/* Postboxen v3 – Dark Theme */

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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent: #ff6b35;
    --accent-hover: #ff8555;
    --border: #2a2a2a;
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: var(--accent-hover);
}

/* ── Nav ─────────────────────────────────────────── */

nav {
    padding: 16px 0;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 16px; align-items: center; }
.nav-links a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: color 0.3s;
}
.nav-links a:hover { color: var(--text-primary); }

/* ── Container ───────────────────────────────────── */

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* ── Cards ────────────────────────────────────────── */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
    transition: border-color 0.3s ease;
}
.card:hover {
    border-color: #3a3a3a;
}
.card h2 {
    font-size: 20px;
    margin-bottom: 16px;
}
.card h3 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ── Buttons ──────────────────────────────────────── */

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}
.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(255, 107, 53, 0.4);
    color: white;
}
.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.btn-small {
    padding: 8px 16px;
    font-size: 14px;
}
.btn:disabled, .btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}
.btn-block {
    display: block;
    width: 100%;
}
.btn-large {
    padding: 16px 40px;
    font-size: 18px;
    border-radius: 10px;
}
.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ── Forms ────────────────────────────────────────── */

.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
}
.form-group textarea {
    min-height: 100px;
    resize: vertical;
}
.form-group .hint {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ── Flash Messages ───────────────────────────────── */

.flash {
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}
.flash-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--success);
}
.flash-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--error);
}

/* ── Hero (landing) ───────────────────────────────── */

.hero {
    text-align: center;
    padding: 100px 24px 60px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}
.hero h1 {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}
.hero .tagline {
    color: var(--accent);
    font-weight: 600;
    font-size: 18px;
    margin-bottom: 12px;
}
.hero p {
    color: var(--text-secondary);
    font-size: clamp(16px, 2.5vw, 20px);
    max-width: 550px;
    margin: 0 auto 36px;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Steps (landing) ─────────────────────────────── */

.steps-section {
    padding: 20px 0 40px;
}
.steps-heading {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--text-primary);
}
.steps-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}
.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    max-width: 220px;
}
.step-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 12px;
}
.step-content strong {
    display: block;
    font-size: 16px;
    margin-bottom: 4px;
}
.step-content p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
}
.step-divider {
    width: 48px;
    height: 2px;
    background: var(--border);
    flex-shrink: 0;
    margin-bottom: 24px;
}

/* ── Footer (landing) ────────────────────────────── */

.landing-footer {
    text-align: center;
    padding: 32px 24px;
    color: var(--text-secondary);
    font-size: 13px;
    border-top: 1px solid var(--border);
}

/* ── Progress Bar ─────────────────────────────────── */

.progress-bar {
    background: var(--bg-secondary);
    border-radius: 8px;
    height: 12px;
    overflow: hidden;
    margin: 8px 0 4px;
}
.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 8px;
    transition: width 0.5s ease;
}
.progress-text {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ── History List ─────────────────────────────────── */

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}
.history-item:last-child { border-bottom: none; }
.history-company {
    font-weight: 600;
}
.history-date {
    font-size: 13px;
    color: var(--text-secondary);
}
.history-score {
    font-size: 13px;
    padding: 4px 10px;
    border-radius: 12px;
    background: var(--bg-secondary);
}

/* ── Result Page ──────────────────────────────────── */

.result-section {
    margin-bottom: 32px;
}
.signal-list {
    list-style: none;
    padding: 0;
}
.signal-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.signal-list li:last-child { border-bottom: none; }
.signal-source {
    color: var(--text-secondary);
    font-size: 12px;
}

.email-preview {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 24px;
    margin: 12px 0;
    white-space: pre-wrap;
    font-size: 15px;
    line-height: 1.7;
}
.email-subject {
    font-weight: 700;
    font-size: 16px;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.qa-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
}
.qa-pass {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}
.qa-fail {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.alt-toggle {
    cursor: pointer;
    color: var(--accent);
    font-size: 14px;
    margin: 12px 0;
    display: inline-block;
}
.alt-content {
    display: none;
}
.alt-content.show {
    display: block;
}

/* ── QA Gate Banner ───────────────────────────────── */

.qa-gate {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
}
.qa-gate-pass {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
}
.qa-gate-fail {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
}
.qa-gate-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    flex-shrink: 0;
}
.qa-gate-pass .qa-gate-icon {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}
.qa-gate-fail .qa-gate-icon {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}
.qa-gate-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.qa-gate-text strong {
    font-size: 15px;
}
.qa-gate-pass .qa-gate-text strong {
    color: var(--success);
}
.qa-gate-fail .qa-gate-text strong {
    color: var(--warning);
}
.qa-gate-text span {
    font-size: 13px;
    color: var(--text-secondary);
}

.action-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 20px;
}

/* ── Feedback Form ────────────────────────────────── */

.rating-group {
    margin-bottom: 20px;
}
.rating-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
}
.rating-options {
    display: flex;
    gap: 8px;
}
.rating-options input[type="radio"] {
    display: none;
}
.rating-options label {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}
.rating-options input:checked + label {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}
.rating-options label:hover {
    border-color: var(--accent);
}

.yesno-options {
    display: flex;
    gap: 12px;
}
.yesno-options input[type="radio"] { display: none; }
.yesno-options label {
    padding: 8px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}
.yesno-options input:checked + label {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* ── Admin Table ──────────────────────────────────── */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}
.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
}
.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
th {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
}
td {
    color: var(--text-primary);
}

/* ── Loading ──────────────────────────────────────── */

.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.9);
    z-index: 200;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.loading-overlay.active {
    display: flex;
}
.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.loading-text {
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 16px;
}

/* ── Status Badge ─────────────────────────────────── */

.status {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
}
.status-done {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}
.status-processing {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}
.status-failed {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}
.status-pending {
    background: rgba(160, 160, 160, 0.15);
    color: var(--text-secondary);
}

/* ── Responsive ───────────────────────────────────── */

@media (max-width: 600px) {
    .container { padding: 24px 16px; }
    .card { padding: 20px; }
    .hero { padding: 60px 16px 40px; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .action-buttons { flex-direction: column; }
    .qa-gate { flex-wrap: wrap; }
    .qa-gate form { margin-left: 0 !important; width: 100%; }
    .qa-gate form .btn { width: 100%; }
    .nav-inner { padding: 0 16px; }
    table { font-size: 12px; }
    th, td { padding: 8px 10px; }
    .steps-grid {
        flex-direction: column;
        gap: 24px;
    }
    .step-divider {
        width: 2px;
        height: 24px;
        margin-bottom: 0;
    }
}