:root {
    --primary-red: #de2910;
    --primary-gold: #ffde00;
    --success-green: #52c41a;
    --info-blue: #1890ff;
    --bg-color: #fdfbf7;
    --text-dark: #2c3e50;
    --text-light: #596b7e;
    --glass-bg: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(255, 255, 255, 0.5);
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --shadow-lg: 0 12px 48px 0 rgba(31, 38, 135, 0.25);
    --font-title: 'Ma Shan Zheng', cursive;
    --font-body: 'Outfit', sans-serif;
    --font-serif: 'Noto Serif SC', serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(circle at 15% 25%, rgba(222, 41, 16, 0.04) 0%, transparent 25%),
        radial-gradient(circle at 85% 75%, rgba(255, 222, 0, 0.05) 0%, transparent 25%);
    color: var(--text-dark);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
}

.app-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== Header ===== */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 35px;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border-radius: 16px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    border: 1px solid var(--glass-border);
}

.header-content h1 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.header-content .highlight {
    color: var(--primary-red);
    font-family: var(--font-title);
    font-size: 2rem;
    margin-left: 10px;
}

.subtitle {
    font-family: var(--font-body);
    color: var(--text-light);
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.mission-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-red), #c41e0a);
    color: white;
    border-radius: 25px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(222, 41, 16, 0.3);
}

.badge-icon {
    font-size: 1.3rem;
}

/* ===== Main Stage ===== */
.main-stage {
    display: grid;
    grid-template-columns: 320px 1fr 320px;
    gap: 20px;
}

.left-panel,
.right-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border-radius: 14px;
    box-shadow: var(--shadow);
    border: 1px solid var(--glass-border);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.center-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border-radius: 14px;
    box-shadow: var(--shadow);
    border: 1px solid var(--glass-border);
    padding: 25px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ===== Panel Sections ===== */
.panel-section {
    background: rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    padding: 18px;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-gold);
}

.panel-icon {
    font-size: 1.4rem;
}

.panel-header h3 {
    font-size: 1.05rem;
    color: var(--primary-red);
    font-weight: 700;
}

/* ===== Input Groups ===== */
.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: var(--font-body);
    transition: all 0.2s;
    background: white;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 3px rgba(255, 222, 0, 0.2);
}

/* ===== Buttons ===== */
.btn-analyze {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-red), #c41e0a);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(222, 41, 16, 0.3);
    margin-top: 10px;
}

.btn-analyze:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(222, 41, 16, 0.4);
}

.btn-analyze:active {
    transform: translateY(0);
}

/* ===== Logic Formula ===== */
.logic-formula {
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.formula-title {
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.formula-content {
    background: white;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--info-blue);
}

.formula-line {
    margin-left: 20px;
    padding: 3px 0;
    color: var(--text-light);
}

.formula-arrow {
    margin: 8px 0;
    font-size: 1.2rem;
    color: var(--primary-red);
    text-align: center;
}

.formula-result {
    background: #fff5f5;
    padding: 8px 12px;
    border-radius: 6px;
    font-weight: 700;
    color: var(--primary-red);
    text-align: center;
}

/* ===== National Needs ===== */
.needs-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.need-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: white;
    border-radius: 10px;
    border: 2px solid #e0e0e0;
    transition: all 0.2s;
}

.need-card.priority-high {
    border-color: #ff4d4f;
    background: linear-gradient(135deg, #fff1f0, #ffffff);
}

.need-card.priority-medium {
    border-color: #faad14;
}

.need-icon {
    font-size: 2rem;
}

.need-info {
    flex: 1;
}

.need-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.need-priority {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* ===== Ideology Content ===== */
.ideology-content h4 {
    color: var(--primary-red);
    margin-bottom: 12px;
    font-size: 1.05rem;
}

.ideology-content p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 15px;
}

.ideology-content blockquote {
    margin: 15px 0;
    padding: 15px;
    background: #fff5f5;
    border-left: 4px solid var(--primary-red);
    border-radius: 8px;
}

.ideology-content blockquote p {
    font-family: var(--font-serif);
    font-style: italic;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.ideology-content cite {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ===== System Info ===== */
.system-info ul {
    list-style: none;
    padding: 0;
}

.system-info li {
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--text-light);
}

.system-info code {
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--info-blue);
}

/* ===== Reasoning Area ===== */
.reasoning-area,
.result-area {
    min-height: 400px;
}

.area-header h2 {
    font-family: var(--font-title);
    font-size: 1.8rem;
    color: var(--primary-red);
    margin-bottom: 20px;
}

.reasoning-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}

.empty-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 15px;
}

.reasoning-step {
    background: white;
    padding: 15px;
    border-radius: 10px;
    border-left: 4px solid var(--info-blue);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.step-number {
    display: inline-block;
    width: 28px;
    height: 28px;
    background: var(--info-blue);
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 28px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-right: 10px;
}

.step-content {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.step-status {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #f0f0f0;
    font-size: 0.85rem;
    color: var(--text-light);
}

.step-status.success {
    color: var(--success-green);
}

/* ===== Recommendation Card ===== */
.recommendation-card {
    background: linear-gradient(135deg, #fff9e6, #ffffff);
    border: 3px solid var(--primary-gold);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 8px 24px rgba(255, 222, 0, 0.3);
}

.recommendation-header {
    text-align: center;
    margin-bottom: 25px;
}

.recommendation-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 15px;
}

.recommendation-title {
    font-family: var(--font-title);
    font-size: 2rem;
    color: var(--primary-red);
    margin-bottom: 10px;
}

.recommendation-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
}

.recommendation-body {
    background: white;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.career-path {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-red);
    margin-bottom: 15px;
    text-align: center;
}

.career-desc {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.match-details {
    display: grid;
    gap: 10px;
    margin-top: 20px;
}

.match-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 8px;
}

.match-icon {
    font-size: 1.3rem;
}

.match-text {
    font-size: 0.9rem;
    color: var(--text-dark);
}

.recommendation-footer {
    text-align: center;
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--text-light);
    padding-top: 20px;
    border-top: 2px dashed var(--primary-gold);
}

/* ===== Responsive ===== */
@media (max-width: 1400px) {
    .main-stage {
        grid-template-columns: 1fr;
    }
}