/* FitForge Agent - Milestone 1 Design System & Stylesheet */

:root {
    --bg-base: #0f172a;
    --bg-surface: #1e293b;
    --bg-surface-elevated: #283548;
    --bg-surface-subtle: #162032;
    --border-subtle: #334155;
    --border-bright: #475569;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.25);
    
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.15);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    --info: #06b6d4;
    --info-bg: rgba(6, 182, 212, 0.15);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
}

.app-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.app-header {
    background: rgba(30, 41, 59, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-group {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.brand-title {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(90deg, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.header-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    background: var(--bg-surface-elevated);
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}

/* Main Container */
.main-content {
    flex: 1;
    max-width: 1240px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.page-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Privacy Notice Banner */
.privacy-notice {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid var(--border-subtle);
    border-left: 4px solid var(--info);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: #cbd5e1;
}

.privacy-icon {
    color: var(--info);
    flex-shrink: 0;
    margin-top: 2px;
}

/* Form Container Card */
.form-container-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-md);
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.form-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.form-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.two-col-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 900px) {
    .two-col-inputs {
        grid-template-columns: 1fr;
    }
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 0.875rem;
    font-weight: 600;
    color: #e2e8f0;
}

.required-star {
    color: var(--danger);
}

.label-hint {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-dim);
}

.input-textarea, .input-text {
    width: 100%;
    background-color: var(--bg-surface-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.875rem;
    line-height: 1.5;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-textarea:focus, .input-text:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.input-textarea-sm {
    resize: vertical;
}

/* Priorities Section */
.priorities-section {
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-bottom: 1.75rem;
}

.section-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #e2e8f0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.priorities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: none;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #2563eb);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.btn-secondary {
    background: var(--bg-surface-elevated);
    color: #e2e8f0;
    border: 1px solid var(--border-bright);
}

.btn-secondary:hover {
    background: #334155;
}

.btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
}

.form-footer {
    display: flex;
    justify-content: flex-end;
}

/* Pipeline Progress Stepper */
.workflow-progress-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.progress-header h4 {
    font-size: 1rem;
    font-weight: 700;
}

#current-stage-text {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

.pipeline-stepper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.step-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.4;
    transition: opacity 0.3s;
}

.step-node.active, .step-node.completed {
    opacity: 1;
}

.step-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-surface-elevated);
    border: 2px solid var(--border-bright);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.step-node.active .step-circle {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
    box-shadow: 0 0 12px var(--primary-glow);
}

.step-node.completed .step-circle {
    border-color: var(--success);
    background: var(--success);
    color: #fff;
}

.step-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
}

.step-connector {
    flex: 1;
    height: 2px;
    background: var(--border-subtle);
}

.hidden {
    display: none !important;
}

/* Results Dashboard */
.results-dashboard {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Hero Score Card */
.assessment-hero-card {
    background: linear-gradient(135deg, #1e293b 0%, #1e1e38 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.hero-main {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.score-dial {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background: radial-gradient(circle, #0f172a 60%, #1e293b 100%);
    border: 4px solid var(--primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px var(--primary-glow);
    flex-shrink: 0;
}

.score-number {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1;
    color: #ffffff;
}

.score-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-top: 4px;
}

.hero-details {
    flex: 1;
    min-width: 280px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.recommendation-badge-wrap {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.recommendation-badge {
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.35rem 1.1rem;
    border-radius: var(--radius-full);
}

.rec-pursue {
    background: var(--success-bg);
    color: #34d399;
    border: 1px solid #10b981;
}

.rec-investigate {
    background: var(--warning-bg);
    color: #fbbf24;
    border: 1px solid #f59e0b;
}

.rec-pass {
    background: var(--danger-bg);
    color: #f87171;
    border: 1px solid #ef4444;
}

.mode-badge {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    letter-spacing: 0.02em;
}

.mode-deterministic {
    background: rgba(148, 163, 184, 0.15);
    color: #94a3b8;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.mode-gemini {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border: 1px solid #3b82f6;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.25);
}

.workflow-id-badge {
    font-size: 0.8rem;
    font-family: monospace;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.3);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.score-explanation {
    font-size: 0.95rem;
    color: #e2e8f0;
}

.uncertainty-tag {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: rgba(0,0,0,0.25);
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--warning);
}

/* Generic Content Card */
.content-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.header-icon-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-icon-title h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #f8fafc;
}

.card-body {
    font-size: 0.9rem;
    color: #cbd5e1;
}

.brief-text {
    line-height: 1.7;
}

/* Matrix Table */
.matrix-legend {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.table-responsive {
    overflow-x: auto;
}

.evidence-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

.evidence-table th {
    background: var(--bg-surface-subtle);
    color: var(--text-muted);
    padding: 0.75rem 1rem;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-subtle);
}

.evidence-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: top;
}

.req-title {
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: 0.25rem;
}

.req-category {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.evidence-quote {
    font-style: italic;
    color: #93c5fd;
    display: block;
    line-height: 1.5;
}

.classification-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
}

.class-direct {
    background: var(--success-bg);
    color: #34d399;
    border: 1px solid #059669;
}

.class-transferable {
    background: var(--info-bg);
    color: #38bdf8;
    border: 1px solid #0284c7;
}

.class-inference {
    background: var(--warning-bg);
    color: #fbbf24;
    border: 1px solid #d97706;
}

.class-missing {
    background: rgba(148, 163, 184, 0.15);
    color: #94a3b8;
    border: 1px solid #475569;
}

/* Two Column Grid */
.two-col-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 860px) {
    .two-col-grid {
        grid-template-columns: 1fr;
    }
}

/* Bullet Lists */
.bullet-list, .action-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-left: 1.25rem;
}

.positive-list li::marker {
    color: var(--success);
}

.warning-list li::marker {
    color: var(--warning);
}

.risk-list li::marker {
    color: var(--danger);
}

.question-list li::marker {
    color: var(--info);
}

.action-list li::marker {
    font-weight: 700;
    color: var(--primary);
}

/* STAR Preparation Cards */
.star-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.star-card {
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.star-badge {
    align-self: flex-start;
    font-size: 0.7rem;
    font-weight: 800;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    color: #fff;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
}

.star-text {
    font-size: 0.85rem;
    color: #e2e8f0;
    line-height: 1.5;
}

/* Audit Trail */
.audit-trail-card {
    background: var(--bg-surface-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.audit-trail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.audit-title-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.audit-title-group h3 {
    font-size: 1rem;
    font-weight: 700;
}

.audit-count {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.timeline-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    padding-left: 1rem;
}

.timeline-list::before {
    content: '';
    position: absolute;
    top: 5px;
    bottom: 5px;
    left: 17px;
    width: 2px;
    background: var(--border-subtle);
}

.timeline-item {
    display: flex;
    gap: 1.25rem;
    position: relative;
}

.timeline-marker {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    margin-top: 6px;
    flex-shrink: 0;
    z-index: 1;
    box-shadow: 0 0 6px var(--primary);
}

.timeline-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    flex: 1;
}

.timeline-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.35rem;
    flex-wrap: wrap;
}

.timeline-agent {
    font-weight: 700;
    font-size: 0.8rem;
    color: #f8fafc;
}

.state-chip {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
}

.state-chip-prev {
    background: #334155;
    color: #94a3b8;
}

.state-chip-curr {
    background: #1e3a8a;
    color: #93c5fd;
}

.state-completed {
    background: #064e3b;
    color: #6ee7b7;
}

.state-failed {
    background: #7f1d1d;
    color: #fca5a5;
}

.timeline-time {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-left: auto;
}

.timeline-message {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Status Chips */
.status-chip {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
}

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

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

/* Footer */
.app-footer {
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-surface);
    padding: 1.25rem 1.5rem;
    margin-top: auto;
}

.footer-container {
    max-width: 1240px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-dim);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.footer-meta {
    display: flex;
    gap: 0.5rem;
}

/* Alert Boxes */
.alert-box {
    display: flex;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.alert-error {
    background: var(--danger-bg);
    border: 1px solid var(--danger);
    color: #fca5a5;
}

.text-muted {
    color: var(--text-dim);
}