
}

.grade-tab:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-dark);
}

.grade-tab.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    font-weight: 600;
}

/* Class Cards */
.class-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 500px;
    margin: 0 auto;
}

.class-card {
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.class-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    transform: scaleX(0);
    transition: var(--transition);
}

.class-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 30px var(--color-shadow);
    transform: translateY(-3px);
}

.class-card:hover::before {
    transform: scaleX(1);
}

.class-card-icon {
    font-size: 2.6rem;
    margin-bottom: 10px;
}

.class-card-name {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-primary);
    letter-spacing: 2px;
}

.class-card-total {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 6px;
}

/* ========================================
   Student Voting Grid
   ======================================== */
.student-voting-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: 25px;
    color: var(--color-text);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.current-class-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-primary);
    letter-spacing: 2px;
}

.student-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* Student Card */
.student-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 22px 16px;
    text-align: center;
    border: 2px solid var(--color-border);
    transition: var(--transition);
    position: relative;
}

.student-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 6px 24px var(--color-shadow);
    transform: translateY(-2px);
}

.student-card.voted {
    border-color: var(--color-accent);
    background: linear-gradient(180deg, rgba(197, 165, 90, 0.05) 0%, white 100%);
}

.student-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent-light), var(--color-bg-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin: 0 auto 12px;
    border: 3px solid var(--color-border);
}

.student-card.voted .student-avatar {
    border-color: var(--color-accent);
}

.student-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.student-votes {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-bottom: 14px;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.student-votes strong {
    font-size: 1.2rem;
    color: var(--color-vote);
    font-family: var(--font-heading);
}

.vote-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 22px;
    background: linear-gradient(135deg, var(--color-vote), #f06a4a);
    color: #fff;
    border-radius: 20px;
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(232, 93, 58, 0.3);
}

.vote-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(232, 93, 58, 0.45);
}

.vote-btn:active {
    transform: scale(0.96);
}

.vote-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* ========================================
   News Section
   ======================================== */
.news-section {
    background: var(--color-bg-white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.news-card {
    display: block;
    padding: 30px 26px;
    border-radius: var(--radius-md);
    background: var(--color-bg);
    border: 1px solid transparent;
    transition: var(--transition);
}

.news-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 30px var(--color-shadow);
    transform: translateY(-3px);
}

.news-date {
    font-size: 0.82rem;
    color: var(--color-accent);
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.news-card h3 {
    font-size: 1.05rem;
    color: var(--color-primary);
    line-height: 1.6;
    margin-bottom: 14px;
    font-weight: 500;
}

.news-more {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.news-card:hover .news-more {
    color: var(--color-accent-dark);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.85);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 56px 24px 24px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 14px;
    filter: brightness(1.2);
}

.footer-tagline {
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-contact h4,
.footer-links h4 {
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    font-size: 0.9rem;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links a:hover { opacity: 1; }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.5;
}

/* ========================================
   Toast
   ======================================== */
.toast {
    position: fixed;
    top: 90px;
    left: 50%;
    transform: translateX(-50%) translateY(-120px);
    background: white;
    padding: 14px 28px;
    border-radius: 30px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    z-index: 2000;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

.toast-icon { font-size: 1.2rem; }
.toast-msg { color: var(--color-text); }

/* ========================================
   Limit Toast
   ======================================== */
.toast.limit {
    border: 2px solid #ff9800;
}

/* ========================================
   Responsive - Tablet & Small Desktop
   ======================================== */
@media (max-width: 1024px) {
    .main-nav { display: none; }
    .lang-switch { display: none; }
    .mobile-menu-btn { display: flex; }

    .hero-school { font-size: 2.8rem; letter-spacing: 4px; }
    .voting-cta-card { padding: 32px 24px; }
    .voting-cta-title { font-size: 1.8rem; }
    .voting-cta-stats { gap: 24px; }

    .about-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .news-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }

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

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

/* ========================================
   Responsive - Mobile
   ======================================== */
@media (max-width: 768px) {
    :root { --header-height: 60px; }

    .section-container { padding: 56px 16px; }
    .section-title { font-size: 1.8rem; }

    /* Header */
    .logo-img { height: 32px; }
    .school-name { font-size: 0.85rem; letter-spacing: 0; }

    /* Hero */
    .hero-title { font-size: 1.1rem; letter-spacing: 2px; }
    .hero-subtitle { font-size: 0.85rem; letter-spacing: 1px; }
    .hero-school { font-size: 2.2rem; letter-spacing: 3px; }
    .hero-motto { font-size: 1rem; letter-spacing: 4px; margin-bottom: 36px; }

    .voting-cta-card {
        padding: 28px 18px;
        border-radius: var(--radius-lg);
    }
    .voting-cta-badge { font-size: 0.75rem; padding: 5px 16px; }
    .voting-cta-title { font-size: 1.4rem; }
    .voting-cta-desc { font-size: 0.88rem; line-height: 1.6; }
    .voting-cta-stats { gap: 16px; }
    .stat-number { font-size: 1.5rem; }
    .stat-label { font-size: 0.7rem; }
    .voting-cta-btn { font-size: 1rem; padding: 14px 36px; }

    /* Grade Tabs */
    .grade-tabs { gap: 6px; margin-bottom: 24px; }
    .grade-tab { padding: 8px 14px; font-size: 0.8rem; }

    /* Class Cards */
    .class-cards { grid-template-columns: repeat(2, 1fr); gap: 12px; max-width: 100%; }
    .class-card { padding: 20px 14px; }

    /* Student Grid */
    .student-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .student-card { padding: 16px 10px; }
    .student-avatar { width: 48px; height: 48px; font-size: 1.3rem; }
    .student-name { font-size: 0.9rem; }
    .student-votes strong { font-size: 1rem; }
    .vote-btn { padding: 6px 16px; font-size: 0.8rem; }

    .student-voting-header { gap: 12px; }
    .current-class-title { font-size: 1.2rem; }

    /* Footer */
    .footer-top { grid-template-columns: 1fr; gap: 24px; }
    .footer-container { padding: 40px 16px 20px; }
}

/* ========================================
   Responsive - Small Mobile
   ======================================== */
@media (max-width: 480px) {
    .hero-school { font-size: 1.8rem; letter-spacing: 2px; }
    .voting-cta-stats { flex-wrap: wrap; gap: 12px; }
    .voting-cta-btn { padding: 12px 28px; font-size: 0.95rem; }
    .student-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .student-card { padding: 14px 6px; }
    .student-avatar { width: 40px; height: 40px; font-size: 1.1rem; }
    .student-name { font-size: 0.8rem; }
    .vote-btn { font-size: 0.75rem; padding: 6px 14px; }
}