@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Inter:wght@400;500;600;700&display=swap');

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #e2e8f0;
    overflow-x: hidden;
}

.sidebar {
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    border-right: 1px solid rgba(148, 163, 184, 0.1);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
}

.menu-item {
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.menu-item:hover {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: #3b82f6;
}

.menu-item.active {
    background: rgba(59, 130, 246, 0.15);
    border-left-color: #3b82f6;
    color: #60a5fa;
}

.tech-card {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    overflow: visible;
}

.tech-card:hover {
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
}

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

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: rgba(51, 65, 85, 0.8);
    border: 1px solid rgba(148, 163, 184, 0.3);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(71, 85, 105, 0.9);
    border-color: rgba(148, 163, 184, 0.5);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
    transition: all 0.3s ease;
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: rgba(239, 68, 68, 0.5);
}

.input-tech {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.2);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 0 0 transparent;
}

.input-tech:focus {
    outline: none;
    border: 1px solid #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

select.input-tech {
    appearance: none;
    -webkit-appearance: none;
    -moz-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='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
    position: relative;
    z-index: 10;
    font-size: 0.875rem !important;
}

select.input-tech:focus {
    outline: none !important;
    outline-offset: 0 !important;
    z-index: 50;
    font-size: 0.875rem !important;
}

select.input-tech option {
    background: #1e293b;
    color: #e2e8f0;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    font-size: 0.875rem !important;
    white-space: normal;
    word-wrap: break-word;
}

/* 选中状态 */
select.input-tech option:checked {
    background: #2563eb;
    color: #fff;
    padding-left: 2.5rem;
    font-size: 0.875rem !important;
}

.pagination-btn {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.2);
    transition: all 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
    background: rgba(59, 130, 246, 0.2);
    border-color: #3b82f6;
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-btn.active {
    background: #3b82f6;
    border-color: #3b82f6;
    color: white;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
}

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.5);
}

.tech-badge {
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
    font-family: 'JetBrains Mono', monospace;
}

.eye-icon {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(148, 163, 184, 0.3);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
}

.checkbox-custom:checked {
    background: #3b82f6;
    border-color: #3b82f6;
}

.checkbox-custom:checked::after {
    content: '✓';
    display: block;
    text-align: center;
    color: white;
    font-size: 14px;
    line-height: 14px;
}

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

.animate-slide-in {
    animation: slideIn 0.3s ease-out;
}

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

.animate-fade-in {
    animation: fadeIn 0.2s ease-out;
}