/* Ketogains 5x5 - Minimalist Styles */

:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #252525;
    --text-primary: #f5f5f5;
    --text-secondary: #a0a0a0;
    --accent: #4ade80;
    --accent-hover: #22c55e;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --warning: #f59e0b;
    --border: #333;
    --success: #22c55e;
    --failure: #ef4444;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
    padding-bottom: 5.5rem; /* leave room for sticky footer */
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.app-version {
    margin-top: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

/* Offline Indicator */
.offline-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--warning);
    color: #000;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    animation: pulse-offline 2s infinite;
}

.offline-indicator.hidden {
    display: none;
}

.offline-indicator .offline-icon {
    font-size: 1rem;
}

.offline-indicator .offline-queue {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.offline-indicator .offline-queue:empty {
    display: none;
}

@keyframes pulse-offline {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Sync in progress indicator */
.sync-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--accent);
    color: #000;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.sync-indicator.hidden {
    display: none;
}

nav {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.nav-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.nav-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.nav-btn.active {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

/* Views */
.view {
    display: none;
}

.view.active {
    display: block;
}

/* Status Card */
.status-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.status-info {
    text-align: center;
}

.status-info .label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.status-info .value {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
}

#next-workout .value {
    color: var(--accent);
}

/* Buttons */
.primary-btn {
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: background 0.2s;
}

.primary-btn:hover {
    background: var(--accent-hover);
}

.primary-btn:disabled {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.cancel-btn {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.cancel-btn:hover {
    background: var(--danger);
    color: white;
}

.finish-btn {
    margin-top: 1.5rem;
}

/* Workout Header */
.workout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.workout-header h2 {
    font-size: 1.25rem;
}

.workout-toolbar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.secondary-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    width: 100%;
}

.secondary-btn:hover {
    background: var(--bg-secondary);
}

.pill.extra-pill {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.35);
    color: var(--warning);
}

.remove-extra-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    cursor: pointer;
}

.remove-extra-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.chart-wrap {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem;
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.muted {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.big {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0.25rem;
}

#workout-type {
    color: var(--accent);
}

/* Exercise Card */
.exercise-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.exercise-card.skipped {
    opacity: 0.55;
}

.exercise-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.exercise-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.exercise-name-wrap {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.exercise-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    padding: 0;
}

.exercise-chevron {
    display: inline-block;
    font-size: 0.9rem;
    transition: transform 0.2s ease;
}

.exercise-card.is-collapsed .exercise-chevron {
    transform: rotate(-90deg);
}

.exercise-card.is-collapsed .sets-list,
.exercise-card.is-collapsed .add-set-btn {
    display: none;
}

.exercise-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.swap-btn {
    background: transparent;
    border: 1px dashed var(--border);
    color: var(--text-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.swap-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent);
}

.swap-pill {
    background: rgba(74, 222, 128, 0.12);
    color: var(--accent);
}

.skip-btn {
    background: transparent;
    border: 1px solid rgba(239, 68, 68, 0.5);
    color: var(--danger);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.skip-btn.is-skipped {
    background: rgba(239, 68, 68, 0.2);
    color: #fecaca;
    border-color: rgba(239, 68, 68, 0.6);
}

.exercise-target {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.plate-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.plate-btn:hover {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

/* Sets Input */
.sets-container {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.set-input-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.sets-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.set-row {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.set-row.warmup {
    background: #1c1c1c;
    border-color: #2d2d2d;
}

.set-row.completed {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px rgba(74, 222, 128, 0.4);
    opacity: 0.92;
}

.set-row.warmup-completed {
    border-color: #facc15;
    background: #2a2a1a;
    box-shadow: 0 0 0 1px rgba(250, 204, 21, 0.35);
    opacity: 0.95;
}

.set-row-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.set-label-wrap {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.set-target {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.set-row-body {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.5rem;
    align-items: stretch;
}

.set-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
}

.set-field span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.set-field input {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    min-height: 44px;
}

.set-field input:focus {
    outline: none;
}

.warmup-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-secondary);
    font-size: 0.9rem;
    cursor: pointer;
}

.warmup-toggle input {
    width: 18px;
    height: 18px;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    background: rgba(74, 222, 128, 0.15);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
}

.warmup-pill {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px dashed var(--border);
}

.complete-btn {
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 44px;
    width: 100%;
}

.complete-btn.is-complete {
    background: #146b3a;
    color: #f0fff4;
}

.complete-btn:hover {
    filter: brightness(1.05);
}

.add-set-btn {
    margin-top: 0.25rem;
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    background: transparent;
    border: 1px dashed var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.add-set-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent);
}

.set-label {
    font-size: 0.625rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.set-input {
    width: 50px;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
}

.set-input:focus {
    outline: none;
    border-color: var(--accent);
}

.set-input.success {
    border-color: var(--success);
    background: rgba(34, 197, 94, 0.1);
}

.set-input.failure {
    border-color: var(--failure);
    background: rgba(239, 68, 68, 0.1);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    max-width: 400px;
    width: 90%;
    position: relative;
}

.modal-content h3 {
    margin-bottom: 1rem;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
}

.close-modal:hover {
    color: var(--text-primary);
}

#plate-details {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 1rem;
}

.plate-info {
    margin-bottom: 0.75rem;
}

.plate-info:last-child {
    margin-bottom: 0;
}

.plate-info .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: block;
}

.plate-info .value {
    font-size: 1.125rem;
    font-weight: 600;
}

.plate-visual {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.plate-chip {
    background: var(--accent);
    color: var(--bg-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* History */
.history-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.history-card.highlight {
    border-color: var(--warning);
    box-shadow: 0 0 0 2px rgba(255, 204, 0, 0.2);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.history-type {
    font-weight: 600;
    color: var(--accent);
}

.history-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.history-exercise {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.history-exercise .name {
    flex: 1;
}

.history-exercise .weight {
    color: var(--text-secondary);
    margin-right: 1rem;
}

.history-exercise .result {
    font-family: monospace;
}

.history-exercise .result.success {
    color: var(--success);
}

.history-exercise .result.failure {
    color: var(--failure);
}

.history-exercise .result.skipped {
    color: var(--text-secondary);
}

/* Progress */
.progress-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.progress-card.clickable {
    cursor: pointer;
}

.progress-card.clickable:hover {
    border-color: var(--accent);
}

.progress-name {
    font-weight: 500;
}

.progress-weight {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
}

.progress-failures {
    font-size: 0.75rem;
    color: var(--warning);
}

/* Calendar */
.calendar-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.calendar-title {
    text-align: center;
}

.calendar-title h2 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.calendar-stat {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.calendar-nav-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s;
}

.calendar-nav-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--accent);
    color: var(--accent);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.5rem;
}

.calendar-cell {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.6rem;
    min-height: 72px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.calendar-weekday {
    background: transparent;
    border: none;
    min-height: 32px;
    padding: 0;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    align-items: center;
    justify-content: center;
}

.calendar-day {
    font-size: 0.95rem;
    font-weight: 600;
}

.calendar-cell.outside {
    opacity: 0.35;
}

.calendar-indicator {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.calendar-exercise-dots {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    max-width: 100%;
}

.calendar-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}

.calendar-dot.failure {
    background: var(--warning);
}

.calendar-dot.skipped {
    background: var(--danger);
}

.calendar-count {
    font-weight: 600;
    font-size: 0.65rem;
    color: var(--text-secondary);
}

.calendar-cell.clickable {
    cursor: pointer;
    transition: all 0.2s;
}

.calendar-cell.clickable:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    transform: scale(1.02);
}

/* Utilities */
.hidden {
    display: none !important;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.sticky-footer {
    position: sticky;
    bottom: 0;
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    padding: 0.75rem 1rem 1rem;
    background: linear-gradient(180deg, rgba(15, 15, 15, 0) 0%, rgba(15, 15, 15, 0.9) 35%, rgba(15, 15, 15, 1) 100%);
    border-top: 1px solid var(--border);
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-stats {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.footer-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.footer-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent);
}

.sticky-footer .finish-btn {
    flex: 1;
    width: auto;
    margin-top: 0;
}

.rest-timer-toast {
    position: fixed;
    left: 50%;
    bottom: 5.5rem;
    transform: translateX(-50%);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    z-index: 30;
}

.rest-timer-info {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.rest-timer-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.rest-timer-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--warning);
}

.rest-timer-dismiss {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.1rem 0.25rem;
}

.rest-timer-dismiss:hover {
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 480px) {
    .status-card {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .status-info {
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
    
    .set-input {
        width: 44px;
        padding: 0.4rem;
    }

    .set-row-body {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .calendar-cell {
        min-height: 60px;
        padding: 0.5rem;
    }

    .calendar-nav-btn {
        width: 36px;
        height: 36px;
    }
}

/* ============================================
   Authentication Styles
   ============================================ */

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-container.hidden {
    display: none;
}

.login-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.login-card h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-form.hidden {
    display: none;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input {
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.auth-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.875rem;
    text-align: center;
}

.auth-error.hidden {
    display: none;
}

.setup-notice {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

/* Header with user info */
.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-email {
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-badge {
    background: var(--accent);
    color: #000;
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.admin-badge.hidden {
    display: none;
}

.logout-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.375rem 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.logout-btn:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

/* ============================================
   Admin Panel Styles
   ============================================ */

.admin-section {
    margin-top: 1rem;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.admin-header h3 {
    font-size: 1rem;
    font-weight: 500;
}

.user-card {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.user-card.inactive {
    opacity: 0.6;
}

.user-info-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.user-email-display {
    font-weight: 500;
}

.admin-tag {
    background: var(--accent);
    color: #000;
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
}

.inactive-tag {
    background: var(--danger);
    color: white;
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
}

.user-actions {
    display: flex;
    gap: 0.5rem;
}

.edit-user-btn,
.delete-user-btn {
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.edit-user-btn {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.edit-user-btn:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

.delete-user-btn {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.delete-user-btn:hover {
    background: var(--danger);
    color: white;
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Modal improvements for admin */
#add-user-modal .modal-content,
#edit-user-modal .modal-content {
    max-width: 400px;
}

#admin-nav-btn.hidden {
    display: none;
}

/* ============================================
   BOTTOM TAB BAR NAVIGATION (Mobile-First)
   ============================================ */

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    align-items: stretch;
    background: rgba(15, 15, 15, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    padding: 0.5rem 0.25rem;
    padding-bottom: calc(0.5rem + env(safe-area-inset-bottom, 0px));
    z-index: 100;
    transition: transform 0.3s ease;
}

.bottom-nav.hidden {
    display: none;
}

/* Push nav up when workout footer is visible */
.bottom-nav.has-workout-footer {
    bottom: 5rem;
}

.bottom-nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem 0.25rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 56px;
}

.bottom-nav-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.bottom-nav-btn.active {
    color: var(--accent);
}

.bottom-nav-btn.active .nav-icon {
    transform: scale(1.1);
}

.bottom-nav-btn .nav-icon {
    font-size: 1.4rem;
    transition: transform 0.2s ease;
}

.bottom-nav-btn .nav-label {
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.bottom-nav-btn.hidden {
    display: none;
}

/* ============================================
   STEPPER CONTROLS
   ============================================ */

.stepper-control {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.stepper-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    min-height: 48px;
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

.stepper-btn:hover {
    background: var(--accent);
    color: var(--bg-primary);
}

.stepper-btn:active {
    transform: scale(0.95);
    background: var(--accent-hover);
}

.stepper-btn.decrement {
    border-radius: 10px 0 0 10px;
}

.stepper-btn.increment {
    border-radius: 0 10px 10px 0;
}

.stepper-input {
    flex: 1;
    min-width: 60px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
    padding: 0.5rem 0;
    min-height: 48px;
}

.stepper-input:focus {
    outline: none;
    background: rgba(74, 222, 128, 0.08);
}

/* Set field with stepper */
.set-field-stepper {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.set-field-stepper > span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding-left: 0.25rem;
}

/* ============================================
   VISUAL POLISH & DARK MODE DEPTH
   ============================================ */

/* Enhanced body line-height for readability */
body {
    line-height: 1.7;
}

/* Text hierarchy */
.text-muted,
.muted {
    color: rgba(160, 160, 160, 0.85);
}

.text-secondary {
    color: rgba(160, 160, 160, 0.7);
}

/* Active exercise card glow */
.exercise-card.live-card {
    position: relative;
    background: linear-gradient(
        135deg,
        var(--bg-secondary) 0%,
        rgba(30, 30, 30, 1) 100%
    );
    border: 1px solid rgba(74, 222, 128, 0.15);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);
    transition: all 0.3s ease;
}

.exercise-card.live-card:not(.skipped):hover {
    border-color: rgba(74, 222, 128, 0.3);
    box-shadow: 
        0 6px 25px rgba(0, 0, 0, 0.35),
        0 0 30px rgba(74, 222, 128, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Set row depth */
.set-row {
    position: relative;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.85rem;
    background: linear-gradient(
        180deg,
        var(--bg-tertiary) 0%,
        rgba(30, 30, 30, 1) 100%
    );
    transition: all 0.3s ease;
}

.set-row.warmup {
    background: linear-gradient(
        180deg,
        #1e1e1e 0%,
        #1a1a1a 100%
    );
    border-color: #3a3a3a;
}

/* Success animation for completed sets */
.set-row.completed {
    border-color: var(--accent);
    background: linear-gradient(
        180deg,
        rgba(74, 222, 128, 0.12) 0%,
        rgba(74, 222, 128, 0.05) 100%
    );
    box-shadow: 
        0 0 0 1px rgba(74, 222, 128, 0.25),
        0 4px 12px rgba(74, 222, 128, 0.1);
    animation: setComplete 0.5s ease forwards;
}

@keyframes setComplete {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
    }
    30% {
        transform: scale(1.02);
        box-shadow: 0 0 20px 5px rgba(74, 222, 128, 0.3);
    }
    100% {
        transform: scale(1);
        box-shadow: 
            0 0 0 1px rgba(74, 222, 128, 0.25),
            0 4px 12px rgba(74, 222, 128, 0.1);
    }
}

.set-row.warmup-completed {
    border-color: #facc15;
    background: linear-gradient(
        180deg,
        rgba(250, 204, 21, 0.12) 0%,
        rgba(250, 204, 21, 0.05) 100%
    );
    box-shadow: 0 0 0 1px rgba(250, 204, 21, 0.25);
    animation: setCompleteWarmup 0.5s ease forwards;
}

@keyframes setCompleteWarmup {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(250, 204, 21, 0.5);
    }
    30% {
        transform: scale(1.02);
        box-shadow: 0 0 20px 5px rgba(250, 204, 21, 0.25);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 1px rgba(250, 204, 21, 0.25);
    }
}

/* Complete button states */
.complete-btn {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    transition: all 0.3s ease;
}

.complete-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.complete-btn:active::after {
    width: 200px;
    height: 200px;
}

.complete-btn.is-complete {
    background: linear-gradient(135deg, #146b3a 0%, #0d5129 100%);
}

.complete-btn.is-complete::before {
    content: '✓';
    margin-right: 0.35rem;
}

/* ============================================
   SLIDE TO CONFIRM (Finish Workout)
   ============================================ */

.slide-to-confirm {
    flex: 1;
    position: relative;
    height: 56px;
    background: var(--bg-tertiary);
    border-radius: 28px;
    border: 1px solid var(--border);
    overflow: hidden;
    touch-action: pan-x;
}

.slide-track {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-thumb {
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    transition: left 0.1s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 8px rgba(74, 222, 128, 0.3);
    z-index: 2;
    user-select: none;
    -webkit-user-select: none;
    touch-action: pan-x;
}

.slide-thumb:active {
    cursor: grabbing;
    box-shadow: 0 4px 16px rgba(74, 222, 128, 0.4);
}

.slide-thumb.sliding {
    transition: none;
}

.slide-arrow {
    color: var(--bg-primary);
    font-size: 1.25rem;
    font-weight: bold;
    animation: slideArrowPulse 1.5s ease-in-out infinite;
}

@keyframes slideArrowPulse {
    0%, 100% { opacity: 1; transform: translateX(0); }
    50% { opacity: 0.7; transform: translateX(3px); }
}

.slide-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.slide-to-confirm.completing .slide-text {
    opacity: 0;
}

.slide-to-confirm.completing .slide-thumb {
    background: linear-gradient(135deg, var(--accent-hover) 0%, #16a34a 100%);
}

/* Finishing state */
.slide-to-confirm.finishing {
    pointer-events: none;
}

.slide-to-confirm.finishing .slide-thumb {
    animation: finishPulse 0.8s ease infinite;
}

@keyframes finishPulse {
    0%, 100% { transform: translateY(-50%) scale(1); }
    50% { transform: translateY(-50%) scale(1.05); }
}

/* ============================================
   UPDATED STICKY FOOTER (works with bottom nav)
   ============================================ */

.sticky-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 100%;
    padding: 0.75rem 1rem;
    padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border);
    z-index: 110;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sticky-footer.hidden {
    display: none;
}

/* When footer is visible, push bottom nav up */
body.has-workout-footer .bottom-nav {
    transform: translateY(-100%);
    bottom: 5rem;
}

/* Also add padding to container for both nav and footer */
.container {
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 60px));
}

body.has-workout-footer .container {
    padding-bottom: calc(10rem + env(safe-area-inset-bottom, 60px));
}

/* ============================================
   UPDATED SET ROW BODY WITH STEPPERS
   ============================================ */

.set-row-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    align-items: stretch;
}

@media (min-width: 480px) {
    .set-row-body {
        grid-template-columns: repeat(4, 1fr);
    }
}

.set-row-body .warmup-toggle {
    grid-column: span 1;
}

.set-row-body .complete-btn {
    grid-column: span 1;
}

@media (max-width: 479px) {
    .set-row-body .warmup-toggle,
    .set-row-body .complete-btn {
        grid-column: span 1;
    }
}

/* ============================================
   HEADER UPDATES (smaller without nav)
   ============================================ */

header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* ============================================
   STATUS CARD POLISH
   ============================================ */

.status-card {
    background: linear-gradient(
        145deg,
        var(--bg-secondary) 0%,
        rgba(30, 30, 30, 1) 100%
    );
    border: 1px solid rgba(51, 51, 51, 0.8);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

/* ============================================
   HISTORY & PROGRESS CARD POLISH
   ============================================ */

.history-card,
.progress-card {
    background: linear-gradient(
        145deg,
        var(--bg-secondary) 0%,
        rgba(28, 28, 28, 1) 100%
    );
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.25s ease;
}

.history-card:hover,
.progress-card.clickable:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* ============================================
   MODAL POLISH
   ============================================ */

.modal {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-content {
    background: linear-gradient(
        180deg,
        var(--bg-secondary) 0%,
        rgba(22, 22, 22, 1) 100%
    );
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.05);
}

/* ============================================
   REST TIMER TOAST (position above footer)
   ============================================ */

.rest-timer-toast {
    bottom: calc(6.5rem + env(safe-area-inset-bottom, 0px));
}

body.has-workout-footer .rest-timer-toast {
    bottom: calc(11rem + env(safe-area-inset-bottom, 0px));
}

/* ============================================
   BUTTON HOVER IMPROVEMENTS
   ============================================ */

.primary-btn {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    box-shadow: 0 2px 8px rgba(74, 222, 128, 0.25);
    transition: all 0.25s ease;
}

.primary-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(74, 222, 128, 0.35);
}

.primary-btn:active:not(:disabled) {
    transform: translateY(0);
}

.secondary-btn {
    transition: all 0.25s ease;
}

.secondary-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ============================================
   CALENDAR CELL POLISH
   ============================================ */

.calendar-cell {
    background: linear-gradient(
        180deg,
        var(--bg-secondary) 0%,
        rgba(22, 22, 22, 1) 100%
    );
    transition: all 0.25s ease;
}

.calendar-cell.clickable:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}