/* ===================================================
   WhatsGO Dashboard - Dark Editorial Design System
   Inspired by Mokkap's sharp, premium aesthetic
   =================================================== */

:root {
    /* Background layers */
    --bg-base: #08080B;
    --bg-surface: #0F0F13;
    --bg-elevated: #16161C;
    --bg-hover: #1C1C24;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-default: rgba(255, 255, 255, 0.10);
    --border-strong: rgba(255, 255, 255, 0.16);

    /* Accents */
    --accent: #C8E66A;
    --accent-hover: #D4EE85;
    --accent-warm: #FF7F6E;
    --accent-warm-hover: #FF9C8F;

    /* Status */
    --green: #34D399;
    --green-dim: rgba(52, 211, 153, 0.12);
    --yellow: #FBBF24;
    --yellow-dim: rgba(251, 191, 36, 0.12);
    --red: #F87171;
    --red-dim: rgba(248, 113, 113, 0.12);

    /* Text */
    --text-primary: #EDEDED;
    --text-secondary: #7C7C86;
    --text-muted: #3E3E48;

    /* Typography */
    --font-serif: 'Instrument Serif', serif;
    --font-sans: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

[x-cloak] { display: none !important; }

html {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Noise texture overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.022;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* Subtle ambient glow */
body::before {
    content: '';
    position: fixed;
    top: -40%;
    left: -10%;
    width: 120%;
    height: 80%;
    background: radial-gradient(ellipse at 50% 0%, rgba(200, 230, 106, 0.025) 0%, transparent 65%);
    pointer-events: none;
    z-index: 0;
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-strong); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ---- App Container ---- */
.app-container {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 32px;
}

/* ---- Typography ---- */
.heading-serif {
    font-family: var(--font-serif);
    font-weight: 400;
    letter-spacing: -0.02em;
}

.heading-serif-italic {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.text-mono {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    letter-spacing: -0.02em;
}

.label {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
}

/* ---- Header ---- */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 28px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-subtle);
}

.app-logo {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1;
}

.app-logo span {
    color: var(--accent);
}

.app-subtitle {
    font-size: 0.6875rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 4px;
    font-weight: 400;
}

.api-key-input {
    padding: 8px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    width: 200px;
    outline: none;
    transition: border-color 0.2s ease;
}

.api-key-input:focus {
    border-color: var(--accent);
    color: var(--text-primary);
}

.instance-count {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--text-muted);
    padding: 5px 12px;
    border: 1px solid var(--border-subtle);
}

/* ---- Cards ---- */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 28px;
    transition: border-color 0.2s ease;
}

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

.card-title {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

/* ---- Form Elements ---- */
.input {
    width: 100%;
    padding: 10px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-default);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.2s ease;
    border-radius: 0;
}

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

.input:focus {
    border-color: var(--accent);
}

.select {
    width: 100%;
    padding: 10px 36px 10px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    outline: none;
    appearance: none;
    cursor: pointer;
    border-radius: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%237C7C86' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    transition: border-color 0.2s ease;
}

.select:focus {
    border-color: var(--accent);
}

.select option {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.checkbox-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.checkbox-wrap input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 22px;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 0;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-accent {
    background: var(--accent);
    color: #0A0A0C;
    border-color: var(--accent);
}

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

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

.btn-danger:hover {
    background: var(--accent-warm);
    color: #0A0A0C;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-default);
}

.btn-outline:hover {
    border-color: var(--text-primary);
}

.btn-sm {
    padding: 7px 16px;
    font-size: 0.75rem;
}

.btn:disabled {
    opacity: 0.25;
    cursor: not-allowed;
    pointer-events: none;
}

/* ---- Status ---- */
.status-dot {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-family: var(--font-sans);
}

.status-dot::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-connected { color: var(--green); }
.status-connected::before {
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
}

.status-connecting, .status-pairing { color: var(--yellow); }
.status-connecting::before, .status-pairing::before {
    background: var(--yellow);
    box-shadow: 0 0 8px var(--yellow);
    animation: pulse-dot 1.5s ease infinite;
}

.status-disconnected, .status-created { color: var(--text-muted); }
.status-disconnected::before, .status-created::before {
    background: var(--text-muted);
}

.status-error, .status-logged_out { color: var(--red); }
.status-error::before, .status-logged_out::before {
    background: var(--red);
    box-shadow: 0 0 8px var(--red);
}

/* ---- Table ---- */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    border-bottom: 1px solid var(--border-default);
}

.data-table th {
    padding: 14px 20px;
    text-align: left;
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.data-table th:last-child { text-align: right; }

.data-table td {
    padding: 16px 20px;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-subtle);
}

.data-table tbody tr {
    position: relative;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.data-table tbody tr::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.data-table tbody tr:hover {
    background: var(--bg-elevated);
}

.data-table tbody tr:hover::before {
    opacity: 1;
}

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

/* ---- Error Banner ---- */
.error-banner {
    background: var(--red-dim);
    border: 1px solid rgba(248, 113, 113, 0.2);
    padding: 12px 20px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--red);
    font-size: 0.875rem;
}

.error-banner button {
    background: none;
    border: none;
    color: var(--red);
    font-size: 1.25rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.error-banner button:hover {
    opacity: 1;
}

/* ---- QR Code Area ---- */
.qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 0;
}

.qr-container img {
    width: 240px;
    height: 240px;
    border: 1px solid var(--border-default);
    filter: invert(1);
}

.qr-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.spinner {
    width: 28px;
    height: 28px;
    border: 2px solid var(--border-default);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 12px;
}

.connected-icon {
    width: 48px;
    height: 48px;
    border: 1px solid rgba(52, 211, 153, 0.2);
    background: rgba(52, 211, 153, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

/* ---- Webhook Item ---- */
.webhook-item {
    padding: 14px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: border-color 0.2s ease;
}

.webhook-item:hover {
    border-color: var(--border-default);
}

/* ---- Text Links ---- */
.text-link {
    color: var(--accent);
    font-size: 0.8125rem;
    font-family: var(--font-sans);
    background: none;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s ease;
    padding: 0;
}

.text-link:hover { opacity: 0.75; }

.text-link-danger { color: var(--accent-warm); }

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ---- Back Button ---- */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-family: var(--font-sans);
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: color 0.2s ease;
}

.back-btn:hover { color: var(--accent); }

.back-btn svg {
    width: 16px;
    height: 16px;
}

/* ---- Detail Header ---- */
.detail-name {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.detail-phone {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ---- Animations ---- */
@keyframes fade-up {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

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

.animate-in { animation: fade-up 0.5s cubic-bezier(0.16, 1, 0.3, 1) both; }
.animate-in-delay-1 { animation: fade-up 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.07s both; }
.animate-in-delay-2 { animation: fade-up 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.14s both; }
.animate-in-delay-3 { animation: fade-up 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.21s both; }

/* ---- Login Screen ---- */
.login-screen {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-base);
}

.login-card {
    width: 100%;
    max-width: 380px;
    padding: 0 24px;
    text-align: center;
}

.login-logo {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--text-primary);
    letter-spacing: -0.04em;
    line-height: 1;
}

.login-logo span {
    color: var(--accent);
}

.login-subtitle {
    font-size: 0.6875rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-top: 8px;
    font-weight: 400;
}

.login-form {
    margin-top: 48px;
}

.login-field {
    text-align: left;
}

.login-input {
    width: 100%;
    padding: 14px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-default);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    outline: none;
    transition: border-color 0.2s ease;
    border-radius: 0;
}

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

.login-input:focus {
    border-color: var(--accent);
}

.login-input-error {
    border-color: var(--red) !important;
}

.login-error {
    color: var(--red);
    font-size: 0.8125rem;
    margin-top: 12px;
    text-align: left;
}

.login-btn {
    width: 100%;
    margin-top: 32px;
    padding: 14px 22px;
    font-size: 0.875rem;
    position: relative;
}

.login-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(10, 10, 12, 0.3);
    border-top-color: #0A0A0C;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ---- Logout Button ---- */
.btn-logout {
    padding: 6px 16px;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    color: var(--accent-warm);
    border-color: var(--accent-warm);
}

/* ---- Stats Bar ---- */
.stats-bar {
    display: flex;
    gap: 1px;
    background: var(--border-subtle);
    border: 1px solid var(--border-subtle);
}

.stat-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 20px 16px;
    background: var(--bg-surface);
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* ---- Badge ---- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.badge-meta {
    background: rgba(59, 130, 246, 0.12);
    color: #60A5FA;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* ---- Insights Grid ---- */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1px;
    background: var(--border-subtle);
    border: 1px solid var(--border-subtle);
}

.insight-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 18px 12px;
    background: var(--bg-elevated);
}

.insight-card-highlight {
    background: rgba(200, 230, 106, 0.04);
}

.insight-value {
    font-family: var(--font-mono);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1;
}

.insight-label {
    font-family: var(--font-sans);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-align: center;
}

.insight-card-highlight .insight-value {
    color: var(--accent);
}

/* ---- Stats Meta variant ---- */
.stat-value-meta {
    color: #60A5FA;
}

/* ---- Filter Bar ---- */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.filter-search-wrap {
    position: relative;
    flex: 1;
    min-width: 220px;
}

.filter-search-icon {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    pointer-events: none;
}

.filter-search-input {
    width: 100%;
    padding: 10px 0 10px 26px;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-default);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.2s ease;
    border-radius: 0;
}

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

.filter-search-input:focus {
    border-color: var(--accent);
}

.filter-status-wrap {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-subtle);
    flex-shrink: 0;
}

.filter-chip {
    padding: 7px 14px;
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-right: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.filter-chip:last-child {
    border-right: none;
}

.filter-chip:hover {
    color: var(--text-secondary);
    background: var(--bg-elevated);
}

.filter-chip-active {
    color: var(--accent);
    background: var(--bg-surface);
}

.filter-chip-count {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--text-muted);
    opacity: 0.7;
}

.filter-chip-active .filter-chip-count {
    color: var(--accent);
    opacity: 0.6;
}

/* ---- Tab Navigation ---- */
.tab-nav {
    display: flex;
    gap: 0;
    border: 1px solid var(--border-subtle);
}

.tab-btn {
    padding: 7px 20px;
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-right: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:last-child {
    border-right: none;
}

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

.tab-btn-active {
    color: var(--accent);
    background: var(--bg-surface);
}

/* ---- Overview Chart ---- */
.overview-chart-wrap {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 28px;
}

.overview-chart-wrap canvas {
    width: 100% !important;
    max-height: 320px;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .app-container {
        padding: 16px;
    }

    .app-header {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }

    .api-key-input {
        width: 100%;
    }

    .detail-name {
        font-size: 1.5rem;
    }

    .data-table th,
    .data-table td {
        padding: 12px 14px;
    }

    .stats-bar {
        flex-wrap: wrap;
    }

    .stat-item {
        min-width: calc(33% - 1px);
    }
}