/* =====================================================
   北屿网络在线工单系统 - 前端样式 (浅色风格 · 精致版)
   ===================================================== */

:root {
    --bg-main: #f5f7fa;
    --bg-card: #ffffff;
    --bg-input: #f4f7fc;
    --bg-soft: #f8fafc;
    --border: #e8ecf2;
    --border-hover: #60a5fa;
    --text: #334155;
    --text-dim: #64748b;
    --text-light: #94a3b8;
    --accent: #60a5fa;
    --accent-2: #818cf8;
    --accent-3: #a78bfa;
    --accent-glow: rgba(96, 165, 250, 0.20);
    --accent-soft: rgba(96, 165, 250, 0.06);
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 8px rgba(30, 41, 59, 0.03);
    --shadow-md: 0 6px 20px rgba(30, 41, 59, 0.06);
    --shadow-lg: 0 12px 32px rgba(30, 41, 59, 0.08);
    --shadow-glow: 0 6px 24px rgba(96, 165, 250, 0.12);
    --gradient-main: linear-gradient(135deg, #60a5fa, #818cf8, #a78bfa);
    --gradient-soft: linear-gradient(135deg, #f0f7ff, #eef2ff, #f5f3ff);
}

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

body {
    font-family: "Microsoft YaHei", system-ui, -apple-system, sans-serif;
    background: var(--bg-main);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 背景多层柔光装饰 */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(circle at 12% 18%, rgba(96, 165, 250, 0.08) 0%, transparent 35%),
        radial-gradient(circle at 88% 15%, rgba(129, 140, 248, 0.07) 0%, transparent 35%),
        radial-gradient(circle at 75% 85%, rgba(167, 139, 250, 0.05) 0%, transparent 38%),
        radial-gradient(circle at 25% 80%, rgba(52, 211, 153, 0.04) 0%, transparent 38%);
    pointer-events: none;
    z-index: 0;
}

/* 浮动装饰圆 */
body::after {
    content: '';
    position: fixed;
    top: -60px; right: -60px;
    width: 220px; height: 220px;
    background: linear-gradient(135deg, rgba(96,165,250,.05), rgba(167,139,250,.04));
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: floatSlow 8s ease-in-out infinite;
}
@keyframes floatSlow {
    0%,100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-20px, 30px) scale(1.05); }
}

.container {
    position: relative;
    z-index: 1;
    max-width: 780px;
    margin: 0 auto;
    padding: 48px 20px 64px;
}

/* ===== 顶部 Logo 区域 ===== */
.header {
    text-align: center;
    margin-bottom: 36px;
}
.header .logo {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}
.header .logo-icon {
    width: 54px; height: 54px;
    background: var(--gradient-main);
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    color: #fff;
    box-shadow: 0 10px 28px var(--accent-glow);
    position: relative;
}
.header .logo-icon::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 18px;
    background: var(--gradient-main);
    opacity: 0;
    z-index: -1;
    filter: blur(12px);
    animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse { 0%,100% { opacity: 0; } 50% { opacity: 0.4; } }
.header h1 {
    font-size: 28px;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}
.header .subtitle {
    color: var(--text-dim);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.header .subtitle::before,
.header .subtitle::after {
    content: '';
    width: 24px; height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent));
    border-radius: 1px;
}
.header .subtitle::after {
    background: linear-gradient(90deg, var(--accent), transparent);
}

/* ===== 公告栏 ===== */
.notice-section { margin-bottom: 26px; }
.notice-bar {
    background: var(--gradient-soft);
    border: 1px solid #dbeafe;
    border-radius: var(--radius);
    padding: 14px 20px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    position: relative;
}
.notice-bar::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--gradient-main);
}
.notice-bar .notice-icon {
    flex-shrink: 0;
    font-size: 16px;
    color: var(--accent);
    animation: pulse 2s ease-in-out infinite;
}
.notice-bar .notice-track {
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
}
.notice-bar .notice-content {
    display: inline-block;
    padding-left: 100%;
    font-size: 13px;
    color: #475569;
    animation: marquee 22s linear infinite;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-100%); } }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.4; } }

/* 静止公告 */
.notice-static {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow-sm);
    position: relative;
}
.notice-static::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #059669, #10b981);
}
.notice-static-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 6px 0;
    border-bottom: 1px dashed var(--border);
}
.notice-static-item:last-child { border-bottom: none; }
.notice-static-dot {
    flex-shrink: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #10b981;
    margin-top: 6px;
}
.notice-static-text {
    font-size: 13px;
    color: #475569;
    line-height: 1.6;
}

/* 弹窗公告 */
.notice-popup-mask {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .45);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, visibility .3s ease;
}
.notice-popup-mask.show {
    opacity: 1;
    visibility: visible;
}
.notice-popup-box {
    background: var(--bg-card);
    border-radius: 14px;
    width: 90%;
    max-width: 460px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .2);
    transform: translateY(20px) scale(.96);
    transition: transform .3s cubic-bezier(.4, 0, .2, 1);
}
.notice-popup-mask.show .notice-popup-box {
    transform: translateY(0) scale(1);
}
.notice-popup-header {
    background: linear-gradient(135deg, #60a5fa, #818cf8);
    color: #fff;
    padding: 16px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 15px;
    font-weight: 600;
}
.notice-popup-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    opacity: .8;
    transition: opacity .2s;
    padding: 0;
    line-height: 1;
}
.notice-popup-close:hover { opacity: 1; }
.notice-popup-body {
    padding: 22px;
    max-height: 320px;
    overflow-y: auto;
}
.notice-popup-item {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: #475569;
    line-height: 1.7;
}
.notice-popup-item:last-child { border-bottom: none; padding-bottom: 0; }
.notice-popup-item:first-child { padding-top: 0; }
.notice-popup-footer {
    padding: 0 22px 22px;
    text-align: center;
}
.notice-popup-btn {
    background: linear-gradient(135deg, #60a5fa, #818cf8);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 10px 40px;
    font-size: 14px;
    cursor: pointer;
    box-shadow: 0 4px 14px var(--accent-soft);
    transition: all .2s;
}
.notice-popup-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px var(--accent-glow); }

/* ===== 主卡片 ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    transition: all .35s cubic-bezier(.4,0,.2,1);
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-main);
    opacity: 0;
    transition: opacity .35s;
}
.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.card:hover::before { opacity: 1; }

.card-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.card-title::before {
    content: '';
    width: 4px; height: 20px;
    background: var(--gradient-main);
    border-radius: 2px;
}
.card-title .title-badge {
    margin-left: auto;
    font-size: 11px;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 3px 10px;
    border-radius: 20px;
}

/* ===== 分类按钮 ===== */
.cat-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.cat-btn {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 10px 22px;
    text-align: center;
    cursor: pointer;
    transition: all .25s cubic-bezier(.4,0,.2,1);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
}
.cat-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-soft);
    opacity: 0;
    transition: opacity .25s;
}
.cat-btn:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.cat-btn:hover::before { opacity: 1; }
.cat-btn.active {
    background: var(--gradient-soft);
    border-color: var(--accent);
    box-shadow: 0 4px 14px var(--accent-glow);
    padding-right: 32px;
}
.cat-btn.active::after {
    content: '\f00c';
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    top: 50%; right: 10px;
    transform: translateY(-50%);
    color: var(--accent);
    font-size: 11px;
}
.cat-btn .cat-name { font-size: 13px; color: var(--text); position: relative; z-index: 1; font-weight: 500; white-space: nowrap; }
.cat-btn.active .cat-name { color: var(--accent); font-weight: 600; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 22px; }
.form-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}
.form-group label .required { color: var(--danger); }
.form-input, .form-textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    transition: all .25s;
    outline: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-light); }
.form-input:focus, .form-textarea:focus {
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 4px var(--accent-soft);
}
.form-textarea { resize: vertical; min-height: 140px; line-height: 1.6; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* ===== 文件上传 ===== */
.upload-zone {
    border: 2px dashed #cbd5e1;
    border-radius: 14px;
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: all .3s;
    background: var(--bg-soft);
    position: relative;
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent);
    background: var(--accent-soft);
    transform: scale(1.01);
}
.upload-zone .upload-icon {
    font-size: 36px;
    margin-bottom: 10px;
    color: var(--accent);
    transition: transform .3s;
}
.upload-zone:hover .upload-icon { transform: translateY(-4px); }
.upload-zone .upload-text { font-size: 14px; color: var(--text-dim); font-weight: 500; }
.upload-zone .upload-hint { font-size: 11px; color: var(--text-light); margin-top: 6px; }
.upload-list { margin-top: 14px; }
.upload-item {
    display: flex; align-items: center; gap: 10px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 11px 15px;
    margin-bottom: 8px;
    font-size: 13px;
    box-shadow: var(--shadow-sm);
    transition: all .2s;
    animation: slideIn .3s ease;
}
@keyframes slideIn { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: translateX(0); } }
.upload-item:hover { border-color: var(--accent); }
.upload-item .file-icon { color: var(--accent); }
.upload-item .file-remove {
    margin-left: auto;
    color: var(--danger);
    cursor: pointer;
    font-size: 14px;
    width: 24px; height: 24px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    transition: background .2s;
}
.upload-item .file-remove:hover { background: rgba(239,68,68,.1); }

/* ===== 提交按钮 ===== */
.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--gradient-main);
    border: none;
    border-radius: 14px;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all .3s;
    letter-spacing: 3px;
    box-shadow: 0 10px 28px var(--accent-glow);
    display: flex; align-items: center; justify-content: center; gap: 10px;
    position: relative;
    overflow: hidden;
}
.submit-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
    transition: left .6s;
}
.submit-btn:hover::before { left: 100%; }
.submit-btn:hover { box-shadow: 0 14px 36px var(--accent-glow); transform: translateY(-3px); }
.submit-btn:active { transform: translateY(0); }
.submit-btn:disabled { opacity: .65; cursor: not-allowed; transform: none; }

/* ===== 弹窗 ===== */
.modal-mask {
    display: none;
    position: fixed; inset: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(10px);
    z-index: 100;
    align-items: center; justify-content: center;
}
.modal-mask.show { display: flex; animation: fadeIn .25s; }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
.modal-box {
    background: #fff;
    border-radius: 24px;
    padding: 44px 36px;
    max-width: 420px;
    width: 90%;
    text-align: center;
    animation: slideUp .4s cubic-bezier(.34,1.56,.64,1);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}
.modal-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 5px;
    background: var(--gradient-main);
}
@keyframes slideUp { from { transform:translateY(40px); opacity:0; } to { transform:translateY(0); opacity:1; } }
.modal-box .success-icon {
    width: 80px; height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 38px;
    color: var(--success);
    box-shadow: 0 8px 24px rgba(16,185,129,.2);
    animation: bounceIn .5s cubic-bezier(.34,1.56,.64,1);
}
@keyframes bounceIn { 0% { transform: scale(0); } 60% { transform: scale(1.2); } 100% { transform: scale(1); } }
.modal-box h3 { font-size: 22px; margin-bottom: 8px; color: var(--text); font-weight: 700; }
.modal-box .ticket-no {
    background: var(--gradient-soft);
    border: 1.5px dashed var(--accent);
    border-radius: 12px;
    padding: 16px;
    margin: 18px 0;
    font-size: 24px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 2px;
    font-family: 'Courier New', monospace;
}
.modal-box .modal-tip { font-size: 12px; color: var(--text-dim); margin-bottom: 24px; }
.modal-box .modal-btn {
    padding: 12px 32px;
    background: var(--gradient-main);
    border: none; border-radius: 12px;
    color: #fff; font-size: 14px; font-weight: 600; cursor: pointer;
    transition: all .2s;
    display: inline-flex; align-items: center; gap: 8px;
}
.modal-box .modal-btn:hover { box-shadow: 0 8px 20px var(--accent-glow); transform: translateY(-2px); }
.modal-box .modal-btn.secondary {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
}
.modal-box .modal-btn.secondary:hover { border-color: var(--accent); color: var(--accent); }

/* ===== 背景音乐播放器 ===== */
.music-player {
    position: fixed;
    bottom: 24px; right: 24px;
    z-index: 50;
    display: flex; align-items: center; gap: 10px;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 8px 18px 8px 8px;
    cursor: pointer;
    transition: all .3s;
    box-shadow: var(--shadow-lg);
}
.music-player:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-glow); }
.music-player .music-disc {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: var(--gradient-main);
    display: flex; align-items: center; justify-content: center;
    font-size: 15px; color: #fff;
    box-shadow: 0 4px 12px var(--accent-glow);
}
.music-player .music-disc.playing { animation: spin 4s linear infinite; }
@keyframes spin { from { transform: rotate(0); } to { transform: rotate(360deg); } }
.music-player .music-name { font-size: 12px; color: var(--text-dim); max-width: 110px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ===== Toast 提示 ===== */
.toast {
    position: fixed;
    top: 24px; left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 26px;
    font-size: 14px;
    font-weight: 500;
    z-index: 200;
    transition: transform .35s cubic-bezier(.34,1.56,.64,1);
    box-shadow: var(--shadow-lg);
    display: flex; align-items: center; gap: 10px;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { border-color: #fecaca; color: #dc2626; }
.toast.error .toast-icon { color: var(--danger); }
.toast.success { border-color: #a7f3d0; color: #059669; }
.toast.success .toast-icon { color: var(--success); }

/* ===== 页脚 ===== */
.footer {
    text-align: center;
    color: var(--text-light);
    font-size: 12px;
    margin-top: 36px;
    padding: 20px;
    position: relative;
}
.footer::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 60px; height: 2px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* ===== 加载动画 ===== */
.loading-dots span {
    display: inline-block;
    width: 7px; height: 7px;
    background: #fff;
    border-radius: 50%;
    margin: 0 2px;
    animation: bounce 1.4s ease-in-out infinite;
}
.loading-dots span:nth-child(2) { animation-delay: .2s; }
.loading-dots span:nth-child(3) { animation-delay: .4s; }
@keyframes bounce { 0%,80%,100% { transform:scale(0); } 40% { transform:scale(1); } }

/* ===== 步骤指示器 ===== */
.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 30px;
}
.step-indicator .step {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-light);
    font-weight: 500;
}
.step-indicator .step-num {
    width: 26px; height: 26px;
    border-radius: 50%;
    background: var(--bg-soft);
    border: 1.5px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px;
    font-weight: 700;
    transition: all .3s;
}
.step-indicator .step.active .step-num {
    background: var(--gradient-main);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 12px var(--accent-glow);
}
.step-indicator .step.active { color: var(--accent); }
.step-indicator .step-line {
    width: 40px; height: 2px;
    background: var(--border);
    border-radius: 1px;
}