:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #059669;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --border-color-heavy: #bdbdbd;
    --border-color-light: #d9d9d9;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    /* Focus ring tokens */
    --focus-ring-color: #225bf7; /* blue outer ring */
    --focus-gap-color: var(--surface-color); /* gap matches surface */
    --form-placeholder-color: #989da3; /* gray-400 */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    /* Constant width reserved for the left rail/user menu */
    --rail-width: 60px;
    /* Unified button sizing tokens */
    --cb-btn-font-size: 14px;
    --cb-btn-line-height: 21px;
    --cb-btn-py: 5px;
    --cb-btn-px: 10px;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--background-color);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Reserve a stable gutter for the main page scrollbar so adjacent rails align without jumping */
html {
    /* Reserve gutter only on the scrollbar edge (right in LTR) */
    scrollbar-gutter: stable;
}

/* Main scrollbar mirrors advice panel styling */
html,
body {
    scrollbar-width: auto;
    scrollbar-color: #8f9296 #ffffff;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
    width: 10px;
}

html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb {
    background-color: #8f9296;
    border-radius: 10px;
}

html::-webkit-scrollbar-track,
body::-webkit-scrollbar-track {
    background: #ffffff;
}

.app-shell-main {
    scrollbar-width: auto;
    scrollbar-color: #8f9296 #ffffff;
}

.app-shell-main::-webkit-scrollbar {
    width: 10px;
}

.app-shell-main::-webkit-scrollbar-thumb {
    background-color: #8f9296;
    border-radius: 10px;
}

.app-shell-main::-webkit-scrollbar-track {
    background: #ffffff;
}

.app-shell {
    /* Default to single-column layout; opt-in rail via modifier */
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    min-height: 100vh;
    width: 100%;
    flex: 1 1 auto;
}

/* When present, reserve the left rail column */
.app-shell--with-rail {
    grid-template-columns: var(--rail-width) minmax(0, 1fr);
}

.app-shell-rail {
    position: sticky;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 10px 0 0 10px; /* match floating placement */
    min-height: 100vh;
    background: var(--surface-color);
    z-index: 2000;
}

/* Variant used by non-analysis pages to match app background */
.app-shell-rail--bg {
    background: var(--background-color);
}

/* Center compensation: only when using the new background rail */
.app-shell-rail.app-shell-rail--bg + .app-shell-main {
    /* Shift the main column left by half the rail width, and
       give the same amount to the right to keep total width stable */
    margin-left: calc(var(--rail-width) * -0.5);
    margin-right: calc(var(--rail-width) * 0.5);
}

/* User dropdown in rail: mirror analysis floating styles */
#user-dropdown-root > a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: #ffffff;
    border: 1px solid var(--border-color-heavy);
    border-radius: 50%;
}

#user-dropdown-root > a .fa-user-circle {
    font-size: 1.15rem;
}

#user-dropdown-root .dropdown-menu {
    margin-top: 8px;
    border-radius: 6px;
    padding: 0;
}

#user-dropdown-root .dropdown-menu.show {
    display: block;
    box-shadow: 0 18px 40px -12px rgba(15, 23, 42, 0.25);
}

#user-dropdown-root .dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    border-radius: 0;
}

#user-dropdown-root .dropdown-item:hover {
    background-color: #ebebeb;
}

.app-shell-main {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    width: 100%;
    /* No extra padding; grid provides the rail space */
    padding-left: 0;
}

.navbar {
    background-color: var(--surface-color) !important;
    border-bottom: 1px solid var(--border-color-heavy);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
    width: 100%;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--text-primary) !important;
    background-color: var(--background-color);
}

.dropdown-menu {
    border: 1px solid var(--border-color-heavy);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.dropdown-item {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.dropdown-item:hover {
    background-color: var(--background-color);
    color: var(--text-primary);
}

.dropdown-toggle::after {
    display: none;
}

.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color-heavy);
    border-radius: var(--radius-lg);
    box-shadow: none;
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: none;
}

.card-header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color-heavy);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 1.5rem;
}

.btn {
    font-weight: 500;
    border-radius: var(--radius-md);
    padding: 0.625rem 1.25rem;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1.125rem;
}

.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-color-heavy);
}

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

/* Unified Back button style across the app
   Target the specific combination used for Back links */
.btn.btn-outline-secondary.px-3.text-nowrap {
    border: 1px solid var(--border-color-heavy);
    border-radius: 6px;
    background: #ffffff;
    color: var(--text-secondary) !important;
    font-weight: 500;
}

.btn.btn-outline-secondary.px-3.text-nowrap:hover {
    background: #ebebeb !important;
    color: var(--text-secondary) !important;
    border-color: var(--border-color-heavy) !important;
}

.btn.btn-outline-secondary.px-3.text-nowrap:active,
.btn.btn-outline-secondary.px-3.text-nowrap:focus:active {
    background: #939292 !important;
    color: #ffffff !important;
    border-color: #939292 !important;
}

/* Remove Bootstrap focus ring (thick outline) for Back links */
.btn.btn-outline-secondary.px-3.text-nowrap:focus,
.btn.btn-outline-secondary.px-3.text-nowrap:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

/* Heatmap mode segmented control: only round external corners */
.heatmap-mode-toggle .btn-group > .btn {
    border-radius: 0;
    flex: 1 1 0;
    text-align: center;
}
.heatmap-mode-toggle .btn-group > .btn:first-of-type {
    border-top-left-radius: 6px;
    border-bottom-left-radius: 6px;
}
.heatmap-mode-toggle .btn-group > .btn:last-of-type {
    border-top-right-radius: 6px;
    border-bottom-right-radius: 6px;
}

/* Heatmap mode toggle: hover and selected states */
/* When not selected, match keyword-clear-button hover border & text color */
.heatmap-mode-toggle .btn-check:not(:checked) + .btn:hover {
    background-color: #ffffff;
    border-color: #3363e6;
    color: #225bf7;
}

/* When selected, match copy-markdown (primary-button) colors */
.heatmap-mode-toggle .btn-check:checked + .btn,
.heatmap-mode-toggle .btn.active {
    background-color: #447bfc;
    border-color: #447bfc;
    color: #fff;
}

.heatmap-mode-toggle.mb-3 {
    margin-bottom: 16px !important;
}

/* Input source toggle: reuse heatmap toggle styling */
.input-source-toggle .btn-group > .btn {
    border-radius: 0;
    flex: 1 1 0;
    text-align: center;
    white-space: nowrap;
    min-width: 120px;
}
.input-source-toggle .btn-group > .btn:first-of-type {
    border-top-left-radius: 6px;
    border-bottom-left-radius: 6px;
}
.input-source-toggle .btn-group > .btn:last-of-type {
    border-top-right-radius: 6px;
    border-bottom-right-radius: 6px;
}

.input-source-toggle .btn-check:not(:checked) + .btn:hover {
    background-color: #ffffff;
    border-color: #3363e6;
    color: #225bf7;
}

.input-source-toggle .btn-check:checked + .btn,
.input-source-toggle .btn.active {
    background-color: #447bfc;
    border-color: #447bfc;
    color: #fff;
}

/* Reusable base sizing for buttons. Apply in markup going forward. */
.btn-base {
    font-size: var(--cb-btn-font-size);
    line-height: var(--cb-btn-line-height);
    padding: var(--cb-btn-py) var(--cb-btn-px);
}


/* Global primary button style (unified across app)
   Use with actionable buttons that need a bordered look.
   Include a composite selector to override editor toolbar base styles. */
.primary-button,
.editor-button.primary-button,
.editor-button--primary,
.editor-button.editor-button--primary,
.secondary-button,
.btn.secondary-button,
.danger-button,
.btn.danger-button {
    border: 1px solid var(--border-color-heavy);
    border-radius: 6px;
    background: #ffffff;
    color: var(--text-secondary);
    font-weight: 500;
}

.primary-button:hover,
.editor-button.primary-button:hover,
.editor-button--primary:hover,
.editor-button.editor-button--primary:hover,
.secondary-button:hover,
.btn.secondary-button:hover,
.danger-button:hover,
.btn.danger-button:hover {
    background: #ebebeb;
}

.primary-button:active,
.editor-button.primary-button:active,
.editor-button--primary:active,
.editor-button.editor-button--primary:active,
.secondary-button:active,
.btn.secondary-button:active,
.danger-button:active,
.btn.danger-button:active {
    background: #939292;
    color: #ffffff;
    border-color: #939292;
}

/* Removed explicit size variants; use .btn-base for sizing */

/* Variant text colors (keep same chrome/behavior) */
.danger-button,
.btn.danger-button {
    color: var(--danger-color);
}

/* Remove Bootstrap focus ring for unified buttons */
.primary-button:focus,
.primary-button:focus-visible,
.btn.primary-button:focus,
.btn.primary-button:focus-visible,
.secondary-button:focus,
.secondary-button:focus-visible,
.btn.secondary-button:focus,
.btn.secondary-button:focus-visible,
.danger-button:focus,
.danger-button:focus-visible,
.btn.danger-button:focus,
.btn.danger-button:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}

.primary-button {
    background-color: #447bfc;
    border-color: #447bfc;
    color: #ffffff;
}
.primary-button:hover {
    background-color: #225bf7;
    border-color: #225bf7;;
    color: #ffffff;
}
.primary-button:active {
    background-color: #0134ce;
    border-color: #0134ce;
    color: #ffffff;
}

.table {
    color: var(--text-primary);
}

.table-light {
    background-color: var(--background-color);
}

.table th {
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color-heavy);
    padding: 1rem 0.75rem;
}

.table td {
    padding: 1rem 0.75rem;
    border-bottom: 1px solid var(--border-color-heavy);
}

.table-hover tbody tr:hover {
    background-color: var(--background-color);
}

.badge {
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
}

.bg-success {
    background-color: var(--success-color) !important;
}

.bg-warning {
    background-color: var(--warning-color) !important;
}

.bg-danger {
    background-color: var(--danger-color) !important;
}

.bg-info {
    background-color: var(--primary-color) !important;
}

.bg-secondary {
    background-color: var(--secondary-color) !important;
}

/* Badge variants matching advice style (light bg, dark text, subtle border) */
.badge.bg-success {
    background-color: #d4edda !important;
    color: #155724 !important;
    border: 1px solid #82da9a !important;
}

.badge.bg-warning {
    background-color: #fedec3 !important;
    color: #7f4a1e !important;
    border: 1px solid #fac687 !important;
}

.badge.bg-danger {
    background-color: #f8d2d5 !important;
    color: #842029 !important;
    border: 1px solid #f2a0a8 !important;
}

/* New info blue variant */
.badge.bg-info {
    background-color: #dbeafe !important; /* light blue */
    color: #1e3a8a !important;            /* deep blue text */
    border: 1px solid #bfdbfe !important; /* slightly darker border */
}

.alert {
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    padding: 12px 14px 15px 14px;
}

.alert.alert-info {
    background-color: #cfe7fc;
}
.alert.alert-error {
    background-color: #cfe7fc;
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color-heavy);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
}

.brand-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.brand-logo h1 {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.brand-logo p {
    color: var(--text-secondary);
    margin: 0;
}

.form-control {
    border: 1px solid var(--border-color-heavy);
    border-radius: var(--radius-md);
    padding: 5px 10px;
    font-size: 14px;
    transition: none;
    background-color: var(--surface-color);
}
.form-control:focus {
    border: 1px solid var(--border-color-heavy);
    /* Triple-line effect: border (inner) + gap + outer ring */
    box-shadow: 0 0 0 2px var(--focus-gap-color), 0 0 0 4px var(--focus-ring-color);
    outline: none;
}

.form-control::placeholder { color: var(--form-placeholder-color); opacity: 1; }
/* Legacy support (old Safari/Edge): */
.form-control::-webkit-input-placeholder { color: var(--form-placeholder-color); opacity: 1; }
.form-control::-moz-placeholder { color: var(--form-placeholder-color); opacity: 1; }
.form-control:-ms-input-placeholder { color: var(--form-placeholder-color); }
.form-control::-ms-input-placeholder { color: var(--form-placeholder-color); }

/* Uniform control sizing to match secondary buttons */
:where(
  input[type="text"],
  input[type="search"],
  input[type="email"],
  input[type="password"],
  input[type="url"],
  input[type="tel"],
  input[type="number"],
  input[type="date"],
  input[type="time"],
  select
) {
    padding: 5px 10px;
    font-size: 14px;
    border: 1px solid var(--border-color-heavy);
    border-radius: var(--radius-md);
    background-color: var(--surface-color);
}

.dashboard-container {
    padding: 2rem;
    /* max-width: 1200px; */
    margin: 0 auto;
}

.text-muted {
    color: var(--text-secondary) !important;
}

.text-datetime-meta {
    opacity: 0.8;
}

.hidden-section {
    display: none;
}

.copy-placeholder {
    width: 60px;
    height: 31px;
}

.notification-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
    min-width: 300px;
}

.btn-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-gradient-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: white;
}

.btn-gradient-primary:focus {
    color: white;
}

/* Text-like fields: global double-ring focus style */
:where(
  input[type="text"],
  input[type="search"],
  input[type="email"],
  input[type="password"],
  input[type="url"],
  input[type="tel"],
  input[type="number"],
  input[type="date"],
  input[type="time"],
  select,
  textarea
):where(:focus, :focus-visible) {
    outline: none;
    border-color: var(--focus-ring-color);
    box-shadow: 0 0 0 2px var(--focus-gap-color), 0 0 0 4px var(--focus-ring-color);
}

/* Do not show focus ring on disabled or readonly fields */
:where(input, select, textarea):is(:disabled, [readonly]) {
    box-shadow: none;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

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

@media (max-width: 768px) {
    .dashboard-container {
        padding: 1rem;
    }

    .card-body {
        padding: 1rem;
    }
}

/* Shared page header style used across top sections */
.page-header {
    font-weight: 700;
    color: #4b4b4d;
}

.fa-info-circle { font-size: 12px;}

.slate-highlight { background-color: var(--advice-highlight-bg, #ffd966) !important; }

/* Fixed width for link modal at all sizes */
.link-modal {
    width: 500px;
    max-width: 500px;
    min-width: 500px;
}

/* Link modal actions spacing */
.link-modal-actions {
    margin-top: 36px;
}