/* ═══════════════════════════════════════════════════════════════════
   TomRath.org Tools — Shared Styles (Light Theme)
   Design Philosophy: Clean, minimal, editorial
   Warm cream background (#FAF8F3), gold accents (#C7963D)
   ═══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@800&display=swap');

/* ── Reset & Base ──────────────────────────────────────────────── */

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

:root {
    --bg-primary: #FAF8F3;
    --bg-secondary: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-card-hover: #FEFDFB;
    --bg-input: #FFFFFF;
    --border-subtle: #E8E6E1;
    --border-focus: #C7963D;
    --gold: #C7963D;
    --gold-light: #D9A857;
    --gold-dim: rgba(199, 150, 61, 0.1);
    --text-primary: #2D2D2D;
    --text-secondary: #5E5A54;
    --text-muted: #8A8A8A;
    --text-on-gold: #FFFFFF;
    --accent-green: #4ade80;
    --accent-blue: #60a5fa;
    --accent-red: #f87171;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --shadow-card: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.06);
    --shadow-elevated: 0 8px 24px rgba(0,0,0,0.1);
    --transition: 180ms ease;
    --max-width: 1100px;
    --font-primary: 'Inter', -apple-system, system-ui, sans-serif;
    --font-display: 'Plus Jakarta Sans', -apple-system, system-ui, sans-serif;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ── Top Navigation Bar ────────────────────────────────────────── */

.tools-topnav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #FFFFFF;
    border-bottom: 1px solid var(--border-subtle);
}

.tools-topnav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.tools-topnav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.tools-topnav-brand .brand-name {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.tools-topnav-brand .brand-separator {
    width: 6px;
    height: 6px;
    background: var(--gold);
    border-radius: 50%;
    margin: 0 8px;
}

.tools-topnav-brand .brand-section {
    font-size: 13px;
    color: var(--gold);
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.tools-topnav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tools-topnav-links a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}

.tools-topnav-links a:hover,
.tools-topnav-links a.active {
    color: var(--text-primary);
    background: #F5F3F0;
}

.tools-topnav-links a.active {
    color: var(--gold);
    text-decoration: underline;
}

.nav-user-menu {
    position: relative;
}

.nav-user-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: border-color var(--transition);
}

.nav-user-btn:hover {
    border-color: var(--border-focus);
}

.nav-user-btn .user-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gold-dim);
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
}

.nav-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-elevated);
    min-width: 180px;
    padding: 4px;
    display: none;
    z-index: 200;
}

.nav-dropdown.open {
    display: block;
}

.nav-dropdown a {
    display: block;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition);
}

.nav-dropdown a:hover {
    background: #F5F3F0;
    color: var(--text-primary);
}

.nav-dropdown .dropdown-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: 4px 0;
}

/* ── Page Layout ───────────────────────────────────────────────── */

.tools-page {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 40px 24px 80px;
}

.tools-page-narrow {
    max-width: 480px;
}

.tools-page-medium {
    max-width: 720px;
}

/* ── Page Header ───────────────────────────────────────────────── */

.page-header {
    margin-bottom: 40px;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.page-header .page-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

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

.tool-card {
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}

.tool-card:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow-card);
    transform: translateY(-1px);
}

.tool-card-icon {
    font-size: 28px;
    margin-bottom: 16px;
    display: block;
}

.tool-card-initial {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--gold-dim);
    color: var(--gold);
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.tool-card-cover {
    width: auto;
    max-width: 60px;
    height: 80px;
    object-fit: contain;
    border-radius: 3px;
    margin-bottom: 14px;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.1));
}

.tool-card-subtitle {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 10px;
}

.tool-card-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.tool-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.tool-card-link {
    display: inline-block;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gold);
    text-decoration: none;
}

.tool-card-badge {
    display: inline-block;
    margin-top: 14px;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: 12px;
    background: var(--gold-dim);
    color: var(--gold);
}

.tool-card-badge.badge-complete {
    background: rgba(74, 222, 128, 0.12);
    color: var(--accent-green);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

/* ── Section Dividers ──────────────────────────────────────────── */

.section-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: none;
}

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

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 11px 14px;
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 15px;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-dim);
}

.form-input.error {
    border-color: var(--accent-red);
}

.form-error {
    font-size: 12px;
    color: var(--accent-red);
    margin-top: 4px;
    display: none;
}

.form-error.visible {
    display: block;
}

.form-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: #1B2A4A;
    color: #FFFFFF;
}

.btn-primary:hover {
    background: #263145;
    box-shadow: 0 2px 12px rgba(27, 42, 74, 0.2);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    color: var(--text-primary);
    border-color: var(--gold);
    background: #FAF8F3;
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 7px 14px;
    font-size: 13px;
}

/* ── Auth Card (login/register) ────────────────────────────────── */

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: var(--bg-primary);
}

.auth-card {
    width: 100%;
    max-width: 420px;
}

.auth-card-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-card-header .auth-brand {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 800;
    color: var(--gold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.auth-card-header h1 {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.auth-card-header p {
    font-size: 14px;
    color: var(--text-secondary);
}

.auth-card-body {
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.auth-card-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-secondary);
}

.auth-card-footer a {
    color: var(--gold);
    text-decoration: none;
    font-weight: 500;
}

.auth-card-footer a:hover {
    text-decoration: underline;
}

.auth-alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    margin-bottom: 20px;
    display: none;
}

.auth-alert.alert-error {
    display: block;
    background: rgba(248, 113, 113, 0.1);
    color: var(--accent-red);
    border: 1px solid rgba(248, 113, 113, 0.15);
}

.auth-alert.alert-success {
    display: block;
    background: rgba(74, 222, 128, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(74, 222, 128, 0.15);
}

/* ── Dashboard Results ─────────────────────────────────────────── */

.results-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 22px;
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.result-item:hover {
    border-color: var(--gold);
    box-shadow: var(--shadow-card);
}

.result-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.result-info {
    flex: 1;
    min-width: 0;
}

.result-tool-name {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-primary);
}

.result-date {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.result-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

/* ── Empty State ───────────────────────────────────────────────── */

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

.empty-state-icon {
    font-size: 40px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state-desc {
    font-size: 14px;
    max-width: 360px;
    margin: 0 auto 20px;
}

/* ── Utilities ─────────────────────────────────────────────────── */

.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-40 { margin-top: 40px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 13px; }

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid #E8E6E1;
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(250, 248, 243, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

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

/* Tool card action buttons */
.tool-card-actions {
    display: flex;
    gap: 10px;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid #E8E6E1;
}
.tool-card-btn {
    display: inline-block;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}
.tool-card-btn--primary {
    background: #1B2A4A;
    color: #fff;
}
.tool-card-btn--primary:hover {
    background: #142038;
}
.tool-card-btn--secondary {
    background: transparent;
    color: #1B2A4A;
    border: 1px solid #D4D0C8;
}
.tool-card-btn--secondary:hover {
    border-color: #1B2A4A;
    background: #F5F5F3;
}

@media (max-width: 640px) {
    .tools-topnav-inner {
        padding: 0 16px;
    }

    .tools-page {
        padding: 24px 16px 60px;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .tools-topnav-links a span.nav-label {
        display: none;
    }

    .auth-card-body {
        padding: 24px 20px;
    }

    .page-header h1 {
        font-size: 24px;
    }
}