/**
 * FitMate - Training Plan Page Styles
 * 训练计划页面专用样式
 */

.training-page .main-content {
    max-width: 1680px;
    margin: 0 auto;
    width: 100%;
}

/* ========================================
   Training Topbar
   ======================================== */
.training-topbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.3s ease;
}

.training-title-group {
    min-width: 0;
}

.page-kicker {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.page-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.topbar-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

/* ========================================
   Training Mode
   ======================================== */
.training-mode-section {
    margin-bottom: var(--spacing-lg);
}

.mode-panel {
    padding: var(--spacing-lg);
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-level1);
    animation: fadeInUp 0.3s ease 0.04s backwards;
}

.mode-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.section-kicker {
    display: inline-flex;
    margin-bottom: var(--spacing-xs);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

.mode-panel h2 {
    margin: 0 0 var(--spacing-xs);
    font-size: 18px;
    font-weight: 700;
}

.mode-panel p {
    margin: 0;
    color: var(--text-secondary);
}

.equipment-toggle {
    display: inline-grid;
    grid-template-columns: repeat(2, minmax(118px, 1fr));
    gap: var(--spacing-xs);
    padding: 4px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.equipment-option {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-md);
    color: var(--text-secondary);
    background: transparent;
    border-radius: var(--radius-md);
    font-weight: 700;
    transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.equipment-option i {
    font-size: 15px;
}

.equipment-option:hover {
    color: var(--primary);
}

.equipment-option.active {
    color: var(--primary);
    background: var(--surface);
    box-shadow: var(--shadow-level1);
}

.goal-chip-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-sm);
}

.goal-chip-grid article {
    min-height: 92px;
    display: grid;
    align-content: center;
    gap: 4px;
    padding: var(--spacing-md);
    background: var(--background);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
}

.goal-chip-grid span {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 700;
}

.goal-chip-grid strong {
    color: var(--text-primary);
    font-size: 17px;
    line-height: 1.2;
}

.goal-chip-grid small {
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.45;
}

/* ========================================
   Goal Setup Modal
   ======================================== */
.training-modal {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.training-modal.show {
    display: flex;
}

.training-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
}

.training-modal-dialog {
    position: relative;
    width: min(760px, 100%);
    max-height: min(720px, calc(100vh - 40px));
    overflow: auto;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-level3);
}

.training-modal-header,
.training-modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.training-modal-header {
    border-bottom: 1px solid var(--border-light);
}

.training-modal-header h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 800;
}

.training-modal-body {
    display: grid;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

.training-modal-footer {
    justify-content: flex-end;
    border-top: 1px solid var(--border-light);
}

.icon-button {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.icon-button:hover {
    color: var(--primary);
    border-color: rgba(59, 130, 246, 0.35);
}

.goal-selector-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-sm);
}

.goal-option {
    min-height: 118px;
    display: grid;
    justify-items: start;
    gap: 6px;
    padding: var(--spacing-md);
    color: var(--text-secondary);
    background: var(--background);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    text-align: left;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.goal-option:hover,
.goal-option.active {
    color: var(--primary);
    background: var(--surface);
    border-color: rgba(59, 130, 246, 0.45);
    box-shadow: var(--shadow-level1);
}

.goal-option.active {
    transform: translateY(-1px);
}

.goal-option i {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: var(--radius-md);
}

.goal-option strong {
    color: var(--text-primary);
    font-size: 15px;
}

.goal-option span {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.5;
}

.goal-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.goal-form-grid label {
    display: grid;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 700;
}

.goal-form-grid select,
.goal-form-grid input {
    height: 42px;
    width: 100%;
    padding: 0 var(--spacing-md);
    color: var(--text-primary);
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-weight: 700;
}

.goal-ai-panel,
.ai-reason-card,
.training-feedback {
    border: 1px solid rgba(59, 130, 246, 0.14);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(16, 185, 129, 0.07));
}

.goal-ai-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
}

.goal-ai-panel strong,
.ai-reason-card strong,
.feedback-head strong {
    display: block;
    margin-bottom: 3px;
    color: var(--text-primary);
    font-size: 14px;
}

.goal-ai-panel p,
.ai-reason-card p,
.training-feedback p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
}

/* ========================================
   KPI Cards
   ======================================== */
.kpi-section {
    margin-bottom: var(--spacing-lg);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.kpi-card {
    position: relative;
    min-height: 112px;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-level1);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
    animation: fadeInUp 0.3s ease backwards;
}

.kpi-card:nth-child(1) { animation-delay: 0.05s; }
.kpi-card:nth-child(2) { animation-delay: 0.1s; }
.kpi-card:nth-child(3) { animation-delay: 0.15s; }
.kpi-card:nth-child(4) { animation-delay: 0.2s; }

.kpi-card::after {
    content: '';
    position: absolute;
    right: -32px;
    bottom: -42px;
    width: 108px;
    height: 108px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.07);
}

.kpi-card:hover {
    transform: translateY(-3px);
    border-color: rgba(59, 130, 246, 0.24);
    box-shadow: var(--shadow-level2);
}

.kpi-icon {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    font-size: 20px;
}

.kpi-icon.primary {
    color: var(--primary);
    background: var(--primary-light);
}

.kpi-icon.success {
    color: var(--success);
    background: var(--success-light);
}

.kpi-icon.warning {
    color: var(--warning);
    background: var(--warning-light);
}

.kpi-icon.danger {
    color: var(--danger);
    background: var(--danger-light);
}

.kpi-content {
    position: relative;
    z-index: 1;
    min-width: 0;
}

.kpi-label {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
}

.kpi-value {
    display: flex;
    align-items: baseline;
    gap: 4px;
    color: var(--text-primary);
    font-family: 'Inter', var(--font-sans);
    font-size: 30px;
    font-weight: 750;
    line-height: 1.05;
    white-space: nowrap;
}

.kpi-suffix {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
}

/* ========================================
   Training Grid
   ======================================== */
.training-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.9fr) minmax(340px, 0.95fr);
    gap: var(--spacing-lg);
    align-items: start;
}

.training-col {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    min-width: 0;
}

.training-lower-section {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.training-insight-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
    gap: var(--spacing-lg);
    align-items: stretch;
}

.training-insight-grid > .fit-card {
    min-width: 0;
}

.fit-card {
    border: 1px solid var(--border-light);
}

.actions-card {
    animation: fadeInUp 0.3s ease 0.25s backwards;
}

.weekly-card {
    animation: fadeInUp 0.3s ease 0.3s backwards;
}

.analysis-card {
    animation: fadeInUp 0.3s ease 0.32s backwards;
}

.stats-card {
    animation: fadeInUp 0.3s ease 0.35s backwards;
}

.records-card {
    animation: fadeInUp 0.3s ease 0.4s backwards;
}

.ai-card {
    animation: fadeInUp 0.3s ease 0.45s backwards;
}

.card-header-left,
.card-header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.training-tag,
.mode-badge,
.difficulty-badge,
.analysis-badge {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 0 10px;
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.training-tag {
    color: var(--primary);
    background: var(--primary-light);
}

.mode-badge {
    color: var(--success);
    background: var(--success-light);
}

.difficulty-badge {
    color: var(--warning);
    background: var(--warning-light);
}

.analysis-badge {
    color: var(--primary);
    background: var(--primary-light);
}

.duration-text {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--text-secondary);
    font-size: 13px;
    white-space: nowrap;
}

.duration-text i {
    color: var(--text-muted);
    font-size: 12px;
}

/* ========================================
   Today Actions
   ======================================== */
.actions-progress {
    margin-bottom: var(--spacing-lg);
}

.actions-progress-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
}

.actions-progress-text {
    color: var(--primary);
    font-weight: 700;
    white-space: nowrap;
}

.actions-list {
    display: grid;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.action-item {
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--spacing-md);
    min-height: 76px;
    padding: var(--spacing-md);
    background: var(--background);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.action-item:hover {
    transform: translateY(-1px);
    border-color: rgba(59, 130, 246, 0.35);
    background: var(--surface);
    box-shadow: var(--shadow-level2);
}

.action-item.completed {
    background: var(--success-light);
    border-color: rgba(16, 185, 129, 0.18);
}

.action-index {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    font-family: 'Inter', var(--font-sans);
    font-size: 12px;
    font-weight: 700;
}

.action-check {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: transparent;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-check:hover {
    border-color: var(--primary);
}

.action-check.checked {
    color: #fff;
    background: var(--success);
    border-color: var(--success);
}

.action-check i {
    font-size: 12px;
}

.action-info {
    min-width: 0;
}

.action-name {
    margin-bottom: 5px;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 700;
}

.action-item.completed .action-name {
    color: var(--text-secondary);
}

.action-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-size: 12px;
}

.action-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.action-meta i {
    color: var(--text-muted);
    font-size: 10px;
}

.action-weight {
    justify-self: end;
    min-width: 66px;
    padding: 6px 10px;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 800;
    text-align: center;
    white-space: nowrap;
}

.actions-footer {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
}

.training-timer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--background);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
}

.training-timer span,
.training-timer small {
    display: block;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 700;
}

.training-timer strong {
    display: block;
    margin: 2px 0;
    color: var(--text-primary);
    font-family: 'Inter', var(--font-sans);
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 0;
    line-height: 1.1;
}

.training-timer.is-running {
    border-color: rgba(16, 185, 129, 0.28);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(59, 130, 246, 0.07));
}

.training-timer.is-paused {
    border-color: rgba(245, 158, 11, 0.28);
    background: var(--warning-light);
}

.timer-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.training-feedback {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
}

.feedback-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.feedback-head span {
    color: var(--text-secondary);
    font-size: 12px;
}

.feedback-options {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-sm);
}

.feedback-options button {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 10px;
    color: var(--text-secondary);
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.feedback-options button:hover,
.feedback-options button.active {
    color: var(--primary);
    border-color: rgba(59, 130, 246, 0.42);
    box-shadow: var(--shadow-level1);
}

.empty-inline {
    display: grid;
    place-items: center;
    min-height: 120px;
    color: var(--text-muted);
    background: var(--background);
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
    text-align: center;
}

/* ========================================
   Weekly Plan
   ======================================== */
.week-range {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
}

.weekly-plan {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
    gap: var(--spacing-sm);
}

.weekly-item {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-height: 138px;
    padding: var(--spacing-md);
    background: var(--background);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.weekly-item:hover {
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.24);
    background: var(--surface);
    box-shadow: var(--shadow-level2);
}

.weekly-item.active {
    border-color: rgba(59, 130, 246, 0.48);
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.09), rgba(255, 255, 255, 0.92));
}

.weekly-item.completed {
    border-color: rgba(16, 185, 129, 0.22);
}

.weekly-item.rest {
    background: #fbfdff;
}

.weekly-day {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 800;
    white-space: nowrap;
}

.weekly-date {
    color: var(--text-muted);
    font-family: 'Inter', var(--font-sans);
    font-size: 12px;
}

.weekly-info {
    flex: 1;
    min-width: 0;
}

.weekly-part {
    display: -webkit-box;
    min-height: 38px;
    overflow: hidden;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 700;
    line-height: 1.35;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.weekly-duration {
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 12px;
}

.weekly-status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    width: max-content;
    max-width: 100%;
    padding: 4px 8px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
}

.weekly-status.completed {
    color: var(--success);
    background: var(--success-light);
}

.weekly-status.pending {
    color: var(--warning);
    background: var(--warning-light);
}

.weekly-status.rest {
    color: var(--text-secondary);
    background: var(--border-light);
}

/* ========================================
   Analysis
   ======================================== */
.analysis-summary {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.09), rgba(16, 185, 129, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.12);
    border-radius: var(--radius-md);
}

.analysis-summary p {
    margin: 0;
    color: var(--text-primary);
    line-height: 1.7;
}

.ai-reason-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
}

.ai-reason-card > i {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    background: var(--surface);
    border-radius: var(--radius-md);
}

.analysis-meta {
    display: grid;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
}

.meta-row:last-child {
    border-bottom: 0;
}

.meta-label {
    color: var(--text-secondary);
    font-size: 13px;
}

.meta-value {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 700;
    text-align: right;
}

.analysis-recommendations {
    display: grid;
    gap: var(--spacing-sm);
}

.recommendation-item {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--spacing-sm);
    align-items: start;
    padding: 10px 12px;
    background: var(--background);
    border-radius: var(--radius-sm);
}

.recommendation-item i {
    margin-top: 2px;
    color: var(--primary);
}

.recommendation-item strong {
    display: block;
    margin-bottom: 2px;
    color: var(--text-primary);
    font-size: 13px;
}

.recommendation-item span {
    display: block;
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.55;
}

/* ========================================
   Charts and Records
   ======================================== */
.stats-card .chart-container {
    width: 100%;
    height: 260px;
    min-height: 260px;
}

.records-list {
    display: grid;
    gap: var(--spacing-sm);
}

.training-insight-grid .records-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.record-item {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--background);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
}

.record-date {
    color: var(--text-secondary);
    font-family: 'Inter', var(--font-sans);
    font-size: 13px;
    font-weight: 700;
}

.record-info {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.record-part {
    overflow: hidden;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.record-duration {
    color: var(--text-secondary);
    font-size: 12px;
}

.record-badge {
    min-width: 46px;
    padding: 5px 8px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 800;
    text-align: center;
}

.record-badge.completed {
    color: var(--success);
    background: var(--success-light);
}

.record-badge.incomplete {
    color: var(--warning);
    background: var(--warning-light);
}

/* ========================================
   AI Card
   ======================================== */
.ai-card .ai-content {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.ai-card .ai-avatar {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: 18px;
}

.ai-card .ai-bubble {
    position: relative;
    flex: 1;
    padding: var(--spacing-md);
    background: var(--primary-light);
    border-radius: var(--radius-md);
    border-top-left-radius: 4px;
}

.ai-card .ai-bubble::before {
    content: '';
    position: absolute;
    top: 12px;
    left: -8px;
    border: 4px solid transparent;
    border-right-color: var(--primary-light);
}

.ai-card .ai-message {
    margin: 0;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.65;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1200px) {
    .training-grid,
    .training-insight-grid {
        grid-template-columns: 1fr;
    }

    .kpi-grid,
    .goal-chip-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .feedback-options {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .training-topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .mode-panel-head {
        flex-direction: column;
    }

    .equipment-toggle {
        width: 100%;
    }

    .topbar-actions {
        width: 100%;
        justify-content: stretch;
    }

    .topbar-actions .btn {
        flex: 1;
    }

    .page-title {
        font-size: 24px;
    }

    .kpi-grid,
    .goal-chip-grid,
    .goal-selector-grid,
    .goal-form-grid,
    .weekly-plan {
        grid-template-columns: 1fr;
    }

    .goal-ai-panel,
    .ai-reason-card {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .goal-ai-panel {
        flex-direction: column;
        align-items: stretch;
    }

    .kpi-card {
        min-height: 96px;
    }

    .fit-card-header,
    .card-header-left,
    .card-header-right {
        align-items: flex-start;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .action-item {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .action-index {
        display: none;
    }

    .action-weight {
        grid-column: 2;
        justify-self: start;
    }

    .stats-card .chart-container {
        height: 220px;
        min-height: 220px;
    }

    .training-insight-grid .records-list {
        grid-template-columns: 1fr;
    }

    .training-timer {
        align-items: stretch;
        flex-direction: column;
    }

    .timer-controls {
        justify-content: stretch;
    }

    .timer-controls .btn {
        flex: 1;
    }
}

@media (max-width: 520px) {
    .topbar-actions {
        flex-direction: column;
    }

    .topbar-actions .btn {
        width: 100%;
    }

    .record-item {
        grid-template-columns: 1fr;
        align-items: start;
        gap: var(--spacing-sm);
    }

    .record-badge {
        width: max-content;
    }

    .training-modal {
        padding: var(--spacing-sm);
    }

    .training-modal-header,
    .training-modal-body,
    .training-modal-footer {
        padding: var(--spacing-md);
    }

    .training-modal-footer,
    .feedback-options {
        grid-template-columns: 1fr;
    }

    .training-modal-footer {
        display: grid;
    }
}