* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    font-family: Tahoma, Arial, sans-serif;
    background: #f2f4f7;
    color: #1f2937;
    direction: rtl;
}

/* =========================
   Container
========================= */
.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 12px 12px 40px;
}

/* =========================
   Header
========================= */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.page-header h1 {
    margin: 0;
    font-size: 22px;
    line-height: 1.4;
}

.page-header p {
    margin: 3px 0 0;
    font-size: 13px;
    color: #6b7280;
}

.settings-icon-btn {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: #f3f4f6;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
}

.settings-icon-btn:hover {
    background: #e5e7eb;
}

/* =========================
   Buttons
========================= */
button,
.secondary-btn {
    min-height: 46px;
    border-radius: 10px;
    border: 1px solid transparent;
    padding: 10px 12px;
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
    touch-action: manipulation;
}

.primary-btn {
    background: #2563eb;
    color: white;
    font-weight: bold;
}

.secondary-btn {
    background: white;
    border-color: #d1d5db;
    color: #374151;
}

.danger-btn {
    background: #fee2e2;
    color: #991b1b;
    border-color: #fecaca;
}

/* =========================
   Cards
========================= */
.card {
    background: white;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    padding: 14px;
    margin-bottom: 12px;
}

/* =========================
   Session selector
========================= */
.session-selector {
    padding: 10px;
}

.selector-title {
    font-size: 12px;
    color: #6b7280;
    margin: 2px 4px 8px;
}

.session-buttons {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 4px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
}

.session-buttons::-webkit-scrollbar {
    height: 3px;
}

.session-btn {
    flex: 1 0 96px;
    scroll-snap-align: center;
    min-height: 62px;
    padding: 7px 4px;
    border-radius: 9px;
    border: 1px solid #d1d5db;
    background: white;
    color: #374151;
    font-family: inherit;
    cursor: pointer;
}

.session-btn strong {
    display: block;
    font-size: 13px;
    margin-bottom: 4px;
}

.session-btn span {
    display: block;
    font-size: 10px;
    line-height: 1.4;
    color: #6b7280;
}

.session-btn.active {
    background: #eff6ff;
    border-color: #2563eb;
    color: #1d4ed8;
}

.session-btn.active span {
    color: #2563eb;
}

/* =========================
   Session info
========================= */
.session-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.field label {
    font-size: 14px;
    color: #6b7280;
    font-weight: 600;
}

input,
select {
    width: 100%;
    height: 44px;
    padding: 8px 10px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: white;
    font-family: inherit;
    font-size: 16px;
    color: #1f2937;
}

input:focus,
select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.session-note {
    grid-column: 1 / -1;
    padding: 9px 11px;
    border-radius: 8px;
    background: #eff6ff;
    color: #1e40af;
    font-size: 11px;
    line-height: 1.7;
}

/* =========================
   Backup warning banner
========================= */
.backup-warning-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fffbeb;
    border-color: #fde68a;
}

.backup-warning-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.backup-warning-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.backup-warning-text strong {
    font-size: 13px;
    color: #92400e;
}

.backup-warning-text span {
    font-size: 11px;
    color: #b45309;
    line-height: 1.6;
}

.backup-warning-banner .secondary-btn {
    flex-shrink: 0;
    min-height: 38px;
    font-size: 12px;
}

/* =========================
   Default program suggestion
========================= */
.default-program-suggestion p {
    font-size: 13px;
    color: #374151;
    line-height: 1.8;
    margin: 8px 0 12px;
}

.default-program-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* =========================
   Date picker trigger button
========================= */
.date-picker-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 44px;
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: white;
    font-family: inherit;
    font-size: 14px;
    color: #1f2937;
    cursor: pointer;
}

.date-picker-btn:hover {
    border-color: #9ca3af;
}

.date-picker-icon {
    font-size: 16px;
}

/* =========================
   Date picker calendar (modal)
========================= */
.date-picker-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(17, 24, 39, 0.5);
}

.date-picker-modal {
    width: 100%;
    max-width: 340px;
    padding: 16px;
    border-radius: 16px;
    background: white;
}

.date-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.date-picker-header h3 {
    margin: 0;
    font-size: 15px;
}

.date-picker-nav {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 8px;
    background: #f3f4f6;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
}

.date-picker-nav:hover {
    background: #e5e7eb;
}

.date-picker-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    direction: ltr;
    margin-bottom: 4px;
    font-size: 11px;
    color: #9ca3af;
    text-align: center;
}

.date-picker-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    direction: ltr;
    gap: 4px;
}

.date-picker-day {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-width: 0;
    height: 40px;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    font-family: inherit;
    font-size: 13px;
    color: #1f2937;
    cursor: pointer;
}

.date-picker-day.empty {
    cursor: default;
}

.date-picker-day:not(.empty):hover {
    background: #f3f4f6;
}

.date-picker-day.today {
    box-shadow: inset 0 0 0 1px #2563eb;
}

.date-picker-day.selected {
    background: #2563eb;
    color: white;
}

.date-picker-day-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    box-sizing: border-box;
}

.date-picker-day.has-workout .date-picker-day-circle {
    border-color: #16a34a;
}

.date-picker-day.selected.has-workout .date-picker-day-circle {
    border-color: white;
}

.date-picker-legend {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 10px 0;
    font-size: 11px;
    color: #6b7280;
}

.date-picker-legend-circle {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid #16a34a;
    box-sizing: border-box;
    flex-shrink: 0;
}

.date-picker-close {
    width: 100%;
}

/* =========================
   Exercise card
========================= */
.exercise-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
}

.exercise-header {
    padding: 12px;
    background: #fafafa;
    border-bottom: 1px solid #e5e7eb;
}

.exercise-title {
    display: flex;
    align-items: center;
    gap: 9px;
}

.exercise-number {
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #2563eb;
    color: white;
    font-size: 13px;
    font-weight: bold;
}

.exercise-header h2 {
    margin: 0 0 5px;
    font-size: 19px;
    line-height: 1.45;
    font-weight: 700;
}

.exercise-meta {
    font-size: 12px;
    line-height: 1.8;
    color: #6b7280;
}

/* =========================
   Exercise action buttons
========================= */
.exercise-help-btn,
.exercise-history-btn {
    margin-top: 8px;
    min-height: 38px;
    padding: 7px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: white;
    color: #2563eb;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.exercise-help-btn:active,
.exercise-history-btn:active {
    background: #eff6ff;
}

/* =========================
   Sets
========================= */
.sets-container {
    padding: 10px;
}

.set-row {
    display: grid;
    grid-template-columns: 58px 1fr 1fr;
    gap: 7px;
    align-items: center;
    margin-bottom: 7px;
}

.set-label {
    font-size: 14px;
    color: #4b5563;
    text-align: center;
    font-weight: bold;
    white-space: nowrap;
}

.set-row input {
    height: 44px;
    text-align: center;
    font-size: 16px;
    direction: ltr;
}

.set-difference {
    grid-column: 2 / 4;
    padding: 2px 5px;
    min-height: 14px;
    font-size: 11.5px;
    font-weight: 600;
    color: #1f2937;
    text-align: right;
    direction: rtl;
}

.set-difference:empty {
    display: none;
}

/* =========================
   Workout summary
========================= */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin: 16px 0 12px;
}

.summary-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 11px;
    text-align: center;
}

.summary-card span {
    display: block;
    font-size: 11px;
    color: #6b7280;
    margin-bottom: 5px;
}

.summary-card strong {
    font-size: 19px;
}

.summary-card small {
    display: block;
    margin-top: 2px;
    font-size: 9px;
    color: #9ca3af;
}

/* =========================
   Save workout
========================= */
.save-workout-section {
    margin: 4px 0 18px;
}

/* =========================
   History
========================= */
.history-section {
    margin-top: 16px;
}

.section-title h2 {
    margin: 0;
    font-size: 17px;
}

.section-title p {
    margin: 4px 0 0;
    font-size: 11px;
    color: #6b7280;
}

.history-table-wrapper {
    margin-top: 12px;
    overflow-x: auto;
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
}

.history-table th,
.history-table td {
    padding: 9px 5px;
    border-bottom: 1px solid #e5e7eb;
    text-align: center;
    white-space: nowrap;
}

.history-table th {
    color: #6b7280;
    background: #f9fafb;
    font-weight: normal;
}

.history-empty {
    padding: 25px 10px;
    text-align: center;
    font-size: 12px;
    color: #9ca3af;
}

/* =========================
   Exercise History Modal
========================= */
.exercise-history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 14px;
}

.exercise-history-item {
    padding: 12px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    background: #f9fafb;
}

.exercise-history-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
    padding-bottom: 9px;
    border-bottom: 1px solid #e5e7eb;
    font-size: 12px;
    line-height: 1.7;
}

.exercise-history-info strong {
    color: #1f2937;
}

.exercise-history-info span {
    color: #6b7280;
    white-space: nowrap;
}

.exercise-history-sets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.history-set {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 6px;
    border-radius: 8px;
    background: white;
    border: 1px solid #e5e7eb;
    font-size: 13px;
    font-weight: bold;
    color: #1f2937;
    direction: ltr;
}

/* =========================
   Settings (full page)
========================= */
.settings-page-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: white;
}

.settings-page {
    display: flex;
    flex-direction: column;
    height: 100%;
}

@media (min-width: 900px) {
    .settings-page-overlay {
        display: flex;
        justify-content: center;
        background: #f2f4f7;
    }

    .settings-page {
        width: 100%;
        max-width: 600px;
        background: white;
        box-shadow: 0 0 0 1px #e5e7eb;
    }
}

.settings-page-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px;
    border-bottom: 1px solid #f3f4f6;
}

.settings-page-header h2 {
    margin: 0;
    font-size: 18px;
}

.settings-content {
    flex: 1;
    overflow-y: auto;
}

.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px;
    border-bottom: 1px solid #f3f4f6;
}

.setting-row:last-child {
    border-bottom: none;
}

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

.setting-info strong {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    color: #374151;
}

.setting-info span {
    display: block;
    font-size: 10px;
    line-height: 1.7;
    color: #9ca3af;
}

.setting-row .secondary-btn,
.setting-row .danger-btn {
    flex: 0 0 auto;
    min-height: 42px;
    font-size: 12px;
}

.backup-setting,
.program-setting {
    align-items: flex-start;
    flex-direction: column;
}

.backup-setting .setting-info,
.program-setting .setting-info {
    width: 100%;
}

.backup-actions,
.program-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
    margin-top: 4px;
}

.program-actions {
    grid-template-columns: 1fr;
}

.file-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
}

.danger-setting .setting-info strong {
    color: #991b1b;
}

/* =========================
   My Programs (full page)
========================= */
.my-programs-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: white;
}

.my-programs-page {
    display: flex;
    flex-direction: column;
    height: 100%;
}

@media (min-width: 900px) {
    .my-programs-overlay {
        display: flex;
        justify-content: center;
        background: #f2f4f7;
    }

    .my-programs-page {
        width: 100%;
        max-width: 600px;
        background: white;
        box-shadow: 0 0 0 1px #e5e7eb;
    }
}

.my-programs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 16px;
    border-bottom: 1px solid #f3f4f6;
}

.my-programs-header h2 {
    margin: 0;
    font-size: 20px;
}

.my-programs-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.my-programs-empty {
    font-size: 13px;
    color: #9ca3af;
}

.my-program-card {
    margin-bottom: 12px;
    padding: 14px;
    border-radius: 14px;
    background: #f9fafb;
}

.my-program-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.my-program-summary-info h3 {
    margin: 0 0 4px;
    font-size: 14px;
    color: #374151;
}

.my-program-current-badge {
    margin-right: 6px;
    padding: 2px 8px;
    border-radius: 999px;
    background: #dbeafe;
    color: #1d4ed8;
    font-size: 10px;
}

.my-program-dates {
    display: block;
    font-size: 11px;
    color: #9ca3af;
}

.my-program-details {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #e5e7eb;
}

.my-program-session {
    margin-bottom: 10px;
}

.my-program-session h4 {
    margin: 0 0 4px;
    font-size: 11px;
    color: #6b7280;
}

.my-program-exercise-list {
    margin: 0;
    padding-right: 16px;
    list-style: disc;
}

.my-program-exercise-list li {
    margin-bottom: 4px;
    font-size: 11px;
    line-height: 1.7;
}

.my-program-exercise-name {
    display: block;
    color: #374151;
}

.my-program-exercise-meta {
    display: block;
    color: #9ca3af;
    font-size: 10px;
}

/* =========================
   Exercise Guide Modal
========================= */
.exercise-guide-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
}

.exercise-guide-modal {
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    background: white;
    border-radius: 18px 18px 0 0;
    padding: 16px;
}

.exercise-guide-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.exercise-guide-header h2 {
    margin: 0;
    font-size: 22px;
    line-height: 1.5;
}

.exercise-guide-close {
    width: 38px;
    height: 38px;
    min-height: 38px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: #f3f4f6;
    color: #374151;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
}

.exercise-guide-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.exercise-guide-image,
.exercise-guide-video {
    display: block;
    width: 100%;
    max-width: 420px;
    max-height: 60vh;
    margin: 0 auto 20px;
    object-fit: contain;
    border-radius: 12px;
}

.exercise-guide-no-image {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    background: #f3f4f6;
    color: #9ca3af;
    font-size: 12px;
}

.exercise-guide-instructions {
    margin: 18px 0;
    padding-right: 26px;
    font-size: 16px;
    line-height: 2;
    color: #374151;
}

.exercise-guide-done {
    width: 100%;
    margin-top: 4px;
}

/* =========================
   Exercise Bank Page
========================= */
.exercise-bank-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: white;
}

.exercise-bank-page {
    display: flex;
    flex-direction: column;
    height: 100%;
}

@media (min-width: 900px) {
    .exercise-bank-overlay {
        display: flex;
        justify-content: center;
        background: #f2f4f7;
    }

    .exercise-bank-page {
        width: 100%;
        max-width: 600px;
        background: white;
        box-shadow: 0 0 0 1px #e5e7eb;
    }
}

.exercise-bank-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 16px;
    border-bottom: 1px solid #f3f4f6;
}

.exercise-bank-header h2 {
    margin: 0;
    font-size: 20px;
}

.exercise-bank-list {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.exercise-bank-category-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.exercise-bank-category-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    background: #f3f4f6;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s, border-color 0.15s;
}

.exercise-bank-category-header:hover {
    background: #e5e7eb;
}

.exercise-bank-category-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.exercise-bank-category-badge {
    font-size: 14px;
    font-weight: 700;
    color: #2563eb;
}

.exercise-bank-category-count {
    font-size: 11px;
    color: #6b7280;
    background: #ffffff;
    padding: 2px 7px;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.exercise-bank-category-arrow {
    font-size: 14px;
    color: #6b7280;
    transition: transform 0.2s ease;
}

.exercise-bank-category-group.collapsed .exercise-bank-category-arrow {
    transform: rotate(-90deg);
}

.exercise-bank-category-group.collapsed .exercise-bank-category-items {
    display: none;
}

.exercise-bank-category-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 2px 4px;
}

.exercise-bank-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    background: #f9fafb;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.exercise-bank-item:active {
    background: #eff6ff;
    border-color: #93c5fd;
}

.exercise-bank-thumb {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.exercise-bank-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.exercise-bank-thumb-placeholder {
    font-size: 24px;
}

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

.exercise-bank-name {
    margin: 0 0 4px;
    font-size: 15px;
    font-weight: bold;
    color: #1f2937;
}

.exercise-bank-id {
    margin: 0;
    font-size: 12px;
    color: #6b7280;
    direction: ltr;
    text-align: right;
    font-family: monospace, Arial, sans-serif;
}

/* =========================
   Dark Mode
========================= */
body.dark-mode {
    background: #111827;
    color: #f3f4f6;
}

body.dark-mode .card,
body.dark-mode .summary-card,
body.dark-mode .exercise-card {
    background: #1f2937;
    border-color: #374151;
}

body.dark-mode .page-header p,
body.dark-mode .selector-title,
body.dark-mode .field label,
body.dark-mode .exercise-meta,
body.dark-mode .section-title p {
    color: #9ca3af;
}

body.dark-mode .session-btn {
    background: #1f2937;
    border-color: #4b5563;
    color: #f3f4f6;
}

body.dark-mode .session-btn span {
    color: #9ca3af;
}

body.dark-mode .session-btn.active {
    background: #1e3a8a;
    border-color: #3b82f6;
    color: #dbeafe;
}

body.dark-mode .session-btn.active span {
    color: #bfdbfe;
}

body.dark-mode input,
body.dark-mode select {
    background: #111827;
    border-color: #4b5563;
    color: #f3f4f6;
}

body.dark-mode input:focus,
body.dark-mode select:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 2px rgba(96, 165, 250, 0.15);
}

body.dark-mode .date-picker-btn {
    background: #111827;
    border-color: #4b5563;
    color: #f3f4f6;
}

body.dark-mode .date-picker-modal {
    background: #1f2937;
}

body.dark-mode .date-picker-header h3 {
    color: #f3f4f6;
}

body.dark-mode .date-picker-nav {
    background: #374151;
    color: #f3f4f6;
}

body.dark-mode .date-picker-nav:hover {
    background: #4b5563;
}

body.dark-mode .date-picker-day {
    color: #e5e7eb;
}

body.dark-mode .date-picker-day:not(.empty):hover {
    background: #374151;
}

body.dark-mode .date-picker-legend {
    color: #9ca3af;
}

body.dark-mode .backup-warning-banner {
    background: #451a03;
    border-color: #92400e;
}

body.dark-mode .backup-warning-text strong {
    color: #fde68a;
}

body.dark-mode .backup-warning-text span {
    color: #fcd34d;
}

body.dark-mode .default-program-suggestion p {
    color: #d1d5db;
}

body.dark-mode .session-note {
    background: #172554;
    color: #bfdbfe;
}

body.dark-mode .summary-card span {
    color: #9ca3af;
}

body.dark-mode .summary-card small {
    color: #6b7280;
}

body.dark-mode .exercise-header {
    background: #18212f;
    border-color: #374151;
}

body.dark-mode .set-label {
    color: #d1d5db;
}

body.dark-mode .set-difference {
    color: #e2e8f0;
    font-weight: 600;
}

body.dark-mode .secondary-btn {
    background: #1f2937;
    border-color: #4b5563;
    color: #f3f4f6;
}

body.dark-mode .secondary-btn:active {
    background: #374151;
}

body.dark-mode .exercise-help-btn,
body.dark-mode .exercise-history-btn {
    background: #1f2937;
    border-color: #4b5563;
    color: #93c5fd;
}

body.dark-mode .exercise-help-btn:active,
body.dark-mode .exercise-history-btn:active {
    background: #172554;
}

body.dark-mode .history-table th {
    background: #111827;
    color: #9ca3af;
}

body.dark-mode .history-table th,
body.dark-mode .history-table td {
    border-color: #374151;
}

body.dark-mode .history-empty {
    color: #6b7280;
}

body.dark-mode .exercise-history-item {
    background: #18212f;
    border-color: #374151;
}

body.dark-mode .exercise-history-info {
    border-color: #374151;
}

body.dark-mode .exercise-history-info strong {
    color: #f3f4f6;
}

body.dark-mode .exercise-history-info span {
    color: #9ca3af;
}

body.dark-mode .history-set {
    background: #1f2937;
    border-color: #374151;
    color: #f3f4f6;
}

body.dark-mode .settings-icon-btn {
    background: #374151;
    color: #f3f4f6;
}

body.dark-mode .settings-icon-btn:hover {
    background: #4b5563;
}

body.dark-mode .settings-page-overlay {
    background: #111827;
}

@media (min-width: 900px) {
    body.dark-mode .settings-page-overlay {
        background: #0b0f17;
    }

    body.dark-mode .settings-page {
        background: #111827;
        box-shadow: 0 0 0 1px #374151;
    }
}

body.dark-mode .settings-page-header {
    border-color: #374151;
}

body.dark-mode .settings-page-header h2 {
    color: #f3f4f6;
}

body.dark-mode .settings-content {
    border-color: #374151;
}

body.dark-mode .setting-row {
    border-color: #374151;
}

body.dark-mode .setting-info strong {
    color: #f3f4f6;
}

body.dark-mode .setting-info span {
    color: #9ca3af;
}

body.dark-mode .danger-setting .setting-info strong {
    color: #fecaca;
}

body.dark-mode .my-programs-overlay {
    background: #111827;
}

@media (min-width: 900px) {
    body.dark-mode .my-programs-overlay {
        background: #0b0f17;
    }

    body.dark-mode .my-programs-page {
        background: #111827;
        box-shadow: 0 0 0 1px #374151;
    }
}

body.dark-mode .my-programs-header {
    border-color: #374151;
}

body.dark-mode .my-programs-header h2 {
    color: #f3f4f6;
}

body.dark-mode .my-program-card {
    background: #1f2937;
}

body.dark-mode .my-program-summary-info h3 {
    color: #f3f4f6;
}

body.dark-mode .my-program-details {
    border-color: #374151;
}

body.dark-mode .my-program-session h4 {
    color: #d1d5db;
}

body.dark-mode .my-program-exercise-name {
    color: #e5e7eb;
}

body.dark-mode .exercise-guide-modal {
    background: #1f2937;
    color: #f3f4f6;
}

body.dark-mode .exercise-guide-close {
    background: #374151;
    color: #f3f4f6;
}

body.dark-mode .exercise-guide-instructions {
    color: #d1d5db;
}

body.dark-mode .exercise-guide-no-image {
    background: #111827;
    color: #6b7280;
}

body.dark-mode .danger-btn {
    background: #450a0a;
    border-color: #7f1d1d;
    color: #fecaca;
}

/* Dark mode for Exercise Bank */
body.dark-mode .exercise-bank-overlay {
    background: #111827;
}

@media (min-width: 900px) {
    body.dark-mode .exercise-bank-overlay {
        background: #0b0f17;
    }

    body.dark-mode .exercise-bank-page {
        background: #111827;
        box-shadow: 0 0 0 1px #374151;
    }
}

body.dark-mode .exercise-bank-header {
    border-color: #374151;
}

body.dark-mode .exercise-bank-header h2 {
    color: #f3f4f6;
}

body.dark-mode .exercise-bank-category-header {
    background: #1f2937;
    border-color: #374151;
}

body.dark-mode .exercise-bank-category-header:hover {
    background: #374151;
}

body.dark-mode .exercise-bank-category-arrow {
    color: #9ca3af;
}

body.dark-mode .exercise-bank-category-badge {
    color: #60a5fa;
}

body.dark-mode .exercise-bank-category-count {
    background: #111827;
    border-color: #374151;
    color: #9ca3af;
}

body.dark-mode .exercise-bank-item {
    background: #1f2937;
    border-color: #374151;
}

body.dark-mode .exercise-bank-item:active {
    background: #1e3a8a;
    border-color: #3b82f6;
}

body.dark-mode .exercise-bank-thumb {
    background: #374151;
}

body.dark-mode .exercise-bank-name {
    color: #f3f4f6;
}

body.dark-mode .exercise-bank-id {
    color: #9ca3af;
}

/* =========================
   Settings: uniform buttons + update button
========================= */
.setting-row .setting-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 150px;
    min-height: 42px;
    padding: 8px 10px;
    font-size: 12px;
    text-align: center;
    white-space: nowrap;
}

#updateAppBtn:disabled {
    opacity: 0.5;
    cursor: default;
}

#updateAppBtn.update-ready {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
    font-weight: bold;
}

/* =========================
   Onboarding (empty program state)
========================= */
.onboarding {
    padding: 20px 16px;
}

.onboarding-hero {
    text-align: center;
    margin-bottom: 18px;
}

.onboarding-hero h2 {
    margin: 0 0 8px;
    font-size: 20px;
    line-height: 1.5;
}

.onboarding-hero p {
    margin: 0;
    font-size: 13px;
    line-height: 1.9;
    color: #6b7280;
}

.onboarding-steps {
    list-style: none;
    margin: 0 0 18px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.onboarding-step {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: #f9fafb;
}

.onboarding-step-icon {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #eff6ff;
    font-size: 18px;
}

.onboarding-step-text {
    min-width: 0;
}

.onboarding-step-label {
    display: block;
    margin-bottom: 2px;
    font-size: 11px;
    font-weight: 600;
    color: #2563eb;
}

.onboarding-step-text strong {
    display: block;
    margin-bottom: 3px;
    font-size: 14px;
    line-height: 1.6;
    color: #1f2937;
}

.onboarding-step-desc {
    display: block;
    font-size: 12px;
    line-height: 1.8;
    color: #6b7280;
}

.onboarding-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.onboarding-actions .primary-btn,
.onboarding-actions .secondary-btn {
    width: 100%;
}

.onboarding-actions .default-program-suggestion {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: center;
}

.onboarding-actions .default-program-suggestion small {
    font-size: 11px;
    line-height: 1.7;
    color: #9ca3af;
}

body.dark-mode .onboarding-hero p,
body.dark-mode .onboarding-step-desc {
    color: #9ca3af;
}

body.dark-mode .onboarding-step {
    background: #18212f;
    border-color: #374151;
}

body.dark-mode .onboarding-step-icon {
    background: #172554;
}

body.dark-mode .onboarding-step-label {
    color: #93c5fd;
}

body.dark-mode .onboarding-step-text strong {
    color: #f3f4f6;
}

body.dark-mode .onboarding-actions .default-program-suggestion small {
    color: #6b7280;
}

/* =========================
   Toast (end-of-session message)
========================= */
.app-toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    z-index: 2000;
    max-width: calc(100% - 32px);
    padding: 11px 16px;
    border-radius: 10px;
    background: #111827;
    color: white;
    font-size: 13px;
    line-height: 1.8;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    opacity: 0;
    transform: translate(-50%, 8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    pointer-events: none;
}

.app-toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

.app-toast.warning {
    background: #92400e;
}

.app-toast.info {
    background: #1e3a8a;
}

body.dark-mode .app-toast {
    background: #374151;
}

body.dark-mode .app-toast.warning {
    background: #b45309;
}

body.dark-mode .app-toast.info {
    background: #1d4ed8;
}