/* ==========================================================================
   FRONT AUTOMATION HUB — SHARED DESIGN TOKENS
   Used by the hub landing page and every module. Keep this the single
   source of truth for colors/fonts so new modules stay visually consistent.
   ========================================================================== */
:root {
    /* Colors */
    --bg-page: #ffffff;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f9fafb;
    --bg-recessed: #f4f5f7;
    --border-color: #e5e7eb;
    --border-color-hover: #d1d5db;

    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.12);

    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --success-border: rgba(16, 185, 129, 0.2);

    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --warning-border: rgba(245, 158, 11, 0.2);

    --danger: #f43f5e;
    --danger-bg: rgba(244, 63, 94, 0.1);
    --danger-border: rgba(244, 63, 94, 0.2);

    --text-main: #111827;
    --text-muted: #6b7280;
    --text-strong: #0f172a;
    --text-inverse: #ffffff;

    /* Typography */
    --font-heading: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* UI sizing & radius */
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    --transition-speed: 0.25s;

    /* Shadows */
    --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-premium: 0 8px 24px rgba(15, 23, 42, 0.08);
}

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

body {
    background-color: var(--bg-page);
    color: var(--text-main);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

/* ==========================================================================
   SHARED PAGE SHELL
   Every module page: .page > .back-link + .page-header (+ .tab-switcher).
   ========================================================================== */
.page {
    max-width: 880px;
    margin: 0 auto;
    padding: 48px 24px 64px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 20px;
}

.back-link:hover {
    color: var(--primary);
}

.page-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 8px;
}

.page-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary) 0%, #06b6d4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    flex-shrink: 0;
}

.page-header h1 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-strong);
}

.page-header p {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ==========================================================================
   TAB SWITCHER
   Simple pill tab control for modules with more than one view.
   ========================================================================== */
.tab-switcher {
    display: flex;
    gap: 8px;
    margin-top: 28px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0;
}

.tab-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 13.5px;
    font-weight: 600;
    padding: 10px 4px;
    margin-bottom: -1px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.tab-btn + .tab-btn {
    margin-left: 12px;
}

.tab-btn:hover {
    color: var(--text-strong);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #1f2937;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px 20px;
    box-shadow: var(--shadow-premium);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 9999;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    transform: translateY(0);
    opacity: 1;
}

.toast.hidden {
    transform: translateY(100px);
    opacity: 0;
    pointer-events: none;
}

.toast-icon {
    font-size: 18px;
    color: var(--primary);
}

.toast-message {
    font-size: 13px;
    font-weight: 500;
    color: #ffffff;
}

.toast.toast-success {
    border-left: 4px solid var(--success);
}

.toast.toast-success .toast-icon {
    color: var(--success);
}

.toast.toast-error {
    border-left: 4px solid var(--danger);
}

.toast.toast-error .toast-icon {
    color: var(--danger);
}

.toast.toast-warning {
    border-left: 4px solid var(--warning);
}

.toast.toast-warning .toast-icon {
    color: var(--warning);
}

/* ==========================================================================
   BACK TO TOP
   Injected by /shared/back-to-top.js; shown once .page-header scrolls
   out of view. Sits above the toast's bottom-right corner so they don't
   overlap.
   ========================================================================== */
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 90px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: #ffffff;
    border: none;
    box-shadow: var(--shadow-premium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease, background var(--transition-speed) ease;
    z-index: 500;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-to-top:hover {
    background: var(--primary-hover);
}

/* ==========================================================================
   CARD
   Canonical shape every module builds on: .card > .card-header + .card-body.
   .card-header h3 takes either an .icon-accent icon or a .step-num circle
   as its leading marker.
   ========================================================================== */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.card-header {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-strong);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header .header-desc {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: normal;
    margin-top: 4px;
}

.icon-accent {
    color: var(--primary);
}

.step-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-body {
    padding: 20px;
}

.card-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.badge {
    background: rgba(15, 23, 42, 0.05);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn-primary,
.btn-secondary,
.btn-success,
.btn-link {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 13px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-speed) ease;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
    padding: 10px 20px;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 9px 18px;
}

.btn-secondary:hover {
    background: rgba(15, 23, 42, 0.08);
    border-color: var(--border-color-hover);
}

.btn-success {
    background: var(--success);
    color: #ffffff;
    padding: 10px 20px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: #0d9488;
}

.btn-success:disabled,
.btn-primary:disabled {
    background: rgba(15, 23, 42, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    box-shadow: none;
    cursor: not-allowed;
}

.btn-link {
    background: transparent;
    padding: 0;
    font-size: 12px;
}

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

.btn-link.text-danger:hover {
    color: #f43f5e;
    text-decoration: underline;
}

.btn-sm {
    padding: 6px 12px !important;
    font-size: 12px !important;
    border-radius: 4px !important;
}

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