/* ==========================================================================
   Google-inspired design theme – single source of truth for app UI
   ========================================================================== */

/* Single source of truth: sidebar width */
.app-shell {
    margin-top: 0;
    --sidebar-width: 16rem;
}

.app-sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
}

/* --------------------------------------------------------------------------
   Google color palette (official)
   -------------------------------------------------------------------------- */
:root {
    --color-google-blue: #1a73e8;
    --color-google-blue-hover: #1557b0;
    --color-google-red: #ea4335;
    --color-google-yellow: #fbbc04;
    --color-google-green: #34a853;

    --color-primary: #1a73e8;
    --color-primary-hover: #1557b0;
    --color-success: #34a853;
    --color-warning: #fbbc04;
    --color-danger: #ea4335;

    --color-bg-main: #f1f3f4;
    --color-bg-page: #f1f3f4;
    --color-bg-sidebar: #ffffff;
    --color-sidebar-active: #e8f0fe;
    --color-sidebar-text: #3c4043;
    --color-bg-card: #ffffff;
    --color-border: #e0e0e0;
    --color-border-light: #e0e0e0;
    --color-text-primary: #202124;
    --color-text-secondary: #3c4043;
    --color-text-muted: #5f6368;
    --color-hover: #f8f9fa;
    --color-focus-ring: rgba(26, 115, 232, 0.2);
    --shadow-navbar: 0 1px 3px rgba(0, 0, 0, 0.12);

    /* Spacing (Google-style 8px grid) */
    --space-8: 8px;
    --space-16: 16px;
    --space-24: 24px;
    --space-32: 32px;

    /* Radius */
    --radius-button: 8px;
    --radius-card: 8px;
    --radius-input: 8px;
}

/* --------------------------------------------------------------------------
   Typography – Roboto (Google-style)
   -------------------------------------------------------------------------- */
body {
    font-family: 'Google Sans', Roboto, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Sidebar link styles */
.app-sidebar nav a {
    color: var(--color-text-secondary) !important;
    font-weight: 500;
    font-size: 14px;
    padding: 10px 24px;
    border-radius: 0 24px 24px 0;
    position: relative;
    display: block;
    transition: background-color 0.2s, color 0.2s;
}

.app-sidebar nav a:hover,
.app-sidebar nav a:focus {
    background-color: #e8f0fe !important;
    color: var(--color-primary) !important;
}

.app-sidebar nav a.active,
.app-sidebar nav a.bg-sidebar-active {
    background-color: #e8f0fe !important;
    color: var(--color-primary) !important;
    font-weight: 700;
}

.app-sidebar nav a.active::before,
.app-sidebar nav a.bg-sidebar-active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-primary);
    border-radius: 0 999px 999px 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.app-main-content {
    margin-left: 0;
    background-color: var(--color-bg-main);
    color: var(--color-text-primary);
}

@media (min-width: 768px) {
    .app-main-content {
        margin-left: var(--sidebar-width);
    }
}

.app-main {
    margin-left: 0;
    padding: var(--space-24) var(--space-16);
}

@media (min-width: 640px) {
    .app-main {
        padding-left: var(--space-24);
        padding-right: var(--space-24);
    }
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
.app-sidebar {
    background-color: var(--color-bg-sidebar);
    border-right: 1px solid var(--color-border-light);
}

.app-sidebar a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 10px 24px;
    display: flex;
    align-items: center;
    position: relative;
    border-radius: 0 24px 24px 0;
    transition: background-color 0.2s, color 0.2s;
}

.app-sidebar a:hover {
    background-color: #e8f0fe;
    color: var(--color-primary);
}

.app-sidebar a.active,
.app-sidebar a.bg-blue-100,
.app-sidebar a.bg-purple-100 {
    background-color: #e8f0fe !important;
    color: var(--color-primary) !important;
    font-weight: 700;
}

.app-sidebar a.active::before,
.app-sidebar a.bg-blue-100::before,
.app-sidebar a.bg-purple-100::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-primary);
    border-radius: 0 999px 999px 0;
}

.app-sidebar a.active svg,
.app-sidebar a.bg-blue-100 svg,
.app-sidebar a.bg-purple-100 svg {
    fill: var(--color-primary);
}

.app-sidebar svg {
    fill: var(--color-text-secondary);
}

.app-sidebar .material-icons.sidebar-link-icon {
    margin-right: 14px;
    font-size: 20px;
    line-height: 1;
    color: currentColor;
}

/* --------------------------------------------------------------------------
   Topbar
   -------------------------------------------------------------------------- */
.topbar {
    background-color: #ffffff;
    border-bottom: 1px solid var(--color-border-light);
    height: 64px;
    box-shadow: var(--shadow-navbar);
}

.topbar-inner {
    margin-left: var(--sidebar-width);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.topbar-brand {
    color: var(--color-primary);
    font-weight: 700;
    text-decoration: none;
}

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

@media (max-width: 767px) {
    .topbar-inner {
        margin-left: 0;
    }
}

.status-box {
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
}

.status-box.success {
    background: #e6f4ea;
    border-left: 4px solid #34a853;
    color: #137333;
}

.status-box.error {
    background: #fce8e6;
    border-left: 4px solid #ea4335;
    color: #c5221f;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 2px 10px;
    font-size: 12px;
    font-weight: 500;
}

.badge-yes {
    background: #e6f4ea;
    color: #137333;
}

.badge-no {
    background: #f1f3f4;
    color: #5f6368;
}

.review-stars {
    color: #fbbc04;
    letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   Cards & containers – clean, white, soft shadow, rounded
   -------------------------------------------------------------------------- */
.card {
    background-color: var(--color-bg-card);
    border-radius: 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1), 0 2px 6px rgba(0, 0, 0, 0.05);
    padding: var(--space-24);
    margin-bottom: var(--space-16);
    border: none;
    color: var(--color-text-primary);
}

.card p,
.card span,
.card a,
.card li {
    color: var(--color-text-secondary);
}

/* Top accent border (3px) for metric cards */
.card.border-left-blue,
.card.border-top-blue {
    border-top: 3px solid var(--color-primary);
}
.card.border-left-green,
.card.border-top-green {
    border-top: 3px solid var(--color-success);
}
.card.border-left-yellow,
.card.border-top-yellow {
    border-top: 3px solid var(--color-warning);
}
.card.border-left-red,
.card.border-top-red {
    border-top: 3px solid var(--color-danger);
}

.card.border-left-blue { border-left: 4px solid var(--color-primary); }
.card.border-left-green { border-left: 4px solid var(--color-success); }
.card.border-left-yellow { border-left: 4px solid var(--color-warning); }
.card.border-left-red { border-left: 4px solid var(--color-danger); }

/* --------------------------------------------------------------------------
   Buttons – 6–8px radius, primary blue, secondary outlined
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-button);
    font-weight: 500;
    font-size: 14px;
    padding: 10px 24px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
    border: none;
}

.btn-primary {
    background-color: #0052CC;
    color: #fff;
}

.btn-primary:hover {
    background-color: #003BA3;
    color: #fff;
}

.btn-secondary {
    background-color: #fff;
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: var(--color-bg-main);
    border-color: var(--color-text-muted);
}

.btn-danger {
    background-color: var(--color-danger);
    color: #fff;
}

.btn-danger:hover {
    background-color: #D33426;
    color: #fff;
}

.btn-success {
    background-color: var(--color-success);
    color: #fff;
}

.btn-success:hover {
    background-color: #2D9249;
    color: #fff;
}

/* Outlined style for topbar etc. */
.btn-outline {
    background-color: #fff;
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

.btn-outline:hover {
    background-color: var(--color-bg-main);
}

/* --------------------------------------------------------------------------
   Tables – Google-style
   -------------------------------------------------------------------------- */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-card);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
}

table th {
    background: #f8f9fa;
    color: var(--color-text-muted);
    text-align: left;
    padding: 14px 16px;
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--color-border);
}

table td {
    padding: 14px 16px;
    border-bottom: 1px solid #f1f3f4;
    font-size: 14px;
    color: var(--color-text-primary);
}

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

table tbody tr:hover td {
    background: #f8f9fa;
}

/* --------------------------------------------------------------------------
   Forms – clean borders, focus state Google Blue
   -------------------------------------------------------------------------- */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
textarea,
select {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-input);
    padding: 10px 14px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-focus-ring);
}

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

/* --------------------------------------------------------------------------
   Links
   -------------------------------------------------------------------------- */
a {
    color: var(--color-primary);
}

a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Utility spacing (8px grid)
   -------------------------------------------------------------------------- */
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.p-4 { padding: 16px; }
.px-4 { padding-left: 16px; padding-right: 16px; }
.py-4 { padding-top: 16px; padding-bottom: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* Section dividers (for dashboard sections) */
.section-divider {
    display: block;
    height: 3px;
    width: 24px;
    margin-top: 4px;
    border-radius: 2px;
}
.section-divider-blue { background: var(--color-primary); }
.section-divider-green { background: var(--color-success); }
.section-divider-yellow { background: var(--color-warning); }
.section-divider-red { background: var(--color-danger); }

/* Tab buttons (dashboard insights) */
.tab-btn {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    background: var(--color-bg-main);
    color: var(--color-text-secondary);
    transition: background 0.2s, color 0.2s;
}
.tab-btn:hover {
    background: var(--color-hover);
    color: var(--color-text-primary);
}
.tab-btn.active {
    background: #E8F0FE;
    color: var(--color-primary);
}
.tab-btn.inactive {
    background: transparent;
}

/* Dropdown link hover (used by dropdown-link component) */
.dropdown-link-item:hover {
    background-color: var(--color-hover);
}

/* --------------------------------------------------------------------------
   Global overrides: map common Tailwind classes to Google palette
   (so all pages get consistent Google look without editing every view)
   -------------------------------------------------------------------------- */
.bg-blue-600, .bg-indigo-600 { background-color: #0052CC !important; }
.hover\:bg-blue-700:hover, .hover\:bg-indigo-700:hover { background-color: #003BA3 !important; }
.bg-blue-500 { background-color: var(--color-primary) !important; }
.hover\:bg-blue-600:hover { background-color: var(--color-primary-hover) !important; }
.text-blue-600, .text-indigo-600, .text-blue-500 { color: var(--color-primary) !important; }
.text-indigo-700 { color: var(--color-primary) !important; }
.bg-indigo-100, .bg-blue-100, .bg-purple-100 { background-color: #E8F0FE !important; }
.text-purple-700 { color: var(--color-primary) !important; }
.bg-purple-600 { background-color: var(--color-primary) !important; }
.hover\:bg-purple-700:hover { background-color: var(--color-primary-hover) !important; }
.border-indigo-400, .border-indigo-500 { border-color: var(--color-primary) !important; }
.focus\:ring-indigo-500:focus, .focus\:ring-blue-500:focus,
.focus\:border-indigo-500:focus, .focus\:border-blue-500:focus { border-color: var(--color-primary); box-shadow: 0 0 0 2px var(--color-focus-ring); }
.focus\:ring-purple-500:focus, .focus\:border-purple-500:focus { border-color: var(--color-primary); box-shadow: 0 0 0 2px var(--color-focus-ring); }
.bg-indigo-50 { background-color: #E8F0FE !important; }
.text-indigo-800 { color: var(--color-primary-hover) !important; }
.focus\:bg-indigo-100:focus { background-color: #E8F0FE !important; }
.border-indigo-700 { border-color: var(--color-primary-hover) !important; }
.bg-purple-500 { background-color: var(--color-primary) !important; }
.bg-red-600 { background-color: #DC2626 !important; }
.hover\:bg-red-700:hover { background-color: #B91C1C !important; }