/* =============================================
   Session2U - Professional Polished Theme
   ============================================= */

:root {
    --tc-bg: #f4f6f9;
    --tc-card-bg: #ffffff;
    --tc-radius: 0.75rem;
    --tc-radius-sm: 0.5rem;
    --tc-radius-lg: 1rem;
    --tc-shadow: 0 1px 6px rgba(0,0,0,0.06);
    --tc-shadow-hover: 0 4px 16px rgba(0,0,0,0.10);
    --tc-primary: #4a7cff;
    --tc-primary-soft: #e8eeff;
    --tc-success: #3db87a;
    --tc-success-soft: #e6f7ee;
    --tc-warning: #f0a830;
    --tc-warning-soft: #fef4e0;
    --tc-danger: #e05c5c;
    --tc-danger-soft: #fce8e8;
    --tc-info: #3db4c8;
    --tc-info-soft: #e2f5f9;
    --tc-text: #2d3239;
    --tc-text-muted: #8a919c;
    --tc-border: #e4e7ec;
    --tc-input-bg: #f8f9fa;
    --tc-transition: 0.2s ease;
}

body {
    background-color: var(--tc-bg);
    min-height: 100vh;
    color: var(--tc-text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--tc-primary-soft);
    color: var(--tc-primary);
}

/* =============================================
   Typography & Page Layout
   ============================================= */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.page-header h2 {
    margin: 0;
    font-weight: 700;
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-header h2 i {
    opacity: 0.7;
}

.section-title {
    font-weight: 600;
    font-size: 1.15rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--tc-text);
}

.section-title i {
    opacity: 0.6;
}

/* =============================================
   Navbar
   ============================================= */
.navbar {
    box-shadow: 0 1px 8px rgba(0,0,0,0.1);
    padding: 0.6rem 0;
    backdrop-filter: blur(8px);
}

.navbar-brand {
    font-weight: 800;
    letter-spacing: 1px;
    font-size: 1.25rem;
}

.navbar .nav-link {
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 0.85rem !important;
    border-radius: var(--tc-radius-sm);
    transition: background var(--tc-transition);
}

.navbar .nav-link:hover {
    background: rgba(255,255,255,0.08);
}

.navbar .nav-link.active {
    background: rgba(255,255,255,0.12);
}

.navbar .badge {
    font-size: 0.65rem;
    vertical-align: middle;
    margin-left: 0.25rem;
}

/* =============================================
   Cards
   ============================================= */
.card {
    border: 1px solid var(--tc-border);
    border-radius: var(--tc-radius);
    box-shadow: var(--tc-shadow);
    margin-bottom: 1rem;
    transition: box-shadow var(--tc-transition);
    overflow: hidden;
}

.card-header {
    font-weight: 600;
    font-size: 0.95rem;
    background-color: transparent;
    border-bottom: 1px solid var(--tc-border);
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.card-header i {
    opacity: 0.6;
}

.card-footer {
    background-color: transparent;
    border-top: 1px solid var(--tc-border);
    padding: 0.85rem 1.25rem;
}

/* =============================================
   Buttons - Polished styling
   ============================================= */
.btn {
    font-weight: 500;
    border-radius: var(--tc-radius-sm);
    transition: all var(--tc-transition);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
}

.btn-sm {
    font-size: 0.8rem;
    padding: 0.3rem 0.65rem;
    border-radius: 0.4rem;
}

.btn-lg {
    font-size: 1rem;
    padding: 0.6rem 1.5rem;
    border-radius: var(--tc-radius);
}

.btn-primary {
    background: var(--tc-primary);
    border-color: var(--tc-primary);
    box-shadow: 0 2px 4px rgba(74, 124, 255, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 4px 12px rgba(74, 124, 255, 0.3);
    transform: translateY(-1px);
}

.btn-success {
    box-shadow: 0 2px 4px rgba(61, 184, 122, 0.2);
}

.btn-success:hover {
    box-shadow: 0 4px 12px rgba(61, 184, 122, 0.3);
    transform: translateY(-1px);
}

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

.btn-outline-primary:hover {
    background: var(--tc-primary);
    border-color: var(--tc-primary);
    transform: translateY(-1px);
}

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

.btn-outline-success {
    border-color: var(--tc-border);
    color: var(--tc-success);
}

.btn-outline-success:hover {
    background: var(--tc-success);
    border-color: var(--tc-success);
    transform: translateY(-1px);
}

.btn-outline-danger {
    border-color: var(--tc-border);
    color: var(--tc-danger);
}

.btn-outline-danger:hover {
    transform: translateY(-1px);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.btn-icon.btn-sm {
    width: 30px;
    height: 30px;
}

/* Action button group */
.action-group {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

/* =============================================
   Form Controls - Polished
   ============================================= */
.form-control, .form-select {
    border: 1px solid var(--tc-border);
    border-radius: var(--tc-radius-sm);
    padding: 0.55rem 0.85rem;
    font-size: 0.9rem;
    transition: border-color var(--tc-transition), box-shadow var(--tc-transition);
    background-color: var(--tc-input-bg);
}

.form-control:focus, .form-select:focus {
    border-color: var(--tc-primary);
    box-shadow: 0 0 0 3px rgba(74, 124, 255, 0.12);
    background-color: var(--tc-card-bg);
}

.form-label {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--tc-text-muted);
    margin-bottom: 0.35rem;
}

.form-text {
    font-size: 0.78rem;
    color: var(--tc-text-muted);
}

.input-group .btn {
    border-color: var(--tc-border);
}

/* =============================================
   Badges - Pill style
   ============================================= */
.badge {
    font-weight: 500;
    font-size: 0.72rem;
    padding: 0.3em 0.65em;
    border-radius: 2rem;
    letter-spacing: 0.3px;
}

.badge-pt {
    background-color: var(--tc-primary);
}

.badge-client {
    background-color: var(--tc-success);
}

/* =============================================
   Alerts - Softer style
   ============================================= */
.alert {
    border-radius: var(--tc-radius);
    border: none;
    font-size: 0.9rem;
    padding: 0.85rem 1.1rem;
}

.alert-success {
    background: var(--tc-success-soft);
    color: #256b49;
    border-left: 4px solid var(--tc-success);
}

.alert-danger {
    background: var(--tc-danger-soft);
    color: #8b3a3a;
    border-left: 4px solid var(--tc-danger);
}

.alert-info {
    background: var(--tc-info-soft);
    color: #276d7c;
    border-left: 4px solid var(--tc-info);
}

.alert-warning {
    background: var(--tc-warning-soft);
    color: #7a5b1a;
    border-left: 4px solid var(--tc-warning);
}

.alert-light {
    background: var(--tc-input-bg);
    border: 1px solid var(--tc-border);
}

/* =============================================
   Tables - Clean look
   ============================================= */
.table {
    font-size: 0.9rem;
}

.table th {
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--tc-text-muted);
    border-bottom-width: 1px;
    padding: 0.75rem 1rem;
}

.table td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

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

/* =============================================
   Auth Pages
   ============================================= */
.auth-card {
    max-width: 440px;
    margin: 3rem auto;
}

.auth-card .card {
    border: none;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    border-radius: var(--tc-radius-lg);
}

.auth-card .card-body {
    padding: 2.25rem;
}

.auth-card h1,
.auth-card h2 {
    font-size: 1.5rem;
    font-weight: 800;
}

.auth-link {
    color: var(--tc-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--tc-transition);
}

.auth-link:hover {
    color: #3a68d9;
    text-decoration: underline;
}

/* Role selector cards */
.role-selector {
    display: flex;
    gap: 0.75rem;
}

.role-option {
    flex: 1;
    position: relative;
}

.role-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.role-option label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    padding: 1rem 0.75rem;
    border: 2px solid var(--tc-border);
    border-radius: var(--tc-radius);
    cursor: pointer;
    transition: all var(--tc-transition);
    text-align: center;
    font-weight: 500;
    background: var(--tc-input-bg);
}

.role-option label i {
    font-size: 1.5rem;
    opacity: 0.6;
}

.role-option input[type="radio"]:checked + label {
    border-color: var(--tc-primary);
    background: var(--tc-primary-soft);
    color: var(--tc-primary);
}

.role-option input[type="radio"]:checked + label i {
    opacity: 1;
}

/* =============================================
   Exercise cards
   ============================================= */
.exercise-card {
    transition: transform var(--tc-transition), box-shadow var(--tc-transition);
}

.exercise-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--tc-shadow-hover);
}

.exercise-card .card-body {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.exercise-card .card-title {
    font-size: 1rem;
    font-weight: 600;
}

.exercise-card .card-text {
    flex: 1;
}

/* =============================================
   Instructions box (exercise detail)
   ============================================= */
.instructions-box {
    background-color: var(--tc-primary-soft);
    border: 1px solid var(--tc-border);
    color: var(--tc-text);
    border-radius: var(--tc-radius);
}

/* =============================================
   Eat-well cards
   ============================================= */
.eatwell-card {
    border-left: 4px solid;
    margin-bottom: 0.75rem;
    border-radius: var(--tc-radius);
    box-shadow: none;
}

/* =============================================
   Empty state
   ============================================= */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.empty-state i.empty-icon {
    font-size: 3rem;
    color: var(--tc-text-muted);
    opacity: 0.4;
    margin-bottom: 1rem;
    display: block;
}

.empty-state h5 {
    color: var(--tc-text-muted);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--tc-text-muted);
    font-size: 0.9rem;
    max-width: 360px;
    margin: 0 auto 1.25rem;
}

/* =============================================
   Messages
   ============================================= */
.message-bubble {
    max-width: 75%;
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.message-sent {
    background-color: var(--tc-primary);
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 0.25rem;
}

.message-received {
    background-color: var(--tc-primary-soft);
    color: var(--tc-text);
    border-bottom-left-radius: 0.25rem;
}

.message-container {
    max-height: 500px;
    overflow-y: auto;
    padding: 1rem;
}

.message-input {
    display: flex;
    gap: 0.5rem;
    padding: 0.85rem 1.25rem;
}

/* Conversation list */
.conversation-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    border-radius: var(--tc-radius-sm);
    text-decoration: none;
    color: var(--tc-text);
    transition: background var(--tc-transition);
    border: 1px solid transparent;
}

.conversation-item:hover {
    background: var(--tc-primary-soft);
    color: var(--tc-text);
    border-color: var(--tc-border);
}

.conversation-item .conv-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--tc-primary-soft);
    color: var(--tc-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.conversation-item .conv-body {
    flex: 1;
    min-width: 0;
}

.conversation-item .conv-name {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.1rem;
}

.conversation-item .conv-preview {
    font-size: 0.8rem;
    color: var(--tc-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* =============================================
   Calorie summary
   ============================================= */
.calorie-summary {
    font-size: 1.1rem;
}

/* =============================================
   Session builder rows
   ============================================= */
.plan-exercise-row {
    background: var(--tc-card-bg);
    border: 1px solid var(--tc-border);
    border-radius: var(--tc-radius);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    transition: box-shadow var(--tc-transition);
}

.plan-exercise-row:hover {
    box-shadow: var(--tc-shadow);
}

/* Exercise library item (session builder sidebar) */
.exercise-lib-item {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--tc-border) !important;
    transition: background var(--tc-transition);
}

.exercise-lib-item:hover {
    background: var(--tc-primary-soft);
    margin: 0 -0.5rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    border-radius: var(--tc-radius-sm);
}

/* =============================================
   Connection code
   ============================================= */
.connection-code {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--tc-primary);
    font-family: 'Courier New', monospace;
}

/* Code input */
.code-input {
    letter-spacing: 6px;
    font-weight: 700;
    font-size: 1.5rem;
    text-align: center;
    max-width: 280px;
    margin: 0 auto;
    border: 2px solid var(--tc-border);
    border-radius: var(--tc-radius);
    padding: 0.75rem;
    background: var(--tc-input-bg);
}

.code-input:focus {
    border-color: var(--tc-primary);
    box-shadow: 0 0 0 3px rgba(74, 124, 255, 0.15);
}

/* =============================================
   Dashboard stat cards
   ============================================= */
.dashboard-stat {
    text-align: center;
    padding: 1.5rem;
}

.dashboard-stat h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
    background: linear-gradient(135deg, var(--tc-primary), #2d5ae0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dashboard-stat p {
    color: var(--tc-text-muted);
    margin: 0;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-weight: 500;
}

/* =============================================
   Quick link cards on dashboard
   ============================================= */
.quick-link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.25rem 0.75rem;
    border-radius: var(--tc-radius);
    background: var(--tc-card-bg);
    border: 1px solid var(--tc-border);
    color: var(--tc-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--tc-transition);
    box-shadow: var(--tc-shadow);
}

.quick-link-card:hover {
    background: var(--tc-primary-soft);
    color: var(--tc-primary);
    border-color: var(--tc-primary);
    transform: translateY(-2px);
    box-shadow: var(--tc-shadow-hover);
}

.quick-link-card i {
    font-size: 1.5rem;
    opacity: 0.7;
}

.quick-link-card:hover i {
    opacity: 1;
}

/* =============================================
   Client card (PT view)
   ============================================= */
.client-card .card-body {
    padding: 1.25rem;
}

.client-card .client-info {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
}

.client-card .client-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--tc-primary-soft);
    color: var(--tc-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.client-card .client-name {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.15rem;
}

.client-card .client-meta {
    font-size: 0.8rem;
    color: var(--tc-text-muted);
}

/* =============================================
   Onboarding code list
   ============================================= */
.code-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--tc-border);
}

.code-item:last-child {
    border-bottom: none;
}

/* =============================================
   Settings sections
   ============================================= */
.settings-section {
    margin-bottom: 1.5rem;
}

.settings-section .card-header {
    font-size: 0.9rem;
}

/* =============================================
   Calorie Dashboard Widget (macro bars)
   ============================================= */
.calorie-ring {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.calorie-ring-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    color: var(--tc-primary);
}

.calorie-ring-label {
    font-size: 0.8rem;
    color: var(--tc-text-muted);
}

.macro-bars {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.macro-bar-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.macro-label {
    font-size: 0.75rem;
    font-weight: 600;
    width: 50px;
    color: var(--tc-text-muted);
}

.macro-bar-track {
    flex: 1;
    height: 8px;
    background: var(--tc-border);
    border-radius: 4px;
    overflow: hidden;
}

.macro-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.4s ease;
    min-width: 2px;
}

.macro-value {
    font-size: 0.75rem;
    font-weight: 600;
    width: 40px;
    text-align: right;
}

/* =============================================
   Calorie Tracker Page - Meal group headers
   ============================================= */
.calorie-page-summary {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.calorie-page-summary .macro-pill {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--tc-radius);
    background: var(--tc-card-bg);
    border: 1px solid var(--tc-border);
    min-width: 100px;
    transition: transform var(--tc-transition);
}

.calorie-page-summary .macro-pill:hover {
    transform: translateY(-2px);
}

.macro-pill .macro-pill-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.macro-pill .macro-pill-label {
    font-size: 0.72rem;
    color: var(--tc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* =============================================
   Reviews
   ============================================= */
.rating-display {
    color: #f0a830;
    font-size: 1.25rem;
    font-weight: 600;
}

.review-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--tc-border);
}

.review-item:last-child {
    border-bottom: none;
}

/* =============================================
   Dividers
   ============================================= */
hr {
    border-color: var(--tc-border);
    opacity: 0.6;
}

/* =============================================
   Custom scrollbar
   ============================================= */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--tc-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--tc-text-muted);
}

/* =============================================
   Session Runner
   ============================================= */
.session-exercise-card {
    border: none;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    border-radius: var(--tc-radius-lg);
}

.session-set-badge {
    display: inline-block;
    background: var(--tc-primary-soft);
    color: var(--tc-primary);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.35rem 1rem;
    border-radius: 2rem;
}

.session-timer {
    font-size: 5rem;
    font-weight: 700;
    color: var(--tc-primary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.session-progress .progress {
    border-radius: 1rem;
    background: var(--tc-border);
}

/* =============================================
   Rating Buttons (session complete)
   ============================================= */
.rating-buttons {
    display: flex;
    gap: 0.4rem;
}

.rating-btn {
    cursor: pointer;
}

.rating-btn input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.rating-btn span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 2px solid var(--tc-border);
    border-radius: var(--tc-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--tc-transition);
    background: var(--tc-input-bg);
}

.rating-btn:hover span {
    border-color: var(--tc-primary);
    background: var(--tc-primary-soft);
}

.rating-btn input[type="radio"]:checked + span {
    background: var(--tc-primary);
    border-color: var(--tc-primary);
    color: white;
}

.rating-btn-sm span {
    width: 36px;
    height: 36px;
    font-size: 0.85rem;
}

.rating-group {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--tc-border);
}

.rating-group:last-of-type {
    border-bottom: none;
}

/* =============================================
   Session Log Entries (plan detail feedback)
   ============================================= */
.session-log-entry {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--tc-border);
}

.session-log-entry:last-child {
    border-bottom: none;
}

.session-log-rating {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
}

.session-log-rating-label {
    font-size: 0.72rem;
    color: var(--tc-text-muted);
    font-weight: 500;
}

.session-log-rating-value {
    font-weight: 700;
    font-size: 0.95rem;
}

/* =============================================
   Goals
   ============================================= */
.goal-list {
    display: flex;
    flex-direction: column;
}

.goal-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 0.85rem;
    border: 1px solid var(--tc-border);
    border-radius: var(--tc-radius-sm);
    margin-bottom: 0.4rem;
    background: var(--tc-card-bg);
    transition: background var(--tc-transition);
}

.goal-item:hover {
    background: var(--tc-primary-soft);
}

.goal-item.goal-completed {
    opacity: 0.6;
}

.goal-text {
    flex: 1;
    font-size: 0.9rem;
}

.goal-actions {
    display: flex;
    gap: 0.3rem;
    flex-shrink: 0;
}

/* =============================================
   Responsive tweaks
   ============================================= */
@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .calorie-page-summary {
        gap: 0.5rem;
    }

    .calorie-page-summary .macro-pill {
        min-width: 80px;
        padding: 0.5rem 0.85rem;
    }

    .macro-pill .macro-pill-value {
        font-size: 1.2rem;
    }

    .conversation-item {
        padding: 0.75rem;
    }

    .message-bubble {
        max-width: 85%;
    }

    .role-selector {
        flex-direction: column;
    }
}

/* =============================================
   Smooth page entrance animation
   ============================================= */
main.container {
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =============================================
   Improved card hover for interactive cards
   ============================================= */
.card.h-100 {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card.h-100:hover {
    transform: translateY(-2px);
    box-shadow: var(--tc-shadow-hover);
}

/* =============================================
   Section dividers between plan sections
   ============================================= */
.section-title {
    position: relative;
    padding-bottom: 0.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    border-radius: 2px;
    background: var(--tc-primary);
    opacity: 0.5;
}

/* =============================================
   Dark Mode
   ============================================= */
[data-bs-theme="dark"] {
    --tc-bg: #16191d;
    --tc-card-bg: #1e2228;
    --tc-primary-soft: #1e2a45;
    --tc-success-soft: #1a2e22;
    --tc-warning-soft: #2e2818;
    --tc-danger-soft: #2e1c1c;
    --tc-info-soft: #1a2e33;
    --tc-text: #d1d5db;
    --tc-text-muted: #7a818c;
    --tc-border: #2d333b;
    --tc-shadow: 0 1px 6px rgba(0,0,0,0.2);
    --tc-shadow-hover: 0 4px 16px rgba(0,0,0,0.3);
    --tc-input-bg: #262a31;
}

[data-bs-theme="dark"] body {
    background-color: var(--tc-bg);
}

[data-bs-theme="dark"] .card {
    background-color: var(--tc-card-bg);
    border-color: var(--tc-border);
    box-shadow: var(--tc-shadow);
}

[data-bs-theme="dark"] .card-header {
    border-color: var(--tc-border);
}

[data-bs-theme="dark"] .card-footer {
    border-color: var(--tc-border);
}

[data-bs-theme="dark"] .instructions-box {
    background-color: var(--tc-primary-soft);
    border-color: var(--tc-border);
    color: var(--tc-text);
}

[data-bs-theme="dark"] .message-received {
    background-color: var(--tc-primary-soft);
    color: var(--tc-text);
}

[data-bs-theme="dark"] .plan-exercise-row {
    background: var(--tc-card-bg);
    border-color: var(--tc-border);
}

[data-bs-theme="dark"] .connection-code {
    color: #6ea8fe;
}

[data-bs-theme="dark"] .quick-link-card {
    background: var(--tc-card-bg);
    border-color: var(--tc-border);
    color: var(--tc-text);
}

[data-bs-theme="dark"] .quick-link-card:hover {
    background: var(--tc-primary-soft);
    border-color: var(--tc-primary);
}

[data-bs-theme="dark"] .macro-pill {
    background: var(--tc-card-bg);
    border-color: var(--tc-border);
}

[data-bs-theme="dark"] .macro-bar-track {
    background: var(--tc-border);
}

[data-bs-theme="dark"] .calorie-ring-value {
    color: #6ea8fe;
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: var(--tc-input-bg);
    border-color: var(--tc-border);
    color: var(--tc-text);
}

[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
    background-color: var(--tc-card-bg);
    border-color: var(--tc-primary);
    box-shadow: 0 0 0 3px rgba(74, 124, 255, 0.15);
}

[data-bs-theme="dark"] .conversation-item:hover {
    background: var(--tc-primary-soft);
}

[data-bs-theme="dark"] .exercise-lib-item:hover {
    background: var(--tc-primary-soft);
}

[data-bs-theme="dark"] .role-option label {
    background: var(--tc-input-bg);
    border-color: var(--tc-border);
    color: var(--tc-text);
}

[data-bs-theme="dark"] .role-option input[type="radio"]:checked + label {
    border-color: var(--tc-primary);
    background: var(--tc-primary-soft);
    color: #6ea8fe;
}

[data-bs-theme="dark"] .client-card .client-avatar,
[data-bs-theme="dark"] .conversation-item .conv-avatar {
    background: var(--tc-primary-soft);
    color: #6ea8fe;
}

[data-bs-theme="dark"] .alert-success {
    background: var(--tc-success-soft);
    color: #6dd4a0;
}

[data-bs-theme="dark"] .alert-danger {
    background: var(--tc-danger-soft);
    color: #f0a0a0;
}

[data-bs-theme="dark"] .alert-info {
    background: var(--tc-info-soft);
    color: #6dd4e8;
}

[data-bs-theme="dark"] .alert-warning {
    background: var(--tc-warning-soft);
    color: #f0c870;
}

[data-bs-theme="dark"] .auth-card .card {
    box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

[data-bs-theme="dark"] .code-input {
    border-color: var(--tc-border);
    background: var(--tc-input-bg);
    color: var(--tc-text);
}

[data-bs-theme="dark"] .table-hover tbody tr:hover {
    background-color: var(--tc-primary-soft);
}

[data-bs-theme="dark"] .session-exercise-card {
    box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

[data-bs-theme="dark"] .session-timer {
    color: #6ea8fe;
}

[data-bs-theme="dark"] .session-set-badge {
    background: var(--tc-primary-soft);
    color: #6ea8fe;
}

[data-bs-theme="dark"] .rating-btn span {
    background: var(--tc-input-bg);
    border-color: var(--tc-border);
    color: var(--tc-text);
}

[data-bs-theme="dark"] .rating-btn:hover span {
    background: var(--tc-primary-soft);
    border-color: var(--tc-primary);
}

[data-bs-theme="dark"] .goal-item {
    background: var(--tc-card-bg);
    border-color: var(--tc-border);
}

[data-bs-theme="dark"] .goal-item:hover {
    background: var(--tc-primary-soft);
}

[data-bs-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--tc-border);
}

[data-bs-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--tc-text-muted);
}