* {
    box-sizing: border-box;
}

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #93c5fd;
    --primary-ultralight: #dbeafe;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --secondary-light: #34d399;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --danger-light: #fca5a5;
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --warning-light: #fcd34d;
    --info: #6366f1;
    --info-dark: #4f46e5;
    --info-light: #a5b4fc;
    --light: #f3f4f6;
    --dark: #1f2937;
    --gray-100: #f9fafb;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --transition: all 0.2s ease-in-out;
    --font-sans: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "Courier New", monospace;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--gray-800);
    min-height: 100vh;
    line-height: 1.6;
}

.topbar {
    background: var(--gray-900);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 2px solid var(--primary);
}

.topbar .brand {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-light);
    text-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar .brand::before {
    content: '📦';
    font-size: 24px;
    display: inline-block;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.topbar nav {
    display: flex;
    gap: 16px;
    align-items: center;
}

.topbar nav a {
    color: var(--gray-300);
    text-decoration: none;
    padding: 10px 16px;
    border-radius: var(--radius-lg);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.topbar nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.2), transparent);
    transition: left 0.5s ease;
}

.topbar nav a:hover::before {
    left: 100%;
}

.topbar nav a:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-light);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

.topbar nav a.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.container {
    max-width: 1200px;
    margin: 32px auto;
    padding: 0 20px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: 32px 24px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--primary), var(--info), var(--secondary));
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.card:hover::before {
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0% {
        background: linear-gradient(90deg, var(--primary), var(--info), var(--secondary));
    }
    33% {
        background: linear-gradient(90deg, var(--info), var(--secondary), var(--primary));
    }
    66% {
        background: linear-gradient(90deg, var(--secondary), var(--primary), var(--info));
    }
    100% {
        background: linear-gradient(90deg, var(--primary), var(--info), var(--secondary));
    }
}

.card-title {
    color: var(--gray-600);
    margin-bottom: 16px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-title::before {
    content: '📊';
    font-size: 16px;
}

.card-value {
    font-size: 42px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.1;
    margin-bottom: 8px;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card-sub {
    margin-top: 8px;
    color: var(--gray-500);
    font-size: 14px;
}


/* 首页卡片：总吨数数字加大 */

.card-ton-line {
    margin-top: 20px;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 12px 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
    background: linear-gradient(180deg, transparent 0%, var(--primary-ultralight) 100%);
    padding: 16px;
    border-radius: var(--radius-lg);
    margin-top: 24px;
}

.card-ton-label {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 600;
    background: var(--white);
    padding: 4px 12px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.card-ton-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 0.02em;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    text-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
    background: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--primary-light);
}

.card-ton-unit {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-600);
    background: var(--white);
    padding: 4px 12px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}


/* 首页表格：吨数列 */

td.ton-value {
    font-size: 18px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--primary);
    background: var(--primary-ultralight);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-weight: 800;
}

.card-action {
    margin-top: 24px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.stock-link {
    display: inline-block;
    text-decoration: none;
    color: var(--gray-700);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 8px;
}

.stock-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.2), transparent);
    transition: left 0.5s ease;
}

.stock-link:hover::before {
    left: 100%;
}

.stock-link:hover {
    background: var(--primary);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stock-link::after {
    content: '→';
    font-size: 16px;
    font-weight: bold;
    transition: transform 0.2s ease;
}

.stock-link:hover::after {
    transform: translateX(4px);
}

.panel {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: 32px 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
    overflow-x: auto;
    border: 1px solid var(--gray-200);
    position: relative;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--secondary), var(--primary), var(--info));
}

.panel:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.panel:hover::before {
    animation: gradientShift 3s ease infinite;
}

.panel h3 {
    margin-top: 0;
    margin-bottom: 24px;
    color: var(--gray-800);
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--gray-200);
}

.panel h3::before {
    content: '📋';
    font-size: 20px;
    display: inline-block;
}

.panel h3::after {
    content: '';
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, var(--gray-200), transparent);
    margin-left: 16px;
}

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

.form-row-4 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.form-grid .full {
    grid-column: 1 / -1;
}

label {
    display: block;
    font-size: 14px;
    color: var(--gray-700);
    margin-bottom: 8px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

label::before {
    content: '•';
    color: var(--primary);
    font-weight: bold;
}

input,
select,
button {
    width: 100%;
    padding: 14px 18px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
    font-size: 14px;
    transition: var(--transition);
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

select:hover {
    border-color: var(--primary-light);
}

.btn {
    background: var(--primary);
    color: var(--white);
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-lg);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.btn-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: auto;
    padding: 10px 18px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
}

.btn-sm::after {
    content: '👁️';
    font-size: 14px;
}

.btn-active {
    background: var(--primary-dark);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--danger);
}

.btn-danger:hover {
    background: var(--danger-dark);
    box-shadow: 0 10px 15px -3px rgba(239, 68, 68, 0.3);
}

.btn-muted {
    background: var(--gray-400);
}

.btn-muted:hover {
    background: var(--gray-500);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--secondary);
}

.btn-secondary:hover {
    background: var(--secondary-dark);
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.3);
}

.btn-primary {
    background: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

th,
td {
    border-bottom: 1px solid var(--gray-200);
    padding: 16px 20px;
    text-align: left;
    transition: var(--transition);
    position: relative;
}

th {
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--gray-100) 100%);
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

th:first-child {
    border-top-left-radius: var(--radius-lg);
}

th:last-child {
    border-top-right-radius: var(--radius-lg);
}

tr:hover td {
    background: var(--primary-ultralight);
    transform: translateX(4px);
}

tr:nth-child(even) {
    background: var(--gray-50);
}

tr:nth-child(even):hover td {
    background: var(--primary-ultralight);
}

tr:last-child td {
    border-bottom: none;
}

tr:last-child td:first-child {
    border-bottom-left-radius: var(--radius-lg);
}

tr:last-child td:last-child {
    border-bottom-right-radius: var(--radius-lg);
}

.flash-list {
    margin-bottom: 20px;
}

.flash {
    background: #e0f2fe;
    color: #0369a1;
    border: 1px solid #bae6fd;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--info));
}

.login-card h1 {
    margin: 0 0 16px 0;
    color: var(--gray-800);
    font-size: 24px;
    font-weight: 700;
    text-align: center;
}

.login-card .sub,
.hint {
    color: var(--gray-600);
    font-size: 14px;
    text-align: center;
    margin-bottom: 24px;
}

.toolbar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.page-footnote {
    max-width: 1200px;
    margin: -8px auto 24px;
    padding: 0 20px;
    text-align: right;
}

.page-footnote a {
    color: var(--gray-600);
    font-size: 13px;
    text-decoration: none;
    transition: var(--transition);
}

.page-footnote a:hover {
    color: var(--primary);
    text-decoration: underline;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    backdrop-filter: blur(4px);
}

.modal-overlay.show {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

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

.modal-card {
    width: 480px;
    max-width: 100%;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
    animation: scaleIn 0.3s ease-out;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--info));
}

.modal-card h3 {
    margin: 0 0 16px;
    color: var(--gray-800);
    font-size: 18px;
    font-weight: 600;
}

.modal-card p {
    margin: 0 0 24px;
    color: var(--gray-600);
    line-height: 1.5;
}

.modal-actions {
    margin-top: 24px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.snapshot {
    display: inline-block;
    max-width: 520px;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 12px;
    color: var(--gray-700);
    background: var(--gray-50);
    padding: 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.pagination-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
    flex-wrap: wrap;
}

.page-meta {
    font-size: 14px;
    color: var(--gray-600);
    min-width: 160px;
    text-align: center;
}

.page-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-700);
    font-size: 20px;
    line-height: 1;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.page-arrow:hover:not(.page-arrow-disabled) {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.page-arrow-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.help-text {
    color: var(--gray-600);
    font-size: 14px;
    line-height: 1.5;
    margin: 0 0 20px;
    background: var(--gray-50);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--info);
}

.hint-banner {
    background: #fffbeb;
    border: 1px solid #fef3c7;
    color: #92400e;
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
}

.code-tag {
    font-size: 12px;
    background: var(--gray-100);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
    font-family: 'Courier New', monospace;
    color: var(--gray-700);
}

.materials-top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.page-title-inline {
    margin: 0;
    font-size: 1.75rem;
    color: var(--gray-800);
    font-weight: 700;
}

.stock-query-form {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    align-items: center;
    padding: 24px;
    background: linear-gradient(135deg, var(--primary-ultralight) 0%, var(--white) 100%);
    border-radius: var(--radius-xl);
    border: 2px solid var(--primary-light);
    box-shadow: var(--shadow-md);
}

.stock-query-form .form-select {
    flex: 1;
    min-width: 280px;
    border: 2px solid var(--gray-200);
    padding: 14px 18px;
    border-radius: var(--radius-lg);
    font-size: 14px;
    font-weight: 500;
}

.stock-query-form .btn {
    flex-shrink: 0;
    width: auto;
    min-width: 140px;
    padding: 14px 28px;
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--radius-lg);
}

.stock-result {
    background: linear-gradient(135deg, var(--white) 0%, var(--primary-ultralight) 100%);
    border: 2px solid var(--primary-light);
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    margin-top: 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stock-result::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--info));
}

.stock-result:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.stock-result-content {
    text-align: center;
}

.stock-result-content h4 {
    margin: 0 0 24px 0;
    color: var(--gray-800);
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.stock-result-content h4::before {
    content: '📦';
    font-size: 24px;
}

.stock-info {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.stock-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 32px;
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-200);
    min-width: 160px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stock-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.stock-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.stock-label {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--gray-50);
    padding: 4px 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.stock-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    text-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
    font-variant-numeric: tabular-nums;
    background: var(--white);
    padding: 12px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--primary-light);
}


/* 原料库存面板特殊样式 */

.material-stock-panel {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 1px solid #bae6fd;
}

.material-stock-panel h3 {
    margin-top: 0;
    color: var(--gray-800);
    font-size: 1.1rem;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}


/* 每日出入库统计样式 */

.daily-records table {
    margin-top: 16px;
}

.daily-records th {
    background: var(--gray-50);
}

.daily-records tr:hover td {
    background: var(--gray-50);
}

@media (max-width: 768px) {
    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 12px 16px;
    }
    .topbar .brand {
        font-size: 18px;
    }
    .topbar nav {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        width: 100%;
    }
    .topbar nav a {
        flex: 1 1 calc(33.33% - 6px);
        text-align: center;
        margin-left: 0;
        font-size: 13px;
        padding: 10px 8px;
        border-radius: var(--radius-md);
    }
    .container {
        margin: 16px auto;
        padding: 0 12px;
    }
    .cards {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    h2,
    .page-title-inline {
        font-size: 1.25rem;
    }
    .panel h3 {
        font-size: 1rem;
    }
    .materials-top {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    .materials-top .stock-link {
        width: 100%;
        text-align: center;
    }
    .page-footnote {
        padding: 0 12px;
        margin: -4px auto 16px;
    }
    .panel {
        padding: 12px;
    }
    .card {
        padding: 16px;
    }
    .card-title {
        font-size: 14px;
    }
    .card-value {
        font-size: 24px;
    }
    .card-ton-num {
        font-size: 20px;
    }
    .card-ton-unit {
        font-size: 14px;
    }
    .card-action {
        flex-direction: column;
        gap: 8px;
    }
    .card-action .stock-link {
        width: 100%;
        padding: 10px;
    }
    td.ton-value {
        font-size: 14px;
    }
    .stock-link {
        width: 100%;
        text-align: center;
        padding: 10px 12px;
    }
    .form-row-4 {
        grid-template-columns: 1fr;
    }
    /* 表格横向滚动优化 */
    .panel {
        overflow-x: auto;
    }
    table {
        min-width: 600px;
        font-size: 12px;
    }
    th,
    td {
        padding: 8px 10px;
        font-size: 12px;
        white-space: nowrap;
    }
    /* 表格容器滚动 */
    .panel>table {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    input,
    select,
    button,
    .btn {
        min-height: 44px;
        font-size: 14px;
    }
    .page-arrow {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    .page-meta {
        font-size: 13px;
        min-width: auto;
    }
    .modal-actions .btn {
        min-height: 44px;
    }
    .stock-query-form {
        flex-direction: column;
        gap: 10px;
        padding: 12px;
    }
    .stock-query-form .form-select {
        min-width: unset;
    }
    .stock-query-form .btn {
        width: 100%;
        min-width: unset;
    }
    .stock-info {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
    .stock-item {
        width: 100%;
        max-width: 200px;
    }
    .stock-value {
        font-size: 24px;
        padding: 8px 16px;
    }
    .toolbar {
        flex-direction: column;
    }
    .modal-card {
        padding: 16px;
        margin: 16px;
        width: calc(100% - 32px);
    }
    .modal-card h3 {
        font-size: 1rem;
    }
    .modal-card p {
        font-size: 14px;
    }
    .login-card {
        padding: 20px;
        max-width: 100%;
    }
    .login-header-image {
        max-height: 150px !important;
        margin-bottom: 12px !important;
    }
    .login-header-image img {
        max-width: 100% !important;
        max-height: 150px !important;
        width: auto !important;
        height: auto !important;
    }
    .login-title {
        font-size: 20px !important;
        margin-bottom: 16px !important;
        letter-spacing: 1px !important;
    }
    .login-container {
        padding: 16px 12px !important;
    }
    .login-form {
        gap: 10px !important;
    }
    .login-form input {
        padding: 12px 12px 12px 40px !important;
        font-size: 14px !important;
    }
    .login-form .btn-primary {
        padding: 12px 16px !important;
        font-size: 14px !important;
    }
    /* 表单标签优化 */
    label {
        font-size: 13px;
        margin-bottom: 6px;
    }
    /* 按钮优化 */
    .btn-sm {
        padding: 6px 12px;
        font-size: 12px;
    }
    /* 删除确认弹窗优化 */
    .modal-actions {
        flex-direction: column;
        gap: 8px;
    }
    .modal-actions .btn {
        width: 100%;
    }
    /* 分页栏优化 */
    .pagination-bar {
        gap: 8px;
    }
    /* 帮助文本优化 */
    .help-text {
        font-size: 13px;
        padding: 10px 12px;
    }
    /* 提示横幅优化 */
    .hint-banner {
        font-size: 13px;
        padding: 12px;
    }
}


/* 超小屏幕优化 (小于 480px) */

@media (max-width: 480px) {
    .topbar nav a {
        flex: 1 1 calc(50% - 6px);
        font-size: 12px;
        padding: 8px 6px;
    }
    .topbar .brand {
        font-size: 16px;
    }
    .card-value {
        font-size: 20px;
    }
    .card-ton-num {
        font-size: 18px;
    }
    table {
        min-width: 500px;
        font-size: 11px;
    }
    th,
    td {
        padding: 6px 8px;
    }
    .btn {
        padding: 10px 14px;
    }
}


/* 可搜索下拉框样式 */

.searchable-select-wrapper {
    position: relative;
    width: 100%;
}

.searchable-select-input {
    width: 100%;
    padding: 14px 18px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
    font-size: 14px;
    transition: var(--transition);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

.searchable-select-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.searchable-select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    max-height: 240px;
    overflow-y: auto;
    z-index: 50;
    display: none;
    box-shadow: var(--shadow-lg);
}

.searchable-select-option {
    padding: 12px 18px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--gray-100);
}

.searchable-select-option:last-child {
    border-bottom: none;
}

.searchable-select-option:hover {
    background: var(--primary-ultralight);
    color: var(--primary);
}

.searchable-select-empty {
    padding: 12px 18px;
    color: var(--gray-500);
    text-align: center;
    font-style: italic;
}

@media (max-width: 768px) {
    .searchable-select-dropdown {
        max-height: 200px;
    }
    .searchable-select-option {
        padding: 14px 16px;
    }
}


/* 登录页面样式 */

.login-body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
}

.login-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 40px 20px;
}

.login-header-image {
    width: 100%;
    margin: 0 auto 20px auto;
    height: auto;
    max-height: 280px;
    overflow: visible;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
    padding: 10px;
}

.login-header-image img {
    max-width: 100%;
    max-height: 260px;
    width: auto;
    height: auto;
    border-radius: 8px;
}

.login-title {
    text-align: center;
    color: #ffffff;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 3px;
}

.login-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    width: 100%;
}

.login-card-header {
    text-align: center;
    margin-bottom: 24px;
}

.login-card-header h2 {
    font-size: 22px;
    color: var(--gray-800);
    margin: 0 0 8px 0;
    font-weight: 600;
}

.login-card-header .sub {
    color: var(--gray-500);
    font-size: 14px;
    margin: 0;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

.form-group label {
    font-weight: 500;
    color: var(--gray-700);
    font-size: 14px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 12px;
    font-size: 16px;
    color: var(--gray-400);
    z-index: 1;
}

.login-form input {
    width: 100%;
    padding: 12px 12px 12px 42px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--gray-50);
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.login-form input::placeholder {
    color: var(--gray-400);
}

.btn-block {
    width: 100%;
}

.login-form .btn-primary {
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.login-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.login-body .flash {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger-light);
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    text-align: center;
}