/* ========================================
   EXERCISES STYLES
   ======================================== */

/* Exercises Header */
.exercises-header {
    margin-bottom: var(--space-lg);
}

.exercises-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.exercises-header p {
    color: var(--text-secondary);
}

/* Filter Section */
.filter-section {
    margin-bottom: var(--space-md);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.filter-section::-webkit-scrollbar {
    display: none;
}

.filter-chips {
    display: flex;
    gap: var(--space-sm);
    padding-bottom: var(--space-xs);
}

.filter-chip {
    flex-shrink: 0;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.filter-chip:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-secondary);
}

.filter-chip.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* Exercise List */
.exercise-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* Exercise Card */
.exercise-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.exercise-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    transform: translateX(4px);
}

.exercise-card.selected {
    border-color: var(--accent-primary);
    background: rgba(108, 92, 231, 0.1);
}

.exercise-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.exercise-icon.chest { background: rgba(139, 92, 246, 0.2); color: var(--purple); }
.exercise-icon.back { background: rgba(59, 130, 246, 0.2); color: var(--blue); }
.exercise-icon.shoulders { background: rgba(249, 115, 22, 0.2); color: var(--orange); }
.exercise-icon.biceps { background: rgba(236, 72, 153, 0.2); color: var(--pink); }
.exercise-icon.triceps { background: rgba(6, 182, 212, 0.2); color: var(--cyan); }
.exercise-icon.legs { background: rgba(34, 197, 94, 0.2); color: var(--green); }
.exercise-icon.core { background: rgba(250, 204, 21, 0.2); color: var(--warning); }
.exercise-icon.forearms { background: rgba(168, 85, 247, 0.2); color: #a855f7; }

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

.exercise-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.exercise-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.exercise-tag {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
}

.exercise-tag.muscle {
    background: rgba(108, 92, 231, 0.2);
    color: var(--accent-secondary);
}

.exercise-arrow {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* Exercise Detail Modal */
.exercise-detail-image {
    width: 100%;
    height: 180px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    overflow: hidden;
}

.exercise-detail-image i {
    font-size: 4rem;
    color: var(--text-tertiary);
}

.exercise-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

#exerciseDetailName {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-md);
}

.exercise-detail-tags {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.exercise-detail-tags .tag {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.exercise-detail-muscles {
    margin-bottom: var(--space-lg);
}

.exercise-detail-muscles h3,
.exercise-instructions h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.exercise-instructions {
    margin-bottom: var(--space-lg);
}

.exercise-instructions ol {
    padding-left: var(--space-lg);
}

.exercise-instructions li {
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.add-to-workout-btn {
    width: 100%;
    padding: var(--space-md);
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: var(--transition-fast);
}

.add-to-workout-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.add-to-workout-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Search Results */
.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.search-result-item:hover {
    background: var(--bg-card-hover);
}

.search-result-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.search-result-info h4 {
    font-size: 0.95rem;
    font-weight: 500;
}

.search-result-info p {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.no-results {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-tertiary);
}

.no-results i {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

/* ========================================
   WORKOUT SCREEN STYLES
   ======================================== */

.workout-header {
    margin-bottom: var(--space-lg);
}

.workout-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

/* Template List */
.template-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.template-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

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

.template-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.template-info {
    flex: 1;
}

.template-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.template-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.template-card > i {
    color: var(--text-tertiary);
}

/* History List */
.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.history-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.history-card:hover {
    background: var(--bg-card-hover);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-sm);
}

.history-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.history-date {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.history-stats {
    display: flex;
    gap: var(--space-lg);
}

.history-stat {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.history-stat i {
    color: var(--accent-primary);
}

/* ========================================
   ACTIVE WORKOUT SCREEN
   ======================================== */

.screen.overlay {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    width: 100%;
    max-width: 480px;
    height: 100%;
    background: var(--bg-primary);
    z-index: 150;
    display: block;
    opacity: 0;
    transition: var(--transition-normal);
}

.screen.overlay.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.active-workout-header {
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--bg-tertiary);
    z-index: 10;
}

.back-btn {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

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

.workout-timer {
    font-size: 1.5rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.finish-btn {
    padding: var(--space-sm) var(--space-lg);
    background: var(--success);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.finish-btn:hover {
    opacity: 0.9;
}

.workout-title-input {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-card);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    outline: none;
    transition: var(--transition-fast);
}

.workout-title-input:focus {
    border-color: var(--accent-primary);
}

.workout-title-input::placeholder {
    color: var(--text-tertiary);
}

/* Active Exercises List */
.active-exercises {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

/* Exercise Block in Active Workout */
.exercise-block {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.exercise-block-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-bottom: 1px solid var(--bg-tertiary);
}

.exercise-block-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.exercise-block-info {
    flex: 1;
}

.exercise-block-info h4 {
    font-size: 1rem;
    font-weight: 600;
}

.exercise-block-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.exercise-block-menu {
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.exercise-block-menu:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Sets Table */
.sets-table {
    padding: var(--space-sm);
}

.sets-header {
    display: grid;
    grid-template-columns: 50px 1fr 1fr 50px;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-xs);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    font-weight: 600;
}

.set-row {
    display: grid;
    grid-template-columns: 50px 1fr 1fr 50px;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-xs);
    align-items: center;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.set-row:hover {
    background: var(--bg-tertiary);
}

.set-row.completed {
    background: rgba(74, 222, 128, 0.1);
}

.set-number {
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.set-row.completed .set-number {
    background: var(--success);
    color: white;
}

.set-input {
    width: 100%;
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    outline: none;
    transition: var(--transition-fast);
}

.set-input:focus {
    border-color: var(--accent-primary);
    background: var(--bg-card-hover);
}

.set-input::placeholder {
    color: var(--text-tertiary);
}

.set-check {
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border: 2px solid var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.set-check:hover {
    border-color: var(--success);
    color: var(--success);
}

.set-check.checked {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

/* Add Set Button */
.add-set-btn {
    width: 100%;
    padding: var(--space-md);
    background: none;
    border: none;
    color: var(--accent-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    border-top: 1px solid var(--bg-tertiary);
    transition: var(--transition-fast);
}

.add-set-btn:hover {
    background: var(--bg-tertiary);
}

/* Add Exercise Button */
.add-exercise-btn {
    width: 100%;
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 2px dashed var(--accent-primary);
    border-radius: var(--radius-lg);
    color: var(--accent-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: var(--transition-normal);
}

.add-exercise-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-style: solid;
}

/* ========================================
   PROFILE SCREEN STYLES
   ======================================== */

.profile-header {
    text-align: center;
    padding: var(--space-xl) 0;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.profile-avatar i {
    font-size: 2.5rem;
    color: white;
}

.profile-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

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

/* Profile Stats */
.profile-stats {
    display: flex;
    justify-content: space-around;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.profile-stat {
    text-align: center;
}

.profile-stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.profile-stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Settings Section */
.settings-section {
    margin-bottom: var(--space-xl);
}

.settings-section h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
}

.setting-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.setting-info i {
    color: var(--accent-primary);
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.setting-info span {
    font-size: 0.95rem;
}

/* Unit Toggle */
.setting-toggle {
    display: flex;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.unit-btn {
    padding: var(--space-xs) var(--space-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.unit-btn.active {
    background: var(--accent-primary);
    color: white;
}

/* Select */
.setting-select {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
}

/* Switch Toggle */
.switch {
    position: relative;
    width: 50px;
    height: 28px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition-fast);
}

input:checked + .slider {
    background: var(--accent-primary);
}

input:checked + .slider:before {
    transform: translateX(22px);
}

/* Data Buttons */
.data-btn {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
    transition: var(--transition-fast);
}

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

.data-btn i {
    color: var(--accent-primary);
    width: 24px;
    text-align: center;
}

.data-btn.danger {
    color: var(--error);
}

.data-btn.danger i {
    color: var(--error);
}

.data-btn.danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* ========================================
   EXERCISE PICKER MODAL
   ======================================== */

.exercise-picker {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    height: 100%;
    background: var(--bg-primary);
    z-index: 200;
    display: none;
}

.exercise-picker.active {
    display: block;
    animation: slideUp 0.3s ease;
}

.picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    border-bottom: 1px solid var(--bg-tertiary);
}

.picker-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
}

.picker-close {
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.picker-search {
    padding: var(--space-md);
    border-bottom: 1px solid var(--bg-tertiary);
}

.picker-search input {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-card);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
}

.picker-search input:focus {
    border-color: var(--accent-primary);
}

.picker-filters {
    padding: var(--space-md);
    overflow-x: auto;
    scrollbar-width: none;
}

.picker-filters::-webkit-scrollbar {
    display: none;
}

.picker-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

.picker-exercise {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 2px solid transparent;
}

.picker-exercise:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-secondary);
}

.picker-exercise.selected {
    border-color: var(--accent-primary);
    background: rgba(108, 92, 231, 0.1);
}

.picker-exercise-icon {
    width: 44px;
    height: 44px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.picker-exercise-info {
    flex: 1;
}

.picker-exercise-info h4 {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 2px;
}

.picker-exercise-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.picker-add-btn {
    position: sticky;
    bottom: 0;
    padding: var(--space-md);
    background: var(--bg-primary);
    border-top: 1px solid var(--bg-tertiary);
}

.picker-add-btn button {
    width: 100%;
    padding: var(--space-md);
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.picker-add-btn button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.picker-add-btn button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ========================================
   CONFIRMATION MODAL
   ======================================== */

.confirm-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.confirm-modal.active {
    opacity: 1;
    visibility: visible;
}

.confirm-content {
    width: calc(100% - 32px);
    max-width: 360px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transform: scale(0.9);
    transition: var(--transition-normal);
}

.confirm-modal.active .confirm-content {
    transform: scale(1);
}

.confirm-icon {
    width: 60px;
    height: 60px;
    background: rgba(239, 68, 68, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.confirm-icon i {
    font-size: 1.5rem;
    color: var(--error);
}

.confirm-content h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-sm);
}

.confirm-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.confirm-buttons {
    display: flex;
    gap: var(--space-sm);
}

.confirm-btn {
    flex: 1;
    padding: var(--space-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.confirm-btn.cancel {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.confirm-btn.cancel:hover {
    background: var(--bg-card-hover);
}

.confirm-btn.danger {
    background: var(--error);
    color: white;
}

.confirm-btn.danger:hover {
    opacity: 0.9;
}

.confirm-btn.success {
    background: var(--success);
    color: white;
}

.confirm-btn.success:hover {
    opacity: 0.9;
}

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */

.toast-container {
    position: fixed;
    top: calc(var(--header-height) + var(--space-md));
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 448px;
    z-index: 500;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    pointer-events: auto;
    border-left: 4px solid var(--accent-primary);
}

.toast.success {
    border-left-color: var(--success);
}

.toast.error {
    border-left-color: var(--error);
}

.toast.warning {
    border-left-color: var(--warning);
}

.toast-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    background: rgba(74, 222, 128, 0.2);
    color: var(--success);
}

.toast.error .toast-icon {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.toast.warning .toast-icon {
    background: rgba(250, 204, 21, 0.2);
    color: var(--warning);
}

.toast-message {
    flex: 1;
    font-size: 0.9rem;
}

@keyframes toastIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes toastOut {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(-20px);
        opacity: 0;
    }
}

/* ========================================
   LOADING STATES
   ======================================== */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 25%,
        var(--bg-card-hover) 50%,
        var(--bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: skeleton 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-card {
    height: 80px;
    margin-bottom: var(--space-sm);
}

.skeleton-text {
    height: 20px;
    margin-bottom: var(--space-xs);
}

.skeleton-text.short {
    width: 60%;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-bounce {
    animation: bounce 1s infinite;
}

.animate-shake {
    animation: shake 0.5s;
}

/* ========================================
   RESPONSIVE ADJUSTMENTS
   ======================================== */

@media (max-width: 380px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        flex-direction: row;
    }
    
    .profile-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .set-row {
        grid-template-columns: 40px 1fr 1fr 40px;
    }
}

@media (min-width: 481px) {
    .exercise-list {
        display: grid;
        grid-template-columns: repeat(1, 1fr);
    }
}