/* CM-Portal — Global Stylesheet (Dark + Light Theme) */
:root, [data-theme="dark"] {
    --bg-base: #0f1117;
    --bg-surface: #161822;
    --bg-elevated: #1c1f2e;
    --bg-hover: #232738;
    --border: #2d3148;
    --text-primary: #e4e7f1;
    --text-secondary: #9ba1b8;
    --text-muted: #6b7194;
    --accent: #5b8af0;
    --accent-dim: rgba(91,138,240,0.12);
    --accent-green: #4ade80;
    --accent-red: #f87171;
    --accent-yellow: #fbbf24;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 2px 12px rgba(0,0,0,0.3);
    --font: 'DM Sans', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}
[data-theme="light"] {
    --bg-base: #f4f5f7;
    --bg-surface: #ffffff;
    --bg-elevated: #f9fafb;
    --bg-hover: #eef0f4;
    --border: #d1d5db;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --accent: #3b6fd4;
    --accent-dim: rgba(59,111,212,0.10);
    --accent-green: #16a34a;
    --accent-red: #dc2626;
    --accent-yellow: #d97706;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
    font-family: var(--font);
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

/* ─── Global Navigation ──────────────────────────────── */
.portal-nav {
    display: flex;
    align-items: center;
    padding: 0 16px;
    height: 48px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    gap: 4px;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: inherit;
    margin-right: 8px;
    padding: 4px 8px;
    border-radius: var(--radius);
    transition: background 150ms;
}
.nav-brand:hover { background: var(--bg-hover); }
.brand-icon { color: var(--accent); font-size: 16px; }
.brand-text { font-weight: 700; font-size: 14px; letter-spacing: -0.3px; }
.nav-links { display: flex; gap: 2px; }
.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 12px;
    transition: all 150ms;
}
.nav-link:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-link.active { background: var(--accent-dim); color: var(--accent); }
.nav-link-sm { font-size: 11px; padding: 4px 8px; }
.nav-spacer { flex: 1; }
.nav-right { display: flex; align-items: center; gap: 8px; }
.nav-user {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--text-primary);
    padding: 3px 8px;
    border-radius: var(--radius);
    transition: background 150ms;
}
.nav-user:hover { background: var(--bg-hover); }
.user-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--accent-dim);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 11px;
}
.user-name { font-size: 12px; font-weight: 500; }
.nav-sep {
    width: 1px;
    height: 22px;
    background: var(--border);
    margin: 0 4px;
}
.nav-module-label {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
    letter-spacing: -0.2px;
    padding: 0 4px;
}
.nav-module-label small {
    font-weight: 400;
    font-size: 10px;
    color: var(--text-muted);
    margin-left: 3px;
}
.nav-icon-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 4px 7px;
    font-size: 14px;
    cursor: pointer;
    line-height: 1;
    transition: all 150ms;
    color: var(--text-primary);
}
.nav-icon-btn:hover { background: var(--bg-hover); border-color: var(--text-muted); }

/* Theme toggle slider */
.theme-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    margin: 0;
}
.theme-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}
.theme-slider {
    position: relative;
    width: 48px;
    height: 24px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: background 200ms, border-color 200ms;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4px;
}
.theme-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: var(--text-primary);
    border-radius: 50%;
    transition: transform 200ms;
}
.theme-toggle input:checked + .theme-slider::after {
    transform: translateX(24px);
}
.theme-toggle:hover .theme-slider {
    border-color: var(--text-muted);
}
.theme-icon {
    font-size: 11px;
    line-height: 1;
    z-index: 1;
    pointer-events: none;
}

.nav-lang-select {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 11px;
    padding: 4px 6px;
    cursor: pointer;
    transition: border-color 150ms;
}
.nav-lang-select:hover { border-color: var(--text-muted); }
.nav-lang-select:focus { outline: none; border-color: var(--accent); }
.nav-lang-select option { background: var(--bg-surface); color: var(--text-primary); }

/* ─── Module Toolbar (below nav, for modules) ──────── */
.module-toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 16px;
    height: 40px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
}
.toolbar-sep {
    width: 1px;
    height: 22px;
    background: var(--border);
    margin: 0 2px;
}
.toolbar-group { display: flex; align-items: center; gap: 4px; }
.toolbar-spacer { flex: 1; }

/* ─── Main ─────────────────────────────────────────────── */
.portal-main {
    flex: 1;
    padding: 28px 24px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}
.module-main {
    flex: 1;
    overflow: hidden;
}
.portal-footer {
    padding: 12px 24px;
    text-align: center;
    font-size: 11px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}
.footer-version {
    font-family: var(--font-mono);
    font-size: 10px;
    opacity: 0.6;
    cursor: default;
}

/* ─── Page Structure ───────────────────────────────────── */
.page-container { max-width: 960px; }
.page-container.narrow { max-width: 560px; }
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
}
.page-header h1 { font-size: 20px; font-weight: 700; letter-spacing: -0.3px; }
.page-subtitle { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ─── Cards ────────────────────────────────────────────── */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
}

/* ─── Module Grid (Dashboard) ──────────────────────────── */
.module-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.module-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: all 200ms;
}
.module-card:hover {
    border-color: var(--accent);
    background: var(--bg-elevated);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.module-icon { font-size: 36px; flex-shrink: 0; }
.module-info { flex: 1; }
.module-info h3 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.module-info p { font-size: 12px; color: var(--text-secondary); line-height: 1.4; }
.module-arrow { color: var(--text-muted); font-size: 18px; transition: transform 200ms; }
.module-card:hover .module-arrow { transform: translateX(4px); color: var(--accent); }

/* ─── Admin Grid ───────────────────────────────────────── */
.admin-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.admin-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    transition: all 200ms;
}
.admin-card:hover { border-color: var(--accent); background: var(--bg-elevated); }
.admin-card-icon { font-size: 28px; }
.admin-card-info h3 { font-size: 13px; font-weight: 600; }
.admin-count { font-family: var(--font-mono); font-size: 22px; font-weight: 700; color: var(--accent); }

/* ─── Tables ───────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
    text-align: left;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
}
.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    vertical-align: middle;
}
.data-table tbody tr:hover { background: var(--bg-hover); }
.data-table .actions { text-align: right; white-space: nowrap; }
code { font-family: var(--font-mono); font-size: 12px; }

/* ─── Forms ────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 5px;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 13px;
    transition: border-color 150ms;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.input-disabled { opacity: 0.5; cursor: not-allowed; }
.input-mono { font-family: var(--font-mono); font-size: 12px; }
.form-actions { display: flex; gap: 12px; margin-top: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkbox-grid { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    cursor: pointer;
    color: var(--text-secondary);
}
.checkbox-label input[type="checkbox"] { width: auto; accent-color: var(--accent); }
hr { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.form-help { font-size: 11px; color: var(--text-muted); margin-top: 3px; }

/* ─── Buttons ──────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 14px;
    font-family: var(--font);
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-elevated);
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: none;
    transition: all 150ms;
    white-space: nowrap;
}
.btn:hover { background: var(--bg-hover); border-color: var(--text-muted); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #4a7ae0; }
.btn-danger { background: var(--accent-red); border-color: var(--accent-red); color: #fff; }
.btn-danger:hover { background: #e05050; }
.btn-sm { padding: 4px 10px; font-size: 11px; }
.btn-block { width: 100%; justify-content: center; }
.btn-microsoft { background: #2f2f2f; border-color: #2f2f2f; color: #fff; display: inline-flex; align-items: center; text-decoration: none; }
.btn-microsoft:hover { background: #404040; }
[data-theme="light"] .btn-microsoft { background: #fff; border: 1px solid #8c8c8c; color: #5e5e5e; }
[data-theme="light"] .btn-microsoft:hover { background: #f5f5f5; }
.login-divider { display: flex; align-items: center; margin: 16px 0; gap: 12px; color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.login-divider::before, .login-divider::after { content: ''; flex: 1; border-top: 1px solid var(--border); }

/* ─── Tags ─────────────────────────────────────────────── */
.tag {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 99px;
    font-size: 11px;
    font-weight: 600;
    background: var(--bg-hover);
    color: var(--text-secondary);
}
.tag-admin { background: rgba(248,113,113,0.15); color: var(--accent-red); }
.tag-manager { background: rgba(251,191,36,0.15); color: var(--accent-yellow); }
.tag-engineer { background: rgba(91,138,240,0.15); color: var(--accent); }
.tag-viewer { background: rgba(107,113,148,0.15); color: var(--text-muted); }
.tag-path { background: rgba(74,222,128,0.12); color: var(--accent-green); }
.tag-influxdb2 { background: rgba(139,92,246,0.15); color: #a78bfa; }
.tag-mysql { background: rgba(56,189,248,0.15); color: #38bdf8; }
.tag-list { display: flex; flex-wrap: wrap; gap: 5px; }

/* ─── Status Dots ──────────────────────────────────────── */
.dot-green, .dot-red { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 4px; }
.dot-green { background: var(--accent-green); }
.dot-red { background: var(--accent-red); }

/* ─── Utilities ────────────────────────────────────────── */
.text-muted { color: var(--text-muted); }
.empty-state { text-align: center; padding: 48px 24px; }
.empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state h3 { font-size: 16px; margin-bottom: 8px; }
.empty-state p { color: var(--text-secondary); font-size: 13px; }

/* ─── Flash Messages ───────────────────────────────────── */
.flash-container { padding: 10px 24px 0; max-width: 1200px; margin: 0 auto; width: 100%; }
.flash {
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 6px;
    border: 1px solid;
}
.flash-success { background: rgba(74,222,128,0.1); border-color: rgba(74,222,128,0.3); color: var(--accent-green); }
.flash-error { background: rgba(248,113,113,0.1); border-color: rgba(248,113,113,0.3); color: var(--accent-red); }
.flash-warning { background: rgba(251,191,36,0.1); border-color: rgba(251,191,36,0.3); color: var(--accent-yellow); }

/* ─── Login Page ───────────────────────────────────────── */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.login-card {
    width: 380px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow);
}
.login-brand { text-align: center; margin-bottom: 28px; }
.login-brand h1 { font-size: 22px; font-weight: 700; margin-top: 8px; }
.login-subtitle { color: var(--text-muted); font-size: 13px; margin-top: 4px; }
.login-form .form-group { margin-bottom: 14px; }
.login-form .btn { margin-top: 8px; }

/* ─── Light theme refinements ─────────────────────────── */
[data-theme="light"] .portal-nav { box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
[data-theme="light"] .module-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
[data-theme="light"] .login-card { box-shadow: 0 8px 32px rgba(0,0,0,0.10); }
[data-theme="light"] code { background: rgba(0,0,0,0.04); padding: 1px 4px; border-radius: 3px; }
[data-theme="light"] .data-table tbody tr:hover { background: #f1f3f7; }
[data-theme="light"] .tag { background: rgba(0,0,0,0.05); }
[data-theme="light"] .tag-admin { background: rgba(220,38,38,0.08); color: #b91c1c; }
[data-theme="light"] .tag-manager { background: rgba(217,119,6,0.08); color: #92400e; }
[data-theme="light"] .tag-engineer { background: rgba(59,111,212,0.08); color: #1e40af; }
[data-theme="light"] .user-avatar { background: rgba(59,111,212,0.10); color: var(--accent); }
[data-theme="light"] .module-toolbar { background: #f0f1f5; }
[data-theme="light"] .form-card { box-shadow: 0 1px 4px rgba(0,0,0,0.06); }
[data-theme="light"] .badge-danger { color: #fff; }
[data-theme="light"] .badge-success { color: #fff; }

/* ── Admin Templates: Extra Styles ──────────────────────── */
.form-card { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.form-card h3 { margin: 0 0 12px; font-size: 14px; color: var(--accent); }
.form-input, .form-select { background: var(--bg-base); border: 1px solid var(--border); color: var(--text-primary); padding: 6px 10px; border-radius: 4px; font-size: 13px; }
.form-input:focus, .form-select:focus { border-color: var(--accent); outline: none; }
.form-hint { font-size: 11px; color: var(--text-muted); display: block; margin-top: 2px; }
.form-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.form-row-inline { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.form-row-inline label { font-size: 12px; color: var(--text-secondary); }

.checkbox-group { display: flex; flex-wrap: wrap; gap: 8px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 10px; font-weight: 600; background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border); }
.badge-accent { background: var(--accent-dim); color: var(--accent); border-color: var(--accent); }
.badge-danger { background: var(--accent-red); color: #fff; border-color: var(--accent-red); }
.badge-success { background: var(--accent-green); color: #fff; border-color: var(--accent-green); }

.filter-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.pagination { display: flex; gap: 12px; align-items: center; justify-content: center; margin-top: 12px; }

.btn-sm { padding: 3px 8px; font-size: 11px; }
.btn-danger { background: var(--accent-red); color: #fff; }
.btn-danger:hover { opacity: 0.85; }
.inline-form { display: block; }

@media (max-width: 768px) {
  .form-grid-3 { grid-template-columns: 1fr; }
  .form-row-inline { flex-direction: column; }
}

/* ─── Modal (global) ───────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}
.modal {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.3);
    min-width: 440px;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.modal-header {
    display: flex;
    align-items: center;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    font-weight: 600;
}
.modal-header .modal-close {
    margin-left: auto;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 18px;
    padding: 2px 6px;
    border-radius: 4px;
}
.modal-header .modal-close:hover {
    color: #f87171;
    background: rgba(248,113,113,0.1);
}
.modal-body {
    padding: 18px;
    overflow-y: auto;
    flex: 1;
}
.modal-body h3 { margin-top: 0; font-size: 16px; }
.modal-body h4 { font-size: 13px; color: var(--accent, #5b8af0); margin: 16px 0 6px; }
.modal-body p { margin: 6px 0; }
.modal-body code { font-family: var(--font-mono); font-size: 12px; background: rgba(128,128,128,0.1); padding: 1px 5px; border-radius: 3px; }
.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 18px;
    border-top: 1px solid var(--border);
}

/* ─── Help Modal Navigation ────────────────────────────── */
.help-nav-item {
    padding: 6px 16px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 150ms;
}
.help-nav-item:hover {
    background: var(--bg-tertiary, rgba(255,255,255,0.05));
    color: var(--text-primary);
}
.help-nav-item.active {
    background: rgba(91,138,240,0.1);
    color: var(--accent, #5b8af0);
    font-weight: 600;
}