/* ============================================
   智行时刻表 · 指挥中心 - 液态玻璃版
   现代科技感 · 柔和光影 · 流畅交互
   完全匹配 index.html 中的 id / class
   （基于原版升级为磨砂玻璃质感）
   ============================================ */

/* ---------- CSS 变量定义（调整为玻璃态配色） ---------- */
:root {
    /* 主色调（保留原色值但具体背景用半透明覆盖） */
    --primary: #2c5f8a;
    --primary-light: #3e7cb1;
    --primary-dark: #1d4466;
    --primary-bg: rgba(238, 244, 250, 0.5);
    --primary-surface: rgba(244, 248, 252, 0.6);

    /* 强调色 */
    --accent: #f0974b;
    --accent-hover: #e07c3a;
    --accent-light: rgba(254, 246, 239, 0.7);

    /* 功能色 */
    --success: #4caf7b;
    --success-light: rgba(234, 247, 240, 0.7);
    --danger: #d96c5a;
    --danger-light: rgba(253, 242, 239, 0.7);
    --warning: #e0a848;
    --warning-light: rgba(254, 249, 238, 0.7);

    /* 中性色 */
    --text-primary: #1c2833;
    --text-secondary: #445a6b;
    --text-muted: #7b8fa0;
    --text-placeholder: #a5b6c5;
    --border: rgba(217, 226, 236, 0.6);
    --border-light: rgba(232, 238, 244, 0.6);
    --bg-page: #f6f9fc; /* 页面底色保留淡色，背景光斑覆盖 */
    --bg-card: rgba(255, 255, 255, 0.6);
    --bg-input: rgba(249, 251, 253, 0.6);
    --bg-hover: rgba(238, 243, 248, 0.7);

    /* 阴影（微调为更柔和的光影） */
    --shadow-xs: 0 2px 4px rgba(28, 40, 51, 0.06);
    --shadow-sm: 0 4px 12px rgba(28, 40, 51, 0.08);
    --shadow-md: 0 8px 24px rgba(28, 40, 51, 0.10);
    --shadow-lg: 0 14px 36px rgba(28, 40, 51, 0.12);
    --shadow-xl: 0 22px 56px rgba(28, 40, 51, 0.14);
    --shadow-focus: 0 0 0 4px rgba(44, 95, 138, 0.18);

    /* 圆角 */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 50px;

    /* 过渡 */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* 字体 */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    --font-mono: "SF Mono", "Menlo", "Consolas", "Courier New", monospace;
}

/* ---------- 全局重置 ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    padding-top: 80px;
    padding-bottom: 40px;
    /* 光斑效果更丰富，营造液态玻璃环境 */
    background-image:
        radial-gradient(ellipse at 15% 10%, rgba(44, 95, 138, 0.12) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 25%, rgba(240, 151, 75, 0.10) 0%, transparent 55%),
        radial-gradient(ellipse at 40% 80%, rgba(76, 175, 123, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 90%, rgba(224, 168, 72, 0.06) 0%, transparent 50%);
    background-attachment: fixed;
}

/* ---------- 悬浮头部（加强玻璃质感） ---------- */
.floating-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 28px;
    /* 核心液态玻璃：半透明背景 + 模糊 + 内发光 */
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 24px rgba(28, 40, 51, 0.08), inset 0 1px 0 rgba(255,255,255,0.8);
    transition: all var(--transition-normal);
}

.floating-header.scrolled {
    box-shadow: 0 6px 32px rgba(28, 40, 51, 0.12);
    background: rgba(255, 255, 255, 0.7);
}

/* Logo 区域 */
.logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    cursor: default;
    user-select: none;
    transition: opacity var(--transition-fast);
    filter: drop-shadow(0 2px 4px rgba(44,95,138,0.2));
}
.logo-text:hover {
    opacity: 0.85;
}

/* 头部右侧认证区域容器 */
#headerAuthArea {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* 登录按钮（玻璃按钮） */
.login-btn-fixed {
    padding: 9px 22px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-family);
    letter-spacing: 0.02em;
    color: #fff;
    background: rgba(62, 124, 177, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal), transform var(--transition-fast);
    box-shadow: 0 4px 12px rgba(44, 95, 138, 0.25);
    white-space: nowrap;
    outline: none;
	-webkit-tap-highlight-color: transparent;
	}

	/* 全局提示样式 */
	.popup {
		position: fixed;
		top: 50%;
		left: 50%;
		transform: translate(-50%, -50%);
		background: rgba(255,255,255,0.7);
		backdrop-filter: blur(24px);
		-webkit-backdrop-filter: blur(24px);
		padding: 16px 32px;
		border-radius: var(--radius-full);
		color: var(--text-primary);
		font-weight: 600;
		box-shadow: var(--shadow-lg);
		opacity: 0;
		transition: opacity var(--transition-fast);
		z-index: 1000;
		pointer-events: none;
	}
	.popup.show {
		opacity: 1;
}
.login-btn-fixed:hover {
    background: rgba(29, 68, 102, 0.85);
    box-shadow: 0 6px 18px rgba(44, 95, 138, 0.35);
    transform: translateY(-2px);
    border-color: rgba(255,255,255,0.6);
}
.login-btn-fixed:active {
    transform: scale(0.97);
    background: #17344d;
}

/* 用户信息条（登录后显示） */
.user-info-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(244, 248, 252, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255,255,255,0.7);
    box-shadow: var(--shadow-xs);
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.user-info-bar strong {
    color: var(--primary-dark);
    font-weight: 700;
}

/* 退出小按钮 */
.logout-small {
    padding: 5px 14px;
    font-size: 0.8rem;
    font-weight: 500;
    font-family: var(--font-family);
    color: var(--danger);
    background: rgba(253, 242, 239, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(217, 108, 90, 0.3);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    outline: none;
    -webkit-tap-highlight-color: transparent;
}
.logout-small:hover {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
    box-shadow: 0 4px 12px rgba(217, 108, 90, 0.25);
}
.logout-small:active {
    transform: scale(0.95);
}

/* ---------- 主面板 ---------- */
.main-dashboard {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

/* 页面标题区域 */
.page-title-section {
    text-align: center;
    padding: 28px 0 8px;
}

.page-title-section h2 {
    font-size: 2.2rem;
    font-weight: 750;
    color: var(--text-primary);
    letter-spacing: 0.04em;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #1c2833 0%, #2c5f8a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-title-section p {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
    display: inline-block;
    padding: 6px 20px;
    background: rgba(255,255,255,0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-full);
    border: 1px solid rgba(255,255,255,0.7);
    letter-spacing: 0.03em;
}

/* ---------- 按钮网格 ---------- */
.button-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 4px;
}

/* ---------- 巨型卡片（液态玻璃核心） ---------- */
.giant-card {
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    border-radius: var(--radius-lg);
    padding: 28px 18px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 14px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 8px 24px rgba(28, 40, 51, 0.08), inset 0 1px 0 rgba(255,255,255,0.8);
    transition:
        all var(--transition-normal),
        transform var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 200px;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    animation: cardFadeIn 0.5s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

/* 卡片入场动画 */
@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.giant-card:nth-child(1) { animation-delay: 0.05s; }
.giant-card:nth-child(2) { animation-delay: 0.10s; }
.giant-card:nth-child(3) { animation-delay: 0.15s; }
.giant-card:nth-child(4) { animation-delay: 0.20s; }
.giant-card:nth-child(5) { animation-delay: 0.25s; }
.giant-card:nth-child(6) { animation-delay: 0.30s; }
.giant-card:nth-child(7) { animation-delay: 0.35s; }
.giant-card:nth-child(8) { animation-delay: 0.40s; }

/* 卡片悬停效果（增强光感） */
.giant-card:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 14px 36px rgba(28, 40, 51, 0.14), inset 0 1px 0 rgba(255,255,255,0.9);
    border-color: rgba(255, 255, 255, 0.8);
}

/* 卡片图标占位 */
.card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: rgba(238, 244, 250, 0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-light);
    transition: all var(--transition-normal);
    position: relative;
    border: 1px solid rgba(255,255,255,0.5);
    box-shadow: 0 2px 8px rgba(44, 95, 138, 0.1);
}
/* 第一个卡片图标特殊样式 */
.giant-card[data-action="timetable"] .card-icon {
    background: rgba(217, 233, 250, 0.7);
    color: var(--primary);
    box-shadow: 0 4px 12px rgba(44, 95, 138, 0.2);
}
.giant-card[data-action="timetable"]:hover .card-icon {
    background: rgba(197, 221, 245, 0.8);
}

/* 卡片标题 */
.giant-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.02em;
    margin: 0;
}

/* 卡片描述 */
.giant-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.4;
    min-height: 2.4em;
}

/* 徽章 */
.badge-coming {
    padding: 6px 18px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    border-radius: var(--radius-full);
    background: rgba(238, 243, 248, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: var(--text-muted);
    border: 1px solid rgba(255,255,255,0.5);
    transition: all var(--transition-normal);
}

.active-badge {
    background: var(--accent-light);
    color: var(--accent);
    border-color: rgba(240, 151, 75, 0.3);
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(240, 151, 75, 0.2);
}

.giant-card:hover .badge-coming {
    background: rgba(255,255,255,0.7);
    box-shadow: var(--shadow-xs);
}

/* 敬请期待卡片 */
.giant-card[data-action="comming"] {
    opacity: 0.85;
    filter: grayscale(25%);
    cursor: default;
}
.giant-card[data-action="comming"]:hover {
    opacity: 1;
    filter: grayscale(0%);
    transform: translateY(-4px);
    border-color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.65);
}
.giant-card[data-action="comming"] .card-icon {
    background: rgba(238, 243, 248, 0.5);
    color: var(--text-muted);
}

/* ---------- 模态框（玻璃浮层） ---------- */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(20, 32, 46, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    justify-content: center;
    align-items: center;
    padding: 20px;
    animation: modalFadeIn 0.25s ease-out;
}

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

.modal[style*="display: flex"],
.modal.show {
    display: flex;
}

.modal-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-radius: var(--radius-xl);
    box-shadow: 0 24px 64px rgba(28, 40, 51, 0.2), inset 0 1px 0 rgba(255,255,255,0.8);
    border: 1px solid rgba(255, 255, 255, 0.6);
    overflow: hidden;
    animation: modalSlideUp 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.03em;
}

.close-modal {
    font-size: 1.8rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    transition: all var(--transition-fast);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    backdrop-filter: blur(4px);
}
.close-modal:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.8);
}

.modal-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.input-group input {
    width: 100%;
    padding: 11px 16px;
    font-size: 0.9rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    background: rgba(249, 251, 253, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1.5px solid rgba(255,255,255,0.6);
    border-radius: var(--radius-sm);
    outline: none;
    transition: all var(--transition-fast), box-shadow var(--transition-normal);
}
.input-group input::placeholder {
    color: var(--text-placeholder);
    opacity: 1;
}
.input-group input:hover {
    border-color: rgba(188, 200, 214, 0.7);
    background: rgba(255,255,255,0.6);
}
.input-group input:focus {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-focus);
    background: rgba(255,255,255,0.8);
}

.login-submit {
    width: 100%;
    padding: 12px 20px;
    font-size: 0.95rem;
    font-weight: 650;
    font-family: var(--font-family);
    letter-spacing: 0.04em;
    color: #fff;
    background: rgba(62, 124, 177, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-top: 6px;
    outline: none;
    box-shadow: 0 4px 12px rgba(44, 95, 138, 0.25);
}
.login-submit:hover {
    background: rgba(29, 68, 102, 0.9);
    box-shadow: 0 6px 18px rgba(44, 95, 138, 0.35);
    transform: translateY(-1px);
}
.login-submit:active {
    transform: scale(0.98);
    background: #17344d;
}
.login-submit:disabled {
    background: rgba(224, 232, 242, 0.6);
    color: #7b98ab;
    cursor: not-allowed;
    box-shadow: none;
    border-color: rgba(255,255,255,0.3);
}

.error-msg {
    margin-top: 8px;
    padding: 8px 14px;
    font-size: 0.82rem;
    color: var(--danger);
    background: rgba(253, 242, 239, 0.7);
    backdrop-filter: blur(4px);
    border-radius: var(--radius-xs);
    border-left: 3px solid var(--danger);
    font-weight: 500;
    display:none;
}

/* ---------- 响应式设计 ---------- */
@media (max-width: 1024px) {
    .button-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .page-title-section h2 {
        font-size: 1.9rem;
    }
}

@media (max-width: 768px) {
    .floating-header {
        padding: 10px 18px;
        backdrop-filter: blur(18px);
    }
    .logo-text {
        font-size: 1.4rem;
    }
    .login-btn-fixed {
        padding: 8px 16px;
        font-size: 0.82rem;
    }
    .main-dashboard {
        padding: 0 16px;
        gap: 22px;
    }
    .button-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .giant-card {
        padding: 24px 14px 20px;
        min-height: 180px;
    }
    .page-title-section h2 {
        font-size: 1.7rem;
    }
    .modal-card {
        max-width: 360px;
    }
}

@media (max-width: 480px) {
    body {
        padding-top: 68px;
    }
    .floating-header {
        padding: 8px 14px;
        backdrop-filter: blur(14px);
    }
    .logo-text {
        font-size: 1.2rem;
    }
    .login-btn-fixed {
        padding: 7px 12px;
        font-size: 0.75rem;
    }
    .user-info-bar {
        padding: 4px 10px;
        font-size: 0.78rem;
        gap: 6px;
    }
    .logout-small {
        padding: 4px 10px;
        font-size: 0.72rem;
    }
    .button-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .giant-card {
        padding: 20px 10px 16px;
        min-height: 160px;
        gap: 10px;
        backdrop-filter: blur(12px);
    }
    .card-icon {
        width: 42px;
        height: 42px;
        font-size: 1.5rem;
    }
    .giant-card h3 {
        font-size: 0.95rem;
    }
    .giant-card p {
        font-size: 0.78rem;
    }
    .badge-coming {
        padding: 4px 12px;
        font-size: 0.7rem;
    }
    .page-title-section h2 {
        font-size: 1.4rem;
    }
    .page-title-section p {
        font-size: 0.8rem;
        padding: 4px 12px;
    }
    .modal-card {
        margin: 10px;
        border-radius: var(--radius-md);
    }
    .modal-header {
        padding: 16px 18px 12px;
    }
    .modal-body {
        padding: 18px;
    }
}

/* ---------- 暗色模式适配 ---------- */
@media (prefers-color-scheme: dark) {
    /* 保留浅色玻璃效果，暂不启用暗色 */
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}