@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* === VibeMoneyPro24 Demo App Styles === */
:root {
    --inv-bg: #0b0e1a;
    --inv-bg-card: #111528;
    --inv-bg-elevated: #161a30;
    --inv-border: rgba(255,255,255,0.07);
    --inv-text: #e2e4ed;
    --inv-text-dim: #6b7194;
    --inv-text-muted: #3d4263;
    --inv-primary: #6c63ff;
    --inv-primary-bg: rgba(108,99,255,0.1);
    --inv-danger: #ff4757;
    --inv-success: #2ed573;
    --inv-warning: #feca57;
    --inv-orange: #ff9f43;
    --inv-font: 'Inter', -apple-system, sans-serif;
    --inv-radius: 10px;
}

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

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

/* === NAV === */
.inv-nav {
    background: var(--inv-bg-card);
    border-bottom: 1px solid var(--inv-border);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 50;
}

.inv-nav-admin {
    border-bottom-color: rgba(255,71,87,0.2);
}

.inv-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.inv-nav .inv-container {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.inv-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--inv-text);
}

.inv-logo-icon { font-size: 1.3rem; }

.inv-nav-links {
    display: flex;
    gap: 1.25rem;
    flex: 1;
}

.inv-nav-links a {
    color: var(--inv-text-dim);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: color 0.2s;
}

.inv-nav-links a:hover { color: var(--inv-text); }

.inv-admin-link {
    color: var(--inv-danger) !important;
    font-weight: 600 !important;
}

.inv-user-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.inv-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--inv-primary-bg);
    color: var(--inv-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.inv-user-name {
    font-size: 0.88rem;
    color: var(--inv-text-dim);
}

/* === MAIN === */
.inv-main {
    padding: 2rem 0 4rem;
}

.inv-dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.inv-dashboard-header h1, .inv-admin-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.inv-admin-title { margin-bottom: 2rem; }

/* === BUTTONS === */
.inv-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--inv-font);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.55rem 1.1rem;
    border-radius: 8px;
    border: 1px solid var(--inv-border);
    background: var(--inv-bg-elevated);
    color: var(--inv-text);
    cursor: pointer;
    transition: all 0.15s;
}

.inv-btn:hover { border-color: rgba(255,255,255,0.15); }

.inv-btn-primary {
    background: var(--inv-primary);
    border-color: var(--inv-primary);
    color: #fff;
}

.inv-btn-primary:hover { opacity: 0.9; }

.inv-btn-secondary {
    background: var(--inv-primary-bg);
    border-color: rgba(108,99,255,0.2);
    color: var(--inv-primary);
}

.inv-btn-danger {
    background: rgba(255,71,87,0.1);
    border-color: rgba(255,71,87,0.2);
    color: var(--inv-danger);
}

.inv-btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.78rem;
}

/* === STATS GRID === */
.inv-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.inv-stat-card {
    background: var(--inv-bg-card);
    border: 1px solid var(--inv-border);
    border-radius: var(--inv-radius);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.inv-stat-label {
    font-size: 0.78rem;
    color: var(--inv-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.inv-stat-value {
    font-size: 1.6rem;
    font-weight: 700;
}

.inv-stat-change {
    font-size: 0.78rem;
    color: var(--inv-text-muted);
}

.inv-stat-change.positive { color: var(--inv-success); }

/* === TABLE === */
.inv-table-card {
    background: var(--inv-bg-card);
    border: 1px solid var(--inv-border);
    border-radius: var(--inv-radius);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.inv-table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--inv-border);
}

.inv-table-header h2 {
    font-size: 1rem;
    font-weight: 600;
}

.inv-search {
    font-family: var(--inv-font);
    font-size: 0.85rem;
    padding: 0.45rem 0.85rem;
    border-radius: 8px;
    border: 1px solid var(--inv-border);
    background: var(--inv-bg);
    color: var(--inv-text);
    outline: none;
    width: 220px;
}

.inv-search:focus { border-color: var(--inv-primary); }

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

.inv-table th, .inv-table td {
    padding: 0.75rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--inv-border);
    font-size: 0.88rem;
}

.inv-table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--inv-text-dim);
    font-weight: 600;
    background: rgba(255,255,255,0.02);
}

.inv-table td { color: var(--inv-text-dim); }

.inv-client-email {
    display: block;
    font-size: 0.75rem;
    color: var(--inv-text-muted);
}

/* === BADGES === */
.inv-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.inv-badge-paid { background: rgba(46,213,115,0.1); color: var(--inv-success); }
.inv-badge-pending { background: rgba(254,202,87,0.1); color: var(--inv-warning); }
.inv-badge-overdue { background: rgba(255,71,87,0.1); color: var(--inv-danger); }
.inv-badge-draft { background: rgba(255,255,255,0.05); color: var(--inv-text-dim); }
.inv-badge-pro { background: var(--inv-primary-bg); color: var(--inv-primary); }
.inv-badge-enterprise { background: rgba(255,159,67,0.1); color: var(--inv-orange); }
.inv-badge-free { background: rgba(255,255,255,0.05); color: var(--inv-text-dim); }
.inv-badge-danger { background: rgba(255,71,87,0.15); color: var(--inv-danger); }

/* === AI PANEL === */
.inv-ai-panel {
    background: var(--inv-bg-card);
    border: 1px solid var(--inv-border);
    border-radius: var(--inv-radius);
    overflow: hidden;
}

.inv-ai-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--inv-border);
}

.inv-ai-header h3 { font-size: 1rem; font-weight: 600; }
.inv-ai-icon { font-size: 1.2rem; }

.inv-ai-badge {
    margin-left: auto;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    background: rgba(46,213,115,0.1);
    color: var(--inv-success);
}

.inv-ai-body {
    padding: 1.25rem;
    max-height: 300px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.inv-ai-message {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.88rem;
    line-height: 1.5;
}

.inv-ai-bot {
    background: var(--inv-bg-elevated);
    border: 1px solid var(--inv-border);
    align-self: flex-start;
    color: var(--inv-text-dim);
}

.inv-ai-user {
    background: var(--inv-primary-bg);
    border: 1px solid rgba(108,99,255,0.15);
    align-self: flex-end;
    color: var(--inv-text);
}

.inv-ai-input-wrap {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--inv-border);
}

.inv-ai-input {
    flex: 1;
    font-family: var(--inv-font);
    font-size: 0.88rem;
    padding: 0.55rem 0.85rem;
    border-radius: 8px;
    border: 1px solid var(--inv-border);
    background: var(--inv-bg);
    color: var(--inv-text);
    outline: none;
}

/* === ADMIN: System Config === */
.inv-system-config {
    padding: 0.5rem 0;
}

.inv-config-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1.25rem;
    border-bottom: 1px solid var(--inv-border);
    font-size: 0.88rem;
}

.inv-config-key {
    color: var(--inv-text-dim);
    font-weight: 500;
}

.inv-config-val {
    color: var(--inv-text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
}

.inv-config-secret {
    color: var(--inv-danger);
    font-weight: 600;
}

.inv-key-exposed {
    color: var(--inv-danger);
    background: rgba(255,71,87,0.08);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid rgba(255,71,87,0.15);
}

/* === ADMIN: Audit Log === */
.inv-audit-log {
    padding: 0.5rem 0;
}

.inv-log-entry {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 1.25rem;
    border-bottom: 1px solid var(--inv-border);
    font-size: 0.82rem;
}

.inv-log-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--inv-text-muted);
    white-space: nowrap;
}

.inv-log-action {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    background: rgba(255,255,255,0.05);
    color: var(--inv-text-dim);
    min-width: 55px;
    text-align: center;
}

.inv-log-danger { background: rgba(255,71,87,0.15); color: var(--inv-danger); }
.inv-log-warn { background: rgba(255,159,67,0.15); color: var(--inv-orange); }

.inv-log-entry > span:last-child {
    color: var(--inv-text-dim);
}

/* === PAGINATION === */
.inv-pagination {
    padding: 0.75rem 1.25rem;
    font-size: 0.82rem;
    color: var(--inv-text-dim);
    border-top: 1px solid var(--inv-border);
}

.inv-pagination a {
    color: var(--inv-primary);
    text-decoration: none;
    font-weight: 600;
}

/* === ADMIN ACTIONS === */
.inv-admin-actions {
    display: flex;
    gap: 0.5rem;
}

/* === DEMO BANNER === */
.inv-demo-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255,71,87,0.95);
    color: white;
    text-align: center;
    padding: 0.65rem 1rem;
    font-size: 0.82rem;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.inv-demo-banner a {
    color: white;
    font-weight: 700;
    text-decoration: underline;
    margin-left: 0.5rem;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .inv-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .inv-nav .inv-container { flex-wrap: wrap; }
    .inv-nav-links { order: 3; width: 100%; overflow-x: auto; }
    .inv-table { font-size: 0.8rem; }
    .inv-config-row { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
}