/* ============================================================
   SilverGhost Design System
   Premium dark UI — glass, depth, and cinematic polish.
   ============================================================ */

:root {
    /* Core palette */
    --bg-base: #08090c;
    --bg-elevated: #10121a;
    --bg-surface: #161924;
    --bg-surface-hover: #1c2030;
    --bg-input: #1a1e2c;
    
    /* Glass */
    --glass-bg: rgba(22, 25, 36, 0.72);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-border-hover: rgba(255, 255, 255, 0.10);
    
    /* Text */
    --text-primary: #f0f2f5;
    --text-secondary: #8b92a5;
    --text-tertiary: #5a6178;
    --text-inverse: #08090c;
    
    /* Accent */
    --accent: #6c8aff;
    --accent-hover: #8ba3ff;
    --accent-muted: rgba(108, 138, 255, 0.12);
    --accent-glow: rgba(108, 138, 255, 0.25);
    
    /* Semantic */
    --success: #3dd68c;
    --success-muted: rgba(61, 214, 140, 0.12);
    --warning: #f5a623;
    --warning-muted: rgba(245, 166, 35, 0.12);
    --danger: #f45b69;
    --danger-muted: rgba(244, 91, 105, 0.12);
    --info: #54b5ff;
    
    /* Borders */
    --border: rgba(255, 255, 255, 0.06);
    --border-strong: rgba(255, 255, 255, 0.10);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(108, 138, 255, 0.15);
    
    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
}

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

html {
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

::selection {
    background: var(--accent);
    color: var(--text-inverse);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.18);
}


/* ============================================================
   NAVIGATION
   ============================================================ */

.sg-navbar {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.sg-navbar__brand {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--accent);
    letter-spacing: -0.02em;
    padding-right: 24px;
    margin-right: 8px;
    border-right: 1px solid var(--border);
    white-space: nowrap;
}

.sg-navbar__links {
    display: flex;
    align-items: center;
    gap: 2px;
    overflow-x: auto;
    flex: 1;
}

.sg-navbar__link {
    color: var(--text-secondary);
    padding: 16px 16px;
    font-size: 0.87rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sg-navbar__link:hover {
    color: var(--text-primary);
}

.sg-navbar__link.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
}


/* ============================================================
   HEADER BAR
   ============================================================ */

.sg-header {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 20px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sg-header__title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.sg-header__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sg-header__user {
    font-size: 0.87rem;
    color: var(--text-secondary);
}

.sg-header__user strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Credits badge */
.sg-credits-badge {
    background: var(--success-muted);
    color: var(--success);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(61, 214, 140, 0.2);
}


/* ============================================================
   LAYOUT
   ============================================================ */

.sg-page {
    padding: 32px;
    max-width: 1440px;
    margin: 0 auto;
}

.sg-grid {
    display: grid;
    gap: 24px;
}

.sg-grid--2 { grid-template-columns: repeat(2, 1fr); }
.sg-grid--3 { grid-template-columns: repeat(3, 1fr); }
.sg-grid--4 { grid-template-columns: repeat(4, 1fr); }
.sg-grid--auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

@media (max-width: 1024px) {
    .sg-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .sg-grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sg-page { padding: 20px; }
    .sg-grid--2,
    .sg-grid--3,
    .sg-grid--4 { grid-template-columns: 1fr; }
}


/* ============================================================
   CARDS
   ============================================================ */

.sg-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: border-color var(--transition-smooth);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

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

.sg-card__title {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
    margin-bottom: 16px;
}

.sg-card__value {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    line-height: 1.1;
}

.sg-card__subtitle {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: 6px;
}


/* ============================================================
   STAT CARDS (dashboard)
   ============================================================ */

.sg-stat {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all var(--transition-smooth);
}

.sg-stat:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.sg-stat__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
}

.sg-stat__icon--accent { background: var(--accent-muted); }
.sg-stat__icon--success { background: var(--success-muted); }
.sg-stat__icon--warning { background: var(--warning-muted); }
.sg-stat__icon--danger { background: var(--danger-muted); }

.sg-stat__label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.sg-stat__number {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
}


/* ============================================================
   BUTTONS
   ============================================================ */

.sg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.87rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    line-height: 1.4;
}

.sg-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

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

.sg-btn--primary:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-glow);
}

.sg-btn--success {
    background: var(--success);
    color: var(--text-inverse);
}

.sg-btn--success:hover {
    filter: brightness(1.1);
}

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

.sg-btn--danger:hover {
    filter: brightness(1.1);
}

.sg-btn--warning {
    background: var(--warning);
    color: var(--text-inverse);
}

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

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

.sg-btn--sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.sg-btn--lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.sg-btn--icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
}

.sg-btn--icon.sg-btn--sm {
    width: 30px;
    height: 30px;
}


/* ============================================================
   FORMS
   ============================================================ */

.sg-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 20px;
}

.sg-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}

.sg-input,
.sg-select {
    padding: 11px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.93rem;
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
    width: 100%;
}

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

.sg-input::placeholder {
    color: var(--text-tertiary);
}

.sg-input--mono {
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.sg-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 640px) {
    .sg-form-row { grid-template-columns: 1fr; }
}


/* ============================================================
   TABLES
   ============================================================ */

.sg-table-wrap {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.sg-table-scroll {
    overflow-x: auto;
}

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

.sg-table th {
    text-align: left;
    padding: 14px 18px;
    background: var(--bg-surface);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.sg-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
    vertical-align: middle;
}

.sg-table tbody tr {
    transition: background var(--transition-fast);
}

.sg-table tbody tr:hover {
    background: var(--bg-surface-hover);
}

.sg-table tbody tr:last-child td {
    border-bottom: none;
}


/* ============================================================
   BADGES & PILLS
   ============================================================ */

.sg-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

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

.sg-badge--danger {
    background: var(--danger-muted);
    color: var(--danger);
}

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

.sg-badge--info {
    background: rgba(84, 181, 255, 0.12);
    color: var(--info);
}

.sg-badge--neutral {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
}

/* Online indicator dot */
.sg-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 6px;
}

.sg-dot--online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.sg-dot--offline { background: var(--danger); }
.sg-dot--idle { background: var(--warning); }
.sg-dot--unknown { background: var(--text-tertiary); }


/* ============================================================
   PASSWORD FIELD (with eye toggle)
   ============================================================ */

.sg-password {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.sg-password__value {
    color: var(--text-secondary);
}

.sg-password__value--visible {
    color: var(--accent);
}

.sg-password__toggle {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 2px;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
}

.sg-password__toggle:hover {
    color: var(--accent);
}


/* ============================================================
   ALERTS / BANNERS
   ============================================================ */

.sg-alert {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 0.87rem;
    font-weight: 500;
    display: none;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    animation: sg-slideDown 0.3s ease;
}

.sg-alert.show {
    display: flex;
}

.sg-alert--success {
    background: var(--success-muted);
    color: var(--success);
    border: 1px solid rgba(61, 214, 140, 0.2);
}

.sg-alert--error {
    background: var(--danger-muted);
    color: var(--danger);
    border: 1px solid rgba(244, 91, 105, 0.2);
}

.sg-alert--warning {
    background: var(--warning-muted);
    color: var(--warning);
    border: 1px solid rgba(245, 166, 35, 0.2);
}

.sg-alert--info {
    background: rgba(84, 181, 255, 0.08);
    color: var(--info);
    border: 1px solid rgba(84, 181, 255, 0.2);
}

/* SSL Banner */
.sg-ssl-banner {
    background: linear-gradient(135deg, var(--accent-muted), rgba(108, 138, 255, 0.04));
    border: 1px solid rgba(108, 138, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
}

.sg-ssl-banner--urgent {
    background: linear-gradient(135deg, var(--danger-muted), rgba(244, 91, 105, 0.04));
    border-color: rgba(244, 91, 105, 0.2);
}

.sg-ssl-banner__text {
    font-size: 0.87rem;
    color: var(--text-secondary);
}

.sg-ssl-banner__text strong {
    color: var(--text-primary);
}

.sg-ssl-banner__dates {
    display: flex;
    gap: 24px;
    font-size: 0.82rem;
}

.sg-ssl-banner__date {
    display: flex;
    flex-direction: column;
}

.sg-ssl-banner__date-label {
    color: var(--text-tertiary);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}


/* ============================================================
   MODALS
   ============================================================ */

.sg-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    animation: sg-fadeIn 0.2s ease;
}

.sg-modal-overlay.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sg-modal {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 32px;
    width: 90%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: sg-scaleIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.sg-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.sg-modal__title {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.sg-modal__close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: color var(--transition-fast);
}

.sg-modal__close:hover {
    color: var(--text-primary);
}


/* ============================================================
   SERVICE STATUS CARDS
   ============================================================ */

.sg-service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.sg-service-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: all var(--transition-smooth);
}

.sg-service-card:hover {
    border-color: var(--glass-border-hover);
}

.sg-service-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sg-service-card__name {
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sg-service-card__actions {
    display: flex;
    gap: 8px;
}


/* ============================================================
   FILE MANAGER
   ============================================================ */

.sg-fm {
    display: flex;
    height: calc(100vh - 56px - 73px);
}

.sg-fm__panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    min-width: 0;
}

.sg-fm__panel:last-child {
    border-right: none;
}

.sg-fm__panel-header {
    background: var(--bg-surface);
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.sg-fm__panel-title {
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sg-fm__breadcrumb {
    padding: 10px 20px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.sg-fm__breadcrumb-item {
    color: var(--accent);
    cursor: pointer;
    font-weight: 500;
}

.sg-fm__breadcrumb-sep {
    color: var(--text-tertiary);
    margin: 0 2px;
}

.sg-fm__list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.sg-fm__item {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    gap: 12px;
    cursor: pointer;
    margin-bottom: 2px;
}

.sg-fm__item:hover {
    background: var(--bg-surface-hover);
}

.sg-fm__item.selected {
    background: var(--accent-muted);
    border: 1px solid rgba(108, 138, 255, 0.2);
}

.sg-fm__item-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.sg-fm__item-name {
    flex: 1;
    font-size: 0.87rem;
    font-weight: 500;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sg-fm__item-size {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.sg-fm__item-check {
    accent-color: var(--accent);
}

.sg-fm__toolbar {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}


/* ============================================================
   SCROLLABLE LISTS (dashboard)
   ============================================================ */

.sg-scroll-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    height: 320px;
}

.sg-scroll-card__header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.sg-scroll-card__body {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.sg-scroll-card__item {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 4px;
    border-left: 3px solid var(--accent);
    background: var(--bg-surface);
}

.sg-scroll-card__item--warning {
    border-left-color: var(--warning);
}

.sg-scroll-card__item--danger {
    border-left-color: var(--danger);
}

.sg-scroll-card__item-title {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.sg-scroll-card__item-sub {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.sg-scroll-card__empty {
    text-align: center;
    color: var(--text-tertiary);
    padding: 40px 20px;
    font-size: 0.87rem;
}


/* ============================================================
   DANGER ZONE
   ============================================================ */

.sg-danger-zone {
    background: var(--danger-muted);
    border: 1px solid rgba(244, 91, 105, 0.15);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 24px;
}

.sg-danger-zone__title {
    color: var(--danger);
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.sg-danger-zone__desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 16px;
}


/* ============================================================
   EMPTY STATES
   ============================================================ */

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

.sg-empty__icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

.sg-empty__text {
    font-size: 0.93rem;
}


/* ============================================================
   SEARCH
   ============================================================ */

.sg-search {
    position: relative;
    max-width: 400px;
}

.sg-search__input {
    width: 100%;
    padding: 10px 14px 10px 38px;
    background: var(--bg-input);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.87rem;
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
}

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

.sg-search__icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 0.85rem;
    pointer-events: none;
}


/* ============================================================
   WELCOME HERO (reseller dashboard)
   ============================================================ */

.sg-hero {
    background: linear-gradient(135deg, rgba(108, 138, 255, 0.15) 0%, rgba(61, 214, 140, 0.08) 100%);
    border: 1px solid rgba(108, 138, 255, 0.12);
    border-radius: var(--radius-xl);
    padding: 36px;
    text-align: center;
    margin-bottom: 28px;
}

.sg-hero__title {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
}

.sg-hero__subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}


/* ============================================================
   SECTION DIVIDER
   ============================================================ */

.sg-section {
    margin-bottom: 32px;
}

.sg-section__title {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 18px;
}

.sg-section__subtitle {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: -12px;
    margin-bottom: 18px;
}

.sg-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 28px 0;
}


/* ============================================================
   LOADING SKELETON
   ============================================================ */

.sg-loading {
    text-align: center;
    padding: 40px;
    color: var(--text-tertiary);
    font-size: 0.87rem;
}

.sg-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-strong);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: sg-spin 0.6s linear infinite;
    margin-right: 8px;
}


/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes sg-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes sg-slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes sg-scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

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


/* ============================================================
   UTILITY
   ============================================================ */

.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-secondary); }
.text-mono { font-family: var(--font-mono); }
.text-sm { font-size: 0.82rem; }
.text-center { text-align: center; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.w-full { width: 100%; }
.hidden { display: none !important; }