/* ===================================================================
   CSP-J/S 2026 第二轮奖励名额收集系统 - 现代化设计样式表
   =================================================================== */

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-border: #bfdbfe;
    
    --navy-900: #0f172a;
    --navy-800: #1e293b;
    --navy-700: #334155;
    
    --slate-600: #475569;
    --slate-500: #64748b;
    --slate-400: #94a3b8;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50: #f8fafc;
    
    --success: #059669;
    --success-bg: #ecfdf5;
    --success-border: #a7f3d0;
    
    --danger: #dc2626;
    --danger-bg: #fef2f2;
    --danger-border: #fecaca;
    
    --warning: #d97706;
    --warning-bg: #fffbeb;
    --warning-border: #fde68a;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

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

body {
    font-family: var(--font-sans);
    background-color: #f1f5f9;
    color: var(--navy-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ================= Header ================= */
.app-header {
    background: #0f172a;
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-logo {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.brand-sub {
    font-size: 0.8rem;
    color: #94a3b8;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 2px;
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #f8fafc;
    letter-spacing: -0.02em;
}

.header-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    padding: 6px 14px;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ================= Main Layout ================= */
.app-main {
    padding-top: 28px;
    padding-bottom: 60px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ================= Alert Banner ================= */
.alert-banner {
    display: flex;
    gap: 16px;
    padding: 18px 22px;
    border-radius: var(--radius-lg);
    background: #fff;
    border-left: 5px solid transparent;
    box-shadow: var(--shadow-sm);
}

.alert-danger {
    background: #fef2f2;
    border-color: var(--danger);
    color: #991b1b;
}

.alert-danger .alert-icon {
    color: var(--danger);
    flex-shrink: 0;
    padding-top: 2px;
}

.alert-title {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

.alert-desc {
    font-size: 0.9rem;
    color: #7f1d1d;
}

/* ================= Cards ================= */
.card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--slate-200);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.card-header {
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--slate-200);
    background: var(--slate-50);
}

.header-title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--navy-800);
}

.header-title-wrap h2 {
    font-size: 1.15rem;
    font-weight: 700;
}

.card-body {
    padding: 24px;
}

/* Notice List (垂直列表排列，替代原并排方框) */
.notice-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 0;
    margin: 0;
}

.notice-list-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background: var(--slate-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--slate-200);
    transition: all 0.15s ease-in-out;
}

.notice-list-item:hover {
    background: #f8fafc;
    border-color: var(--primary-border);
    box-shadow: var(--shadow-sm);
}

.notice-index {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
    box-shadow: 0 2px 5px rgba(37, 99, 235, 0.25);
}

.notice-content {
    flex: 1;
}

.notice-item-title {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--navy-800);
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

.notice-item-text {
    font-size: 0.9rem;
    color: var(--slate-600);
    line-height: 1.6;
}

/* ================= Buttons ================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.92rem;
    font-weight: 600;
    padding: 9px 18px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease-in-out;
}

.btn-outline {
    background: #ffffff;
    color: var(--primary);
    border-color: var(--primary-border);
}

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

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.28);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    box-shadow: 0 6px 14px rgba(37, 99, 235, 0.35);
    transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    filter: grayscale(30%);
}

.btn-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ================= Feedback Panels ================= */
.feedback-card {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.feedback-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
}

.feedback-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.danger-icon {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.success-icon {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success-border);
}

.feedback-error {
    border-color: var(--danger-border);
    background: #ffffff;
}

.feedback-error .feedback-header {
    background: #fff5f5;
    border-bottom: 1px solid #fee2e2;
}

.feedback-title {
    font-size: 1.15rem;
    font-weight: 700;
}

.feedback-error .feedback-title {
    color: #991b1b;
}

.feedback-subtitle {
    font-size: 0.9rem;
    color: var(--slate-600);
    margin-top: 3px;
}

.feedback-body {
    padding: 24px;
}

.error-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.error-list li {
    font-size: 0.92rem;
    color: #b91c1c;
    background: #fef2f2;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--danger);
}

/* Success Panel Specifics */
.feedback-success {
    border-color: var(--success-border);
    background: #ffffff;
}

.feedback-success .feedback-header {
    background: #f0fdf4;
    border-bottom: 1px solid #dcfce7;
}

.feedback-success .feedback-title {
    color: #166534;
}

.meta-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
    background: var(--slate-50);
    padding: 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--slate-200);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-label {
    font-size: 0.8rem;
    color: var(--slate-500);
    text-transform: uppercase;
}

.meta-val {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--navy-800);
}

.meta-val.code-val {
    font-family: var(--font-mono);
    color: var(--primary);
    font-size: 0.9rem;
}

.meta-val.highlight-val {
    color: var(--success);
    font-size: 1.15rem;
    font-weight: 700;
}

.quota-notice-box {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    margin-bottom: 24px;
}

.quota-notice-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
}

.quota-notice-content {
    font-size: 0.95rem;
    color: var(--navy-800);
    line-height: 1.6;
}

.table-container {
    overflow-x: auto;
    margin-top: 10px;
}

.table-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy-800);
    margin-bottom: 12px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    text-align: left;
}

.data-table th {
    background: var(--slate-100);
    padding: 10px 14px;
    font-weight: 600;
    color: var(--slate-700);
    border-bottom: 2px solid var(--slate-200);
}

.data-table td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--slate-200);
    color: var(--slate-700);
}

.data-table tbody tr:hover {
    background: #f8fafc;
}

.status-badge-ok {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    background: #dcfce7;
    color: #15803d;
}

/* ================= Form Card ================= */
.form-card {
    padding: 32px;
}

.form-section {
    padding-bottom: 30px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--slate-200);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 10px;
    padding-bottom: 0;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}

.section-badge {
    width: 26px;
    height: 26px;
    background: var(--navy-800);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
}

.section-title h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--navy-900);
}

.section-desc {
    font-size: 0.88rem;
    color: var(--slate-500);
    margin-bottom: 20px;
    margin-left: 38px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group.full-width {
    grid-column: span 2;
}

label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--navy-700);
}

label.required::after {
    content: " *";
    color: var(--danger);
}

input[type="text"],
input[type="email"],
input[type="tel"] {
    width: 100%;
    height: 42px;
    padding: 0 14px;
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--navy-900);
    background: #ffffff;
    transition: all 0.15s ease-in-out;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.input-hint {
    font-size: 0.8rem;
    color: var(--slate-500);
}

/* ================= Upload Boxes ================= */
.upload-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.upload-box {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.upload-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-format-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--slate-100);
    color: var(--slate-600);
    border: 1px solid var(--slate-300);
}

.drop-zone {
    position: relative;
    border: 2px dashed var(--slate-300);
    border-radius: var(--radius-lg);
    background: var(--slate-50);
    padding: 28px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.drop-zone.has-file {
    border-color: var(--success);
    background: var(--success-bg);
}

.file-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    pointer-events: none;
}

.upload-zone-icon {
    color: var(--slate-400);
    transition: color 0.2s ease;
}

.drop-zone:hover .upload-zone-icon {
    color: var(--primary);
}

.drop-zone.has-file .upload-zone-icon {
    color: var(--success);
}

.drop-text {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--navy-800);
}

.drop-sub {
    font-size: 0.82rem;
    color: var(--slate-500);
    word-break: break-all;
}

/* ================= Form Actions ================= */
.form-actions {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.agreement-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--slate-600);
    cursor: pointer;
    max-width: 720px;
}

.agreement-label input[type="checkbox"] {
    margin-top: 4px;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.btn-submit {
    min-width: 280px;
    padding: 13px 32px;
    font-size: 1.05rem;
}

/* ================= Footer ================= */
.app-footer {
    background: #ffffff;
    border-top: 1px solid var(--slate-200);
    padding: 24px 0;
    font-size: 0.85rem;
    color: var(--slate-500);
    text-align: center;
}

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

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.footer-links .sep {
    color: var(--slate-300);
}

/* ================= Responsive ================= */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .header-badge {
        align-self: flex-start;
    }
    .form-card {
        padding: 20px 16px;
    }
    .form-grid,
    .upload-grid {
        grid-template-columns: 1fr;
    }
    .form-group.full-width {
        grid-column: span 1;
    }
    .section-desc {
        margin-left: 0;
    }
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .btn-submit {
        width: 100%;
    }
}