/* ═══════════════════════════════════════════════════════════════════
   KONVO™ COMPONENT LIBRARY
   Cards, buttons, forms, modals, toasts, badges, nav — everything
   themed via tokens. No hardcoded colors.
   ═══════════════════════════════════════════════════════════════════ */

/* ── Reset & Box Model ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* -- Body & Base -- */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
    /* Prevent scroll chaining / bounce jank */
    overscroll-behavior: none;
}

/* Decorative background grid — isolated to its own compositing layer.
   background-attachment:fixed on body causes full repaint on EVERY scroll pixel.
   Using a fixed pseudo-element instead is GPU-accelerated and repaint-free. */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
        radial-gradient(circle at 100% 150px, rgba(13,148,136,0.06) 0%, transparent 40%),
        radial-gradient(circle at 0% 100%, rgba(6,182,212,0.04) 0%, transparent 40%),
        linear-gradient(rgba(255,255,255,0.007) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.007) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
}

html[data-theme="light"] body::before {
    background-image:
        radial-gradient(circle at 100% 150px, rgba(13,148,136,0.04) 0%, transparent 40%),
        radial-gradient(circle at 0% 100%, rgba(6,182,212,0.02) 0%, transparent 40%),
        linear-gradient(rgba(9,9,11,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(9,9,11,0.025) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-amber);
}

/* ── Layout: App Container ── */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* -- Sidebar -- */
.sidebar {
    width: var(--sidebar-width);
    border-right: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    padding: 1.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: var(--z-sidebar);
    overflow-y: auto;
    scrollbar-width: none;
    /* Use cubic-bezier directly — var() in transition causes per-frame resolution */
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    /* Own compositing layer to avoid full-page repaint on sidebar open/close */
    will-change: transform;
    /* Enable GPU-accelerated scroll on sidebar */
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.sidebar::-webkit-scrollbar { display: none; }

/* ── Brand ── */
.brand {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-style: italic;
    font-weight: 600;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand span {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-style: normal;
    background-color: var(--border-color);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    color: var(--accent-amber);
}

/* ── Nav Links ── */
.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-links li a {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.6rem 0.9rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid transparent;
    transition: var(--transition);
}

.nav-links li a:hover {
    color: var(--text-primary);
    background-color: var(--surface-hover);
    border-color: var(--border-primary);
}

.nav-links li.active a {
    color: var(--text-primary);
    background-color: var(--surface-secondary);
    border-color: var(--border-primary);
    border-left: 2px solid var(--accent-amber);
    border-radius: 0 6px 6px 0;
}

.nav-section-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 1rem 0.9rem 0.35rem;
}

.nav-footer {
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
}

.user-snippet {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar-dot {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--accent-teal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: white;
    font-weight: 600;
    flex-shrink: 0;
}

.user-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.user-name {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-id {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
}

.btn-logout {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    text-align: center;
}

.btn-logout:hover {
    border-color: var(--accent-danger);
    color: var(--accent-danger);
    background-color: rgba(234, 88, 12, 0.05);
}

/* ── Main Content ── */
.main-content {
    flex: 1;
    padding: 2rem;
    padding-left: calc(var(--sidebar-width) + 2rem);
    max-width: 1440px;
    margin: 0 auto;
    width: 100%;
    padding-top: 2.5rem;
    min-width: 0;
}

/* ── Page Header ── */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    gap: 1rem;
    flex-wrap: wrap;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* ── Cards ── */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.75rem;
    margin-bottom: 1.25rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    border-color: var(--border-secondary);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.card-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    display: block;
}

/* ── Metric Grid ── */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

.metric-item {
    border-left: 2px solid var(--border-color);
    padding-left: 1rem;
}

.metric-item.accent { border-left-color: var(--accent-amber); }
.metric-item.teal   { border-left-color: var(--accent-teal); }

.metric-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.metric-value.mono {
    font-family: var(--font-mono);
    font-size: 1.4rem;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.65rem 1.4rem;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    white-space: nowrap;
    text-decoration: none;
    letter-spacing: 0.01em;
}

.btn:hover {
    border-color: var(--border-secondary);
    background-color: var(--surface-hover);
}

.btn:focus-visible {
    outline: 2px solid var(--accent-amber);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--accent-amber);
    color: var(--bg-primary);
    border-color: var(--accent-amber);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-amber);
}

.btn-primary-glow {
    box-shadow: 0 0 20px rgba(217, 119, 6, 0.2);
}

.btn-primary-glow:hover {
    box-shadow: 0 0 30px rgba(217, 119, 6, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

.btn-ghost {
    background-color: transparent;
    border-color: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

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

.btn-danger:hover {
    background-color: transparent;
    color: var(--accent-danger);
}

.btn-sm {
    font-size: 0.72rem;
    padding: 0.4rem 0.9rem;
}

.btn-lg {
    font-size: 0.875rem;
    padding: 0.875rem 2rem;
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* ── Forms ── */
.form-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input:not([type="checkbox"]):not([type="radio"]),
textarea,
select {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
}

input[type="checkbox"],
input[type="radio"] {
    width: 1.1rem;
    height: 1.1rem;
    cursor: pointer;
    accent-color: var(--accent-amber);
    margin: 0;
    flex-shrink: 0;
}

input:not([type="checkbox"]):not([type="radio"]):focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent-amber);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.08);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

html[data-theme="light"] input:not([type="checkbox"]):not([type="radio"]),
html[data-theme="light"] textarea,
html[data-theme="light"] select {
    background-color: var(--surface-primary);
    border-color: var(--border-secondary);
}

/* ── Tags & Badges ── */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background-color: var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.tag.amber   { background-color: rgba(217,119,6,0.1);  color: var(--accent-amber); }
.tag.teal    { background-color: rgba(13,148,136,0.1);  color: var(--accent-teal); }
.tag.forest  { background-color: rgba(22,163,74,0.1);   color: var(--accent-forest); }
.tag.copper  { background-color: rgba(234,88,12,0.1);   color: var(--accent-copper); }

.badge-explain {
    cursor: pointer;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    background-color: rgba(217, 119, 6, 0.08);
    color: var(--accent-amber);
    border: 1px solid rgba(217, 119, 6, 0.2);
    transition: var(--transition);
}

.badge-explain:hover {
    background-color: rgba(217, 119, 6, 0.16);
}

/* ── Progress Bars ── */
.progress-bar {
    height: 6px;
    background-color: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 3px;
    background-color: var(--accent-amber);
    transition: width 0.6s var(--ease-spring);
}

.progress-fill.teal   { background-color: var(--accent-teal); }
.progress-fill.forest { background-color: var(--accent-forest); }
.progress-fill.copper { background-color: var(--accent-copper); }

/* ── Modal System ── */
.modal {
    position: fixed;
    inset: 0;
    background-color: var(--overlay-backdrop);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--modal-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2.25rem;
    position: relative;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95) translateY(10px);
    transition: transform 0.25s var(--ease-spring);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.close-modal {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: none;
    border: 1px solid transparent;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.close-modal:hover {
    background-color: var(--surface-hover);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.close-modal:focus-visible {
    outline: 2px solid var(--accent-amber);
    outline-offset: 2px;
}

/* ── Toast Notifications ── */
.toast-container {
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
    max-width: 380px;
    width: calc(100vw - 2.5rem);
}

.toast {
    background-color: var(--toast-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.875rem 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    animation: toastSlideIn 0.3s var(--ease-spring) forwards;
}

.toast.exiting {
    animation: toastSlideOut 0.25s ease forwards;
}

.toast-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }
.toast-body { flex: 1; line-height: 1.4; }

.toast.success { border-left: 3px solid var(--accent-success); }
.toast.error   { border-left: 3px solid var(--accent-danger); }
.toast.warning { border-left: 3px solid var(--accent-warning); }
.toast.info    { border-left: 3px solid var(--accent-primary); }

/* ── Search ── */
.search-container {
    position: relative;
}

.search-input {
    padding-right: 2.5rem;
}

.search-results-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    max-height: 360px;
    overflow-y: auto;
    z-index: var(--z-dropdown);
    display: none;
    box-shadow: var(--shadow-lg);
}

.search-results-dropdown.open { display: block; }

.search-category {
    padding: 0.5rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--surface-secondary);
}

.search-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.15s ease;
}

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

.search-item:hover {
    background-color: var(--surface-hover);
}

/* ── Sentiment Bar ── */
.sentiment-bar-container {
    height: 10px;
    background-color: var(--border-color);
    border-radius: 5px;
    display: flex;
    overflow: hidden;
    margin: 1rem 0;
}

.sentiment-seg { height: 100%; transition: width 0.4s ease; }
.sentiment-seg.positive { background-color: var(--accent-teal); }
.sentiment-seg.neutral  { background-color: var(--text-muted); }
.sentiment-seg.negative { background-color: var(--accent-danger); }

.sentiment-legend {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* ── Compatibility Bars ── */
.compatibility-row {
    display: grid;
    grid-template-columns: 180px 1fr 50px;
    align-items: center;
    gap: 1.25rem;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--border-color);
}

.comp-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.comp-bar {
    height: 6px;
    background-color: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.comp-fill {
    height: 100%;
    background-color: var(--accent-amber);
    border-radius: 3px;
    transition: width 0.8s var(--ease-spring);
}

.comp-value {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-amber);
    text-align: right;
    font-weight: 600;
}

/* ── Cookie Banner ── */
.cookie-banner-container {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(120%);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem 1.5rem;
    z-index: var(--z-toast);
    max-width: 640px;
    width: calc(100vw - 3rem);
    box-shadow: var(--shadow-lg);
    transition: transform 0.4s var(--ease-spring);
}

.cookie-banner-container.active {
    transform: translateX(-50%) translateY(0);
}

.cookie-banner-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.cookie-banner-text {
    flex: 1;
    min-width: 200px;
}

.cookie-banner-text h3 {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.cookie-banner-text p {
    font-size: 0.8rem;
    line-height: 1.5;
}

.cookie-banner-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-shrink: 0;
}

/* ── Mobile Sidebar Backdrop ── */
#sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-sidebar) - 1);
    backdrop-filter: blur(4px);
}

#sidebar-backdrop.active { display: block; }

/* ── Mobile Top Bar ── */
.mobile-top-bar {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    position: sticky;
    top: 0;
    z-index: calc(var(--z-header) + 1);
}

.btn-sidebar-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    transition: var(--transition);
}

.btn-sidebar-toggle:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

/* ── Ledger Log ── */
.ledger-list {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.ledger-item {
    border-left: 2px solid var(--accent-amber);
    padding: 0.25rem 0 0.25rem 0.875rem;
}

.ledger-meta {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    gap: 1rem;
    flex-wrap: wrap;
}

.ledger-reason {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
    line-height: 1.4;
}

/* ── Password Strength ── */
.password-strength-wrapper {
    margin-top: 0.5rem;
}

.password-strength-bar-container {
    height: 4px;
    background-color: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 0.4rem;
}

.password-strength-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.3s ease, background-color 0.3s ease;
    width: 0%;
}

.password-strength-feedback {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

.password-reqs {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.req-item {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
}

.req-item.valid { color: var(--accent-success); }

/* ── Validation Messages ── */
.validation-msg {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    min-height: 1rem;
    transition: color 0.2s ease;
}

.validation-msg.success { color: var(--accent-success); }
.validation-msg.error   { color: var(--accent-danger); }

/* ── Option / Pill Buttons ── */
.option-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: transparent;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.option-btn:hover,
.option-btn.selected {
    border-color: var(--accent-amber);
    color: var(--accent-amber);
    background-color: rgba(217, 119, 6, 0.06);
}

/* ── Suggest Username Btn ── */
.btn-suggest-username {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    background: none;
    border: 1px solid rgba(217,119,6,0.3);
    color: var(--accent-amber);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-suggest-username:hover {
    background-color: rgba(217, 119, 6, 0.08);
}

/* ── Phone Input Wrapper ── */
.phone-input-wrapper {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.phone-input-wrapper:focus-within {
    border-color: var(--accent-amber);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.08);
}

.country-select-container {
    position: relative;
    flex-shrink: 0;
}

.country-select-btn {
    height: 100%;
    padding: 0.75rem 0.875rem;
    background-color: var(--surface-secondary);
    border: none;
    border-right: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    white-space: nowrap;
    transition: background-color 0.15s;
}

.country-select-btn:hover {
    background-color: var(--surface-hover);
}

.country-dropdown-list {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: var(--z-dropdown);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    max-height: 240px;
    overflow-y: auto;
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    margin-top: 4px;
}

.country-dropdown-list.hidden { display: none; }

.country-item {
    padding: 0.6rem 1rem;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background-color 0.15s;
}

.country-item:hover,
.country-item.active {
    background-color: var(--surface-hover);
    color: var(--accent-amber);
}

.phone-input-wrapper input {
    border: none;
    border-radius: 0;
    flex: 1;
    background-color: transparent;
}

.phone-input-wrapper input:focus {
    box-shadow: none;
    border-color: transparent;
}

/* ── Hidden Utility ── */
.hidden { display: none !important; }

/* ── Theme Toggle Button ── */
.btn-theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 6px;
    padding: 0.4rem 0.75rem;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-theme-toggle:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

/* ── Worlds First Badge ── */
.worlds-first-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: rgba(13, 148, 136, 0.06);
    border: 1px solid rgba(13, 148, 136, 0.2);
    color: var(--accent-teal);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 0.35rem 0.8rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ── Splash Loader ── */
.splash-loader {
    position: fixed;
    inset: 0;
    background-color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-splash);
    transition: opacity 0.6s ease;
}

.splash-loader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.splash-loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0;
}

.loader-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-style: italic;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    margin-top: 1.25rem;
    background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent-amber));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loader-subtitle {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.loader-progress-bar {
    width: 180px;
    height: 2px;
    background-color: var(--border-color);
    border-radius: 1px;
    margin-top: 1.25rem;
    overflow: hidden;
}

.loader-progress-fill {
    width: 40%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-teal), var(--accent-cyan));
    border-radius: 1px;
    animation: loaderProgressAnim 2s infinite ease-in-out;
}

/* ── Auth Container ── */
.auth-container {
    max-width: 460px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1.75rem;
}

.auth-tab {
    padding: 0.7rem;
    text-align: center;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    background-color: transparent;
    transition: var(--transition);
    user-select: none;
}

.auth-tab:hover { color: var(--text-primary); background-color: var(--surface-hover); }

.auth-tab.active {
    color: var(--text-primary);
    background-color: var(--surface-secondary);
    font-weight: 600;
}

/* ── Rating Popup ── */
.rating-popup {
    position: fixed;
    bottom: 1.5rem;
    left: 1.5rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    z-index: var(--z-toast);
    width: 280px;
    box-shadow: var(--shadow-lg);
}

.rating-popup-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.rating-popup-sub {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0.4rem 0 0.875rem;
    line-height: 1.4;
}

.star-rating-row {
    display: flex;
    gap: 0.375rem;
    margin-bottom: 0.875rem;
}

.star-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.4;
    transition: opacity 0.15s, transform 0.15s;
    padding: 0.1rem;
}

.star-btn:hover,
.star-btn.active {
    opacity: 1;
    transform: scale(1.15);
}

.rating-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

/* ── Discovery / Swipe Cards ── */
.swipe-card {
    border: 1px solid var(--border-color);
    background: var(--surface-primary);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    padding: 1.75rem;
    text-align: center;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.swipe-card:hover {
    border-color: var(--border-secondary);
    transform: translateY(-1px);
}

.swipe-card-avatar {
    width: 88px;
    height: 88px;
    margin: 0 auto 1.25rem;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background-color: var(--surface-secondary);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.swipe-buttons {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    margin-top: 1.25rem;
}

.swipe-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    transition: var(--transition);
    background-color: var(--bg-primary);
}

.swipe-btn.pass {
    color: var(--accent-danger);
    border-color: rgba(234, 88, 12, 0.3);
}

.swipe-btn.pass:hover {
    background-color: rgba(234, 88, 12, 0.08);
    transform: scale(1.1);
}

.swipe-btn.like {
    color: var(--accent-teal);
    border-color: rgba(13, 148, 136, 0.3);
}

.swipe-btn.like:hover {
    background-color: rgba(13, 148, 136, 0.08);
    transform: scale(1.1);
}

/* ── Chat Layout ── */
.chat-layout {
    display: grid;
    grid-template-rows: auto 1fr auto;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: var(--bg-tertiary);
    height: 520px;
    overflow: hidden;
}

.chat-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--surface-secondary);
}

.chat-body-history {
    padding: 1.25rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.chat-input-row {
    padding: 0.875rem 1.25rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.75rem;
    background-color: var(--surface-secondary);
}

.message-row {
    display: flex;
    flex-direction: column;
    max-width: 72%;
}

.message-row.sent    { align-self: flex-end;  align-items: flex-end; }
.message-row.received { align-self: flex-start; align-items: flex-start; }

.msg-bubble {
    padding: 0.7rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.5;
    position: relative;
}

.message-row.sent .msg-bubble {
    background-color: var(--accent-teal);
    color: white;
    border-bottom-right-radius: 2px;
}

.message-row.received .msg-bubble {
    background-color: var(--surface-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 2px;
}

.msg-receipts {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

/* ── Agent Layout ── */
.agent-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 1.5rem;
    height: calc(100vh - 160px);
}

.agent-sidebar {
    border-right: 1px solid var(--border-color);
    padding-right: 1.25rem;
    overflow-y: auto;
}

.agent-item {
    padding: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 0.625rem;
    cursor: pointer;
    transition: var(--transition);
}

.agent-item:hover,
.agent-item.active {
    background-color: var(--surface-secondary);
    border-color: var(--accent-amber);
}

.agent-chat {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-history {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--surface-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    margin-bottom: 0.875rem;
}

.chat-bubble {
    max-width: 80%;
    padding: 0.7rem 1.1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.chat-bubble.user {
    background-color: var(--border-color);
    color: var(--text-primary);
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.chat-bubble.agent {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.chat-input-area {
    display: flex;
    gap: 0.75rem;
}

.chat-input-area input { flex: 1; }

/* ── Discussions / Feed ── */
.discussion-post {
    border-bottom: 1px solid var(--border-color);
    padding: 1.75rem 0;
}

.discussion-post:last-child { border-bottom: none; }

.post-meta {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 0.625rem;
    flex-wrap: wrap;
}

.post-meta .author { color: var(--text-secondary); }

.post-meta .tag-inline {
    background-color: var(--border-color);
    color: var(--accent-amber);
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
}

.post-title {
    font-size: 1.4rem;
    margin-bottom: 0.625rem;
    line-height: 1.3;
}

.post-body {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.post-metrics {
    display: flex;
    gap: 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.post-metrics div {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    transition: color 0.15s;
}

.post-metrics div:hover { color: var(--text-secondary); }

/* ── Safety Warning ── */
.safety-warning-box {
    background-color: rgba(234, 88, 12, 0.04);
    border: 1px solid rgba(234, 88, 12, 0.18);
    color: var(--accent-danger);
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

/* ── Reaction ── */
.reaction-badge {
    background-color: var(--surface-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.1rem 0.4rem;
    font-size: 0.7rem;
    position: absolute;
    bottom: -8px;
    right: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

/* ── DNA Bar ── */
.dna-row {
    display: grid;
    grid-template-columns: 140px 1fr 40px;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.dna-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.dna-val {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-amber);
    text-align: right;
    font-weight: 600;
}