/* AgentKey - UI Design System */
/* Following StrongDM AI Bootstrap UI Guidelines */

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

/* ============================================
   CSS CUSTOM PROPERTIES - THEMES
   ============================================ */
:root {
    /* Animation durations */
    --duration-fast: 0.15s;
    --duration-normal: 0.3s;
    --duration-slow: 0.5s;
    --duration-breathe: 3s;

    /* Font families */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', Consolas, monospace;

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;
}

/* SDM Brand Theme (Default) - Teal accent on navy */
:root, [data-theme="sdm-brand"] {
    --theme-bg: #00101b;
    --theme-bg-secondary: #081825;
    --theme-bg-tertiary: #102535;
    --theme-bg-hover: #1a3548;
    --theme-card: rgba(16, 37, 53, 0.5);

    --theme-text: #f0f6fa;
    --theme-text-secondary: #b8d4e8;
    --theme-text-muted: #6b9fc4;
    --theme-text-dim: #3d7ba8;
    --theme-text-faint: #2a5f8a;

    --theme-accent: #22a6b8;
    --theme-accent-dim: #1a8595;
    --theme-accent-muted: rgba(34, 166, 184, 0.2);

    --theme-border: #1a4566;
    --theme-border-dim: #0f2d44;
    --theme-border-faint: #081825;
}

/* Original Theme - Purple accent on blue-black */
[data-theme="original"] {
    --theme-bg: #080d16;
    --theme-bg-secondary: #0d1424;
    --theme-bg-tertiary: #1e293b;
    --theme-bg-hover: #334155;
    --theme-card: rgba(30, 41, 59, 0.5);

    --theme-text: #f1f5f9;
    --theme-text-secondary: #cbd5e1;
    --theme-text-muted: #94a3b8;
    --theme-text-dim: #64748b;
    --theme-text-faint: #475569;

    --theme-accent: #a855f7;
    --theme-accent-dim: #7c3aed;
    --theme-accent-muted: rgba(168, 85, 247, 0.2);

    --theme-border: #334155;
    --theme-border-dim: #1e293b;
    --theme-border-faint: #0f172a;
}

/* Ember Theme - Amber accent on warm black */
[data-theme="ember"] {
    --theme-bg: #0f0d0a;
    --theme-bg-secondary: #1a1612;
    --theme-bg-tertiary: #292524;
    --theme-bg-hover: #44403c;
    --theme-card: rgba(41, 37, 36, 0.5);

    --theme-text: #faf5f0;
    --theme-text-secondary: #e7e5e4;
    --theme-text-muted: #a8a29e;
    --theme-text-dim: #78716c;
    --theme-text-faint: #57534e;

    --theme-accent: #f59e0b;
    --theme-accent-dim: #d97706;
    --theme-accent-muted: rgba(245, 158, 11, 0.2);

    --theme-border: #44403c;
    --theme-border-dim: #292524;
    --theme-border-faint: #1c1917;
}

/* Terminal Theme - Cyan accent on true black */
[data-theme="terminal"] {
    --theme-bg: #000000;
    --theme-bg-secondary: #0a1214;
    --theme-bg-tertiary: #164e63;
    --theme-bg-hover: #155e75;
    --theme-card: rgba(22, 78, 99, 0.5);

    --theme-text: #e0f2fe;
    --theme-text-secondary: #bae6fd;
    --theme-text-muted: #7dd3fc;
    --theme-text-dim: #38bdf8;
    --theme-text-faint: #0ea5e9;

    --theme-accent: #06b6d4;
    --theme-accent-dim: #0891b2;
    --theme-accent-muted: rgba(6, 182, 212, 0.2);

    --theme-border: #155e75;
    --theme-border-dim: #164e63;
    --theme-border-faint: #083344;
}

/* Forest Theme - Emerald accent on deep green */
[data-theme="forest"] {
    --theme-bg: #030f0a;
    --theme-bg-secondary: #052e16;
    --theme-bg-tertiary: #064e3b;
    --theme-bg-hover: #065f46;
    --theme-card: rgba(6, 78, 59, 0.5);

    --theme-text: #ecfdf5;
    --theme-text-secondary: #d1fae5;
    --theme-text-muted: #a7f3d0;
    --theme-text-dim: #6ee7b7;
    --theme-text-faint: #34d399;

    --theme-accent: #10b981;
    --theme-accent-dim: #059669;
    --theme-accent-muted: rgba(16, 185, 129, 0.2);

    --theme-border: #065f46;
    --theme-border-dim: #064e3b;
    --theme-border-faint: #022c22;
}

/* Coral Theme - Rose accent on warm gray */
[data-theme="coral"] {
    --theme-bg: #0c0a0d;
    --theme-bg-secondary: #18181b;
    --theme-bg-tertiary: #27272a;
    --theme-bg-hover: #3f3f46;
    --theme-card: rgba(39, 39, 42, 0.5);

    --theme-text: #fdf2f4;
    --theme-text-secondary: #fecdd3;
    --theme-text-muted: #fda4af;
    --theme-text-dim: #fb7185;
    --theme-text-faint: #f43f5e;

    --theme-accent: #f43f5e;
    --theme-accent-dim: #e11d48;
    --theme-accent-muted: rgba(244, 63, 94, 0.2);

    --theme-border: #3f3f46;
    --theme-border-dim: #27272a;
    --theme-border-faint: #18181b;
}

/* Obsidian Theme - White accent on zinc */
[data-theme="obsidian"] {
    --theme-bg: #09090b;
    --theme-bg-secondary: #18181b;
    --theme-bg-tertiary: #27272a;
    --theme-bg-hover: #3f3f46;
    --theme-card: rgba(39, 39, 42, 0.5);

    --theme-text: #fafafa;
    --theme-text-secondary: #e4e4e7;
    --theme-text-muted: #a1a1aa;
    --theme-text-dim: #71717a;
    --theme-text-faint: #52525b;

    --theme-accent: #fafafa;
    --theme-accent-dim: #d4d4d8;
    --theme-accent-muted: rgba(250, 250, 250, 0.2);

    --theme-border: #3f3f46;
    --theme-border-dim: #27272a;
    --theme-border-faint: #18181b;
}

/* Semantic Colors (consistent across themes) */
:root {
    --theme-success: #22c55e;
    --theme-success-muted: rgba(34, 197, 94, 0.2);
    --theme-error: #ef4444;
    --theme-error-muted: rgba(239, 68, 68, 0.2);
    --theme-warning: #eab308;
    --theme-warning-muted: rgba(234, 179, 8, 0.2);
    --theme-info: #3b82f6;
    --theme-info-muted: rgba(59, 130, 246, 0.2);

    --theme-live-green: #22c55e;
    --theme-live-glow: rgba(34, 197, 94, 0.4);
    --theme-live-glow-strong: rgba(34, 197, 94, 0.6);

    --theme-scrollbar-thumb: var(--theme-border);
    --theme-scrollbar-thumb-hover: var(--theme-text-dim);

    --theme-selection: rgba(34, 166, 184, 0.3);
}

/* ============================================
   BASE STYLES
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--theme-text);
    background: var(--theme-bg);
    margin: 0;
    line-height: 1.6;
    font-size: 14px;
}

::selection {
    background-color: var(--theme-selection);
}

a {
    color: var(--theme-accent);
    text-decoration: none;
    transition: color var(--duration-fast);
}

a:hover {
    color: var(--theme-accent-dim);
    text-decoration: underline;
}

code, pre {
    font-family: var(--font-mono);
    font-size: 0.9em;
}

code {
    background: var(--theme-bg-tertiary);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    color: var(--theme-text-secondary);
}

pre {
    background: var(--theme-bg-secondary);
    border: 1px solid var(--theme-border);
    padding: 1rem;
    border-radius: var(--radius-lg);
    overflow-x: auto;
}

pre code {
    background: none;
    padding: 0;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background-color: var(--theme-scrollbar-thumb);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--theme-scrollbar-thumb-hover);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes breathe {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.15); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes highlightFade {
    0% { background-color: var(--theme-accent-muted); }
    100% { background-color: transparent; }
}

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

.animate-breathe {
    animation: breathe var(--duration-breathe) ease-in-out infinite;
}

.animate-slide-up {
    animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.animate-highlight {
    animation: highlightFade 3s ease-out forwards;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.main-content {
    min-height: calc(100vh - 140px);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    background: var(--theme-bg-secondary);
    border-bottom: 1px solid var(--theme-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.75rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--theme-text);
    text-decoration: none;
}

.nav-brand .logo:hover {
    text-decoration: none;
}

.logo-icon {
    display: flex;
    align-items: center;
    color: var(--theme-accent);
}

.nav-links {
    display: flex;
    gap: 1rem;
}

.nav-link {
    color: var(--theme-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    transition: all var(--duration-fast);
}

.nav-link:hover {
    color: var(--theme-text);
    background: var(--theme-bg-hover);
    text-decoration: none;
}

.nav-link-primary {
    background: var(--theme-accent);
    color: white !important;
}

.nav-link-primary:hover {
    background: var(--theme-accent-dim);
}

.nav-search {
    flex: 1;
    max-width: 400px;
    margin-left: auto;
}

.search-form {
    display: flex;
    gap: 0.5rem;
}

.search-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    background: var(--theme-bg-tertiary);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-md);
    color: var(--theme-text);
    font-size: 0.875rem;
    font-family: var(--font-sans);
}

.search-input::placeholder {
    color: var(--theme-text-dim);
}

.search-input:focus {
    outline: none;
    border-color: var(--theme-accent);
    box-shadow: 0 0 0 3px var(--theme-accent-muted);
}

.search-button {
    padding: 0.5rem 1rem;
    background: var(--theme-bg-hover);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-md);
    color: var(--theme-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
}

.search-button:hover {
    background: var(--theme-accent);
    border-color: var(--theme-accent);
    color: white;
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Theme Selector */
.theme-selector {
    position: relative;
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.625rem;
    background: var(--theme-bg-hover);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-full);
    color: var(--theme-text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--duration-fast);
}

.theme-toggle:hover {
    border-color: var(--theme-text-dim);
    color: var(--theme-text-secondary);
}

.theme-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--theme-bg-secondary);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    min-width: 180px;
    padding: 0.25rem 0;
    z-index: 1000;
    animation: fadeIn 0.15s ease-out;
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: none;
    border: none;
    color: var(--theme-text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--duration-fast);
    text-align: left;
}

.theme-option:hover {
    background: var(--theme-bg-hover);
    color: var(--theme-text);
}

.theme-option.active {
    background: var(--theme-accent-muted);
    color: var(--theme-accent);
}

.theme-swatch {
    width: 1rem;
    height: 1rem;
    border-radius: var(--radius-full);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.theme-default-tag {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--theme-text-dim);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--theme-bg-secondary);
    border-top: 1px solid var(--theme-border);
    padding: 2rem 1rem;
    margin-top: 3rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--theme-text);
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0 0 0.75rem 0;
}

.footer-section p {
    color: var(--theme-text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--theme-text-muted);
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--theme-accent);
}

.footer-bottom {
    max-width: 1200px;
    margin: 2rem auto 0 auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--theme-border);
    text-align: center;
}

.footer-bottom p {
    color: var(--theme-text-dim);
    font-size: 0.8125rem;
    margin: 0;
}

.footer-bottom a {
    color: var(--theme-accent);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font-sans);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--duration-fast);
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    background: var(--theme-accent);
    color: white;
    border-color: var(--theme-accent);
}

.btn-primary:hover {
    background: var(--theme-accent-dim);
    border-color: var(--theme-accent-dim);
    color: white;
}

.btn-secondary {
    background: var(--theme-bg-tertiary);
    color: var(--theme-text-secondary);
    border-color: var(--theme-border);
}

.btn-secondary:hover {
    background: var(--theme-bg-hover);
    color: var(--theme-text);
}

.btn-danger {
    background: var(--theme-error);
    color: white;
    border-color: var(--theme-error);
}

.btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-block {
    width: 100%;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    color: var(--theme-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--theme-bg-tertiary);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-md);
    color: var(--theme-text);
    font-size: 0.875rem;
    font-family: var(--font-sans);
    transition: all var(--duration-fast);
}

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

.form-input:focus {
    outline: none;
    border-color: var(--theme-accent);
    box-shadow: 0 0 0 3px var(--theme-accent-muted);
}

.form-input:disabled {
    background: var(--theme-bg-secondary);
    color: var(--theme-text-dim);
    cursor: not-allowed;
}

.form-input-mono {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

select.form-input {
    cursor: pointer;
}

.form-hint {
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--theme-text-dim);
}

.form-group-checkbox {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-group-checkbox label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.form-group-checkbox input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--theme-accent);
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    padding: 0.875rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.alert-success {
    background: var(--theme-success-muted);
    border-color: var(--theme-success);
    color: var(--theme-success);
}

.alert-warning {
    background: var(--theme-warning-muted);
    border-color: var(--theme-warning);
    color: var(--theme-warning);
}

.alert-error {
    background: var(--theme-error-muted);
    border-color: var(--theme-error);
    color: var(--theme-error);
}

.alert-info {
    background: var(--theme-info-muted);
    border-color: var(--theme-info);
    color: var(--theme-info);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    background: var(--theme-bg-hover);
    color: var(--theme-text-muted);
}

.badge-human {
    background: var(--theme-info-muted);
    color: var(--theme-info);
}

.badge-assistant {
    background: var(--theme-accent-muted);
    color: var(--theme-accent);
}

.badge-tool {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.badge-orchestrator {
    background: rgba(168, 85, 247, 0.2);
    color: #a855f7;
}

.badge-service {
    background: rgba(6, 182, 212, 0.2);
    color: #06b6d4;
}

.badge-bot {
    background: rgba(236, 72, 153, 0.2);
    color: #ec4899;
}

.badge-primary {
    background: var(--theme-accent);
    color: white;
}

.badge-revoked {
    background: var(--theme-error-muted);
    color: var(--theme-error);
}

.badge-verified {
    background: var(--theme-success-muted);
    color: var(--theme-success);
}

.badge-pending {
    background: var(--theme-warning-muted);
    color: var(--theme-warning);
}

.badge-failed {
    background: var(--theme-error-muted);
    color: var(--theme-error);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--theme-card);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
}

/* ============================================
   HOME PAGE
   ============================================ */
.hero {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(180deg, var(--theme-bg-secondary) 0%, var(--theme-bg) 100%);
    border-bottom: 1px solid var(--theme-border);
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hero-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 1rem 0;
    color: var(--theme-text);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--theme-text-muted);
    margin: 0 0 2rem 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    padding: 1.5rem 0;
    margin-bottom: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--theme-accent);
    font-family: var(--font-mono);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--theme-text-muted);
    margin-top: 0.25rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.section {
    padding: 3rem 0;
}

.section-alt {
    background: var(--theme-bg-secondary);
}

.section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    color: var(--theme-text);
}

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

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: var(--theme-text);
}

.section-subtitle {
    color: var(--theme-text-muted);
    font-size: 0.9375rem;
    margin: -0.5rem 0 1.5rem 0;
}

.section-footer {
    margin-top: 1.5rem;
    text-align: center;
}

/* Code Example */
.code-example {
    background: var(--theme-bg);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.code-example pre {
    margin: 0;
    padding: 1.25rem;
    overflow-x: auto;
}

.code-example code {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--theme-text-secondary);
    line-height: 1.6;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.feature-card {
    background: var(--theme-card);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem auto;
    background: var(--theme-accent-muted);
    border-radius: var(--radius-lg);
    color: var(--theme-accent);
}

.feature-icon svg {
    stroke: currentColor;
}

.feature-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    color: var(--theme-text);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--theme-text-muted);
    margin: 0;
}

/* ============================================
   AGENT CARDS
   ============================================ */
.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.agents-grid-compact {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 0.75rem;
}

.agent-card {
    background: var(--theme-card);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    transition: all var(--duration-fast);
}

.agent-card:hover {
    border-color: var(--theme-accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.agent-card-header {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.agent-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
    flex-shrink: 0;
}

.agent-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--theme-bg-hover);
    color: var(--theme-text-muted);
    font-weight: 600;
    font-size: 1.25rem;
}

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

.agent-name {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.agent-name a {
    color: var(--theme-text);
}

.agent-name a:hover {
    color: var(--theme-accent);
}

.agent-subject {
    margin: 0.25rem 0 0 0;
    color: var(--theme-text-dim);
    font-size: 0.8125rem;
    font-family: var(--font-mono);
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.agent-description {
    color: var(--theme-text-muted);
    font-size: 0.875rem;
    margin: 0.75rem 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.agent-card-footer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--theme-border-dim);
}

.agent-link {
    font-size: 0.8125rem;
    color: var(--theme-text-muted);
}

/* Verification badges */
.verification-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: var(--theme-success);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.625rem;
}

.verification-badge-large {
    width: 22px;
    height: 22px;
    font-size: 0.75rem;
}

.unsponsored-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: var(--theme-warning);
    color: var(--theme-bg);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
}

/* ============================================
   PROFILE PAGE
   ============================================ */
.profile-header {
    background: linear-gradient(180deg, var(--theme-bg-secondary) 0%, var(--theme-bg) 100%);
    border-bottom: 1px solid var(--theme-border);
    padding: 2.5rem 0;
}

.profile-info {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    flex-wrap: wrap;
}

.profile-avatar {
    width: 96px;
    height: 96px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--theme-border);
}

.profile-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--theme-bg-hover);
    color: var(--theme-text-muted);
    font-weight: 600;
    font-size: 2.5rem;
}

.profile-details {
    flex: 1;
    min-width: 200px;
}

.profile-name {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--theme-text);
}

.profile-subject {
    font-family: var(--font-mono);
    color: var(--theme-text-muted);
    margin: 0.25rem 0 0 0;
    font-size: 0.9375rem;
}

.profile-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.profile-link {
    color: var(--theme-text-muted);
    font-size: 0.875rem;
}

.profile-date {
    color: var(--theme-text-dim);
    font-size: 0.8125rem;
}

.sponsor-info {
    font-size: 0.875rem;
    color: var(--theme-text-muted);
    margin: 0.5rem 0 0 0;
}

.sponsor-info.unsponsored {
    color: var(--theme-warning);
}

.profile-actions {
    margin-left: auto;
}

.profile-description {
    color: var(--theme-text-secondary);
    margin: 1.5rem 0 0 0;
    max-width: 700px;
    font-size: 0.9375rem;
}

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
}

@media (max-width: 768px) {
    .profile-grid {
        grid-template-columns: 1fr;
    }
}

.profile-main h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    color: var(--theme-text);
}

.profile-main h2:not(:first-child) {
    margin-top: 2rem;
}

.profile-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar-card {
    background: var(--theme-card);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
}

.sidebar-card h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin: 0 0 0.75rem 0;
    color: var(--theme-text);
}

.sidebar-card p {
    font-size: 0.875rem;
    color: var(--theme-text-muted);
    margin: 0 0 1rem 0;
}

.code-block {
    display: block;
    background: var(--theme-bg-secondary);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    word-break: break-all;
}

/* ============================================
   KEYS LIST
   ============================================ */
.keys-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.key-card {
    background: var(--theme-card);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-lg);
    padding: 1rem;
}

.key-card-dashboard {
    background: var(--theme-bg-secondary);
}

.key-revoked {
    opacity: 0.6;
}

.key-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.key-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.key-label {
    color: var(--theme-text);
    font-weight: 500;
    font-size: 0.875rem;
}

.key-fingerprint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.key-fingerprint code {
    font-size: 0.75rem;
    color: var(--theme-text-dim);
    word-break: break-all;
}

.copy-btn {
    background: none;
    border: none;
    padding: 0.25rem;
    cursor: pointer;
    font-size: 0.875rem;
    opacity: 0.6;
    transition: opacity var(--duration-fast);
}

.copy-btn:hover {
    opacity: 1;
}

.key-meta {
    font-size: 0.8125rem;
    color: var(--theme-text-dim);
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.key-details {
    margin-top: 0.75rem;
}

.key-details summary {
    font-size: 0.8125rem;
    color: var(--theme-accent);
    cursor: pointer;
}

.key-content {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    white-space: pre-wrap;
    word-break: break-all;
}

.key-actions {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--theme-border-dim);
}

/* ============================================
   PROOFS LIST
   ============================================ */
.proofs-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.proof-card {
    background: var(--theme-card);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-lg);
    padding: 1rem;
}

.proof-card-dashboard {
    background: var(--theme-bg-secondary);
}

.proof-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.proof-type {
    font-weight: 500;
    color: var(--theme-text);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.proof-type-badge {
    background: var(--theme-bg-hover);
    color: var(--theme-text-muted);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.proof-claim {
    font-size: 0.9375rem;
    color: var(--theme-text);
    margin-bottom: 0.5rem;
}

.proof-location {
    font-size: 0.8125rem;
    margin-bottom: 0.5rem;
    word-break: break-all;
}

.proof-location a {
    color: var(--theme-accent);
}

.proof-data {
    font-size: 0.8125rem;
}

.proof-data a {
    color: var(--theme-accent);
}

.proof-verified,
.proof-meta {
    font-size: 0.8125rem;
    color: var(--theme-text-dim);
    margin-top: 0.5rem;
}

.proof-actions {
    margin-top: 0.75rem;
}

.proof-instructions {
    background: var(--theme-bg-secondary);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin: 1rem 0;
}

.proof-instructions h4 {
    margin: 0 0 0.75rem 0;
    font-size: 0.9375rem;
    color: var(--theme-text);
}

.proof-instructions ol {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--theme-text-secondary);
    font-size: 0.875rem;
}

.proof-instructions li {
    margin-bottom: 0.5rem;
}

/* DNS Lookup Styles */
.dns-record {
    display: inline-block;
    background: var(--theme-bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    margin-right: 0.5rem;
}

.dns-lookup-btn {
    margin-left: 0.5rem;
}

.dns-result {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: var(--theme-bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
}

.dns-result code {
    background: var(--theme-bg);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    word-break: break-all;
}

.dns-loading {
    color: var(--theme-text-muted);
}

.dns-verified {
    color: var(--theme-success);
}

.dns-found {
    color: var(--theme-warning);
}

.dns-not-found {
    color: var(--theme-text-muted);
}

.dns-error {
    color: var(--theme-error);
}

.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   ACTIVITY LIST
   ============================================ */
.activity-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.activity-list-small .activity-item {
    padding: 0.5rem 0;
}

.activity-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--theme-border-dim);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-action {
    color: var(--theme-text-secondary);
    font-size: 0.875rem;
}

.activity-time {
    color: var(--theme-text-dim);
    font-size: 0.8125rem;
    font-family: var(--font-mono);
}

.activity-ip {
    color: var(--theme-text-dim);
    font-size: 0.75rem;
    font-family: var(--font-mono);
}

/* Activity table */
.activity-table-container {
    overflow-x: auto;
}

.activity-table {
    width: 100%;
    border-collapse: collapse;
}

.activity-table th,
.activity-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--theme-border-dim);
}

.activity-table th {
    color: var(--theme-text-muted);
    font-weight: 500;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.activity-table td {
    font-size: 0.875rem;
    color: var(--theme-text-secondary);
}

.activity-action-badge {
    background: var(--theme-bg-hover);
    color: var(--theme-text-muted);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.activity-details {
    font-size: 0.75rem;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================
   DASHBOARD
   ============================================ */
.dashboard-header {
    background: var(--theme-bg-secondary);
    border-bottom: 1px solid var(--theme-border);
    padding: 2rem 0;
}

.dashboard-header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--theme-text);
}

.dashboard-header p {
    margin: 0.5rem 0 0 0;
    color: var(--theme-text-muted);
    font-size: 0.9375rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.dashboard-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.dashboard-nav hr {
    border: none;
    border-top: 1px solid var(--theme-border);
    margin: 0.75rem 0;
}

.dashboard-nav-link {
    padding: 0.625rem 0.875rem;
    color: var(--theme-text-muted);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--duration-fast);
}

.dashboard-nav-link:hover {
    color: var(--theme-text);
    background: var(--theme-bg-hover);
    text-decoration: none;
}

.dashboard-nav-link.active {
    color: var(--theme-accent);
    background: var(--theme-accent-muted);
}

.dashboard-main {
    min-width: 0;
}

.dashboard-welcome {
    margin-bottom: 2rem;
}

.dashboard-welcome h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--theme-text);
}

.dashboard-welcome .subject {
    margin: 0.25rem 0 0 0;
    color: var(--theme-text-dim);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--theme-card);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--theme-text);
    font-family: var(--font-mono);
}

.stat-value-verified {
    color: var(--theme-success);
}

.stat-value-pending {
    color: var(--theme-warning);
}

.stat-value-unverified {
    color: var(--theme-text-muted);
}

.stat-label {
    color: var(--theme-text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.stat-link {
    display: inline-block;
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    color: var(--theme-accent);
}

.dashboard-section {
    margin-bottom: 2rem;
}

.dashboard-section h2,
.dashboard-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    color: var(--theme-text);
}

.section-description {
    color: var(--theme-text-muted);
    font-size: 0.875rem;
    margin: -0.5rem 0 1rem 0;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

.action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: var(--theme-card);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-lg);
    color: var(--theme-text-muted);
    text-align: center;
    transition: all var(--duration-fast);
}

.action-card:hover {
    border-color: var(--theme-accent);
    color: var(--theme-text);
    text-decoration: none;
}

.action-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--theme-accent);
}

.action-icon svg {
    stroke: currentColor;
}

.action-label {
    font-size: 0.875rem;
    font-weight: 500;
}

/* ============================================
   DIRECTORY & SEARCH
   ============================================ */
.page-header {
    background: var(--theme-bg-secondary);
    border-bottom: 1px solid var(--theme-border);
    padding: 2rem 0;
}

.page-header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--theme-text);
}

.page-header p {
    margin: 0.5rem 0 0 0;
    color: var(--theme-text-muted);
    font-size: 0.9375rem;
}

.directory-filters {
    margin-bottom: 1.5rem;
}

.filter-form {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.filter-group label {
    font-size: 0.8125rem;
    color: var(--theme-text-muted);
    font-weight: 500;
}

.filter-group input,
.filter-group select {
    padding: 0.5rem 0.75rem;
    background: var(--theme-bg-tertiary);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-md);
    color: var(--theme-text);
    font-size: 0.875rem;
    font-family: var(--font-sans);
    min-width: 200px;
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--theme-accent);
}

.directory-results {
    margin-top: 1rem;
}

.results-count {
    color: var(--theme-text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--theme-border);
}

.pagination-link {
    padding: 0.5rem 1rem;
    background: var(--theme-bg-tertiary);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-md);
    color: var(--theme-text-secondary);
    font-size: 0.875rem;
}

.pagination-link:hover {
    background: var(--theme-bg-hover);
    color: var(--theme-text);
    text-decoration: none;
}

.pagination-info {
    color: var(--theme-text-muted);
    font-size: 0.875rem;
}

/* ============================================
   EMPTY STATES
   ============================================ */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--theme-text-muted);
}

.empty-state p {
    margin: 0;
    font-size: 0.9375rem;
}

.empty-state-small {
    padding: 1.5rem 1rem;
}

.empty-hint {
    font-size: 0.875rem;
    margin-top: 0.5rem !important;
    color: var(--theme-text-dim);
}

/* ============================================
   VERIFY PAGE
   ============================================ */
.verify-form {
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   STATIC PAGES
   ============================================ */
.page-header {
    background: linear-gradient(180deg, var(--theme-bg-secondary) 0%, var(--theme-bg) 100%);
    border-bottom: 1px solid var(--theme-border);
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    color: var(--theme-text);
}

.page-subtitle {
    color: var(--theme-text-muted);
    font-size: 1rem;
    margin: 0;
}

.content-prose {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.content-prose h2 {
    font-size: 1.375rem;
    font-weight: 600;
    margin: 2.5rem 0 1rem 0;
    color: var(--theme-text);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--theme-border);
}

.content-prose h2:first-child {
    margin-top: 0;
}

.content-prose h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem 0;
    color: var(--theme-text);
}

.content-prose p {
    margin: 0 0 1rem 0;
    color: var(--theme-text-secondary);
}

.content-prose ul,
.content-prose ol {
    margin: 0 0 1.5rem 0;
    padding-left: 1.5rem;
    color: var(--theme-text-secondary);
}

.content-prose li {
    margin-bottom: 0.5rem;
}

.content-prose strong {
    color: var(--theme-text);
    font-weight: 600;
}

.content-prose a {
    color: var(--theme-accent);
}

.content-prose a:hover {
    text-decoration: underline;
}

.content-prose code {
    background: var(--theme-bg-tertiary);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.875em;
    color: var(--theme-accent);
}

.content-prose pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    color: inherit;
}

.diagram-box {
    background: var(--theme-bg-secondary);
    border: 1px solid var(--theme-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin: 1.5rem 0;
    overflow-x: auto;
}

.diagram-box pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--theme-text-muted);
    line-height: 1.4;
}

/* Button outline variant */
.btn-outline {
    background: transparent;
    border: 1px solid var(--theme-border);
    color: var(--theme-text-secondary);
}

.btn-outline:hover {
    background: var(--theme-bg-hover);
    border-color: var(--theme-accent);
    color: var(--theme-text);
}

/* ============================================
   UTILITIES
   ============================================ */
.inline-form {
    display: inline;
}

.hidden {
    display: none !important;
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid var(--theme-accent);
    outline-offset: 2px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet and below (max-width: 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

    .agents-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

/* Mobile landscape and below (max-width: 768px) */
@media (max-width: 768px) {
    /* Header */
    .nav-container {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .nav-search {
        order: 3;
        flex-basis: 100%;
        max-width: 100%;
        margin-left: 0;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .nav-link {
        padding: 0.375rem 0.5rem;
        font-size: 0.8125rem;
    }

    .theme-selector .theme-label {
        display: none;
    }

    /* Hero */
    .hero {
        padding: 2rem 0;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    /* Sections */
    .section {
        padding: 2rem 0;
    }

    .section h2 {
        font-size: 1.125rem;
    }

    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .feature-card {
        padding: 1.25rem;
    }

    .feature-icon {
        width: 48px;
        height: 48px;
    }

    .feature-icon svg {
        width: 24px;
        height: 24px;
    }

    /* Agent Cards */
    .agents-grid {
        grid-template-columns: 1fr;
    }

    .agents-grid-compact {
        grid-template-columns: 1fr;
    }

    .agent-card {
        padding: 1rem;
    }

    /* Profile Page */
    .profile-header {
        padding: 1.5rem 0;
    }

    .profile-info {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .profile-avatar {
        margin: 0 auto;
    }

    .profile-details {
        text-align: center;
    }

    .profile-meta {
        justify-content: center;
        flex-wrap: wrap;
    }

    .profile-actions {
        margin-top: 1rem;
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .profile-actions .btn {
        width: 100%;
    }

    .profile-description {
        text-align: center;
    }

    .profile-main h2:not(:first-child) {
        margin-top: 1.5rem;
    }

    /* Sidebar */
    .profile-sidebar {
        margin-top: 2rem;
    }

    /* Dashboard */
    .dashboard-header {
        padding: 1.5rem 0;
    }

    .dashboard-header h1 {
        font-size: 1.5rem;
    }

    .dashboard-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 1rem;
    }

    .dashboard-nav-link {
        flex: 1 1 auto;
        text-align: center;
        padding: 0.5rem 0.75rem;
        font-size: 0.8125rem;
    }

    .dashboard-nav hr {
        display: none;
    }

    /* Forms */
    .form-row {
        flex-direction: column;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    /* Keys and Proofs */
    .key-card,
    .proof-card,
    .proof-card-dashboard {
        padding: 1rem;
    }

    .key-header,
    .proof-header {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .key-fingerprint {
        font-size: 0.7rem;
    }

    /* Code blocks */
    .code-example pre {
        padding: 1rem;
    }

    .code-example code {
        font-size: 0.75rem;
    }

    .code-block {
        font-size: 0.75rem;
        padding: 0.5rem;
    }

    /* DNS Lookup */
    .dns-record {
        display: block;
        margin-bottom: 0.5rem;
    }

    .dns-lookup-btn {
        margin-left: 0;
    }
}

/* Mobile portrait (max-width: 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .nav-brand .logo-text {
        display: none;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9375rem;
    }

    .stat-number {
        font-size: 1.25rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .btn {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }

    .btn-small {
        padding: 0.375rem 0.625rem;
        font-size: 0.75rem;
    }

    .badge {
        font-size: 0.6875rem;
        padding: 0.1875rem 0.5rem;
    }

    .profile-avatar,
    .profile-avatar-placeholder {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }

    .profile-name {
        font-size: 1.25rem;
    }

    .agent-avatar,
    .agent-avatar-placeholder {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .sidebar-card {
        padding: 1rem;
    }

    .sidebar-card h3 {
        font-size: 0.875rem;
    }

    .sidebar-card p {
        font-size: 0.8125rem;
    }

    /* Footer */
    .site-footer .container {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .footer-links {
        justify-content: center;
    }
}