/* Modern Workout Modal Styling */

/* Overlay and Container */
.workout-modal-overlay {
    position: fixed;
    inset: 0;
    background-color: var(--color-bg-overlay);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    animation: fadeIn 0.2s ease-out;
    padding: 20px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.workout-modal-container {
    background: var(--color-bg-secondary);
    border-radius: 24px;
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideUp {
    from {
        transform: translateY(40px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* Loading State */
.loading-state {
    padding: 80px 40px;
    text-align: center;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-border-light);
    border-top-color: var(--color-action);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-state p {
    color: var(--color-text-muted);
}

/* Header */
.modal-header-section {
    padding: 32px 32px 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
    border-bottom: 2px solid var(--color-border-light);
}

.header-content {
    display: flex;
    gap: 16px;
    align-items: center;
}

.session-icon {
    font-size: 48px;
    line-height: 1;
}

.header-info {
    flex: 1;
}

.session-title {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.3;
}

.session-time {
    margin: 6px 0 0;
    font-size: 14px;
    color: var(--color-text-muted);
}

.close-btn {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--color-text-disabled);
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Status Section */
.status-section {
    padding: 20px 32px;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-light);
}

.status-button-group {
    display: flex;
    gap: 8px;
    background: var(--color-bg-primary);
    padding: 4px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.status-btn {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

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

.status-btn.active {
    background: var(--color-action);
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-action);
    transform: scale(1.02);
}

.saving-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--color-text-muted);
    justify-content: center;
}

.saving-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-border-light);
    border-top-color: var(--color-action);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Exercises Container */
.exercises-container {
    padding: 24px 32px 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Superset Group */
.superset-group {
    border: 2px solid var(--color-action);
    border-radius: 20px;
    padding: 8px;
    background: var(--color-bg-secondary);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.superset-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
}

.superset-badge {
    background: var(--gradient-brand);
    color: var(--color-text-inverse);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.superset-round-info {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
}

.superset-group .exercise-card {
    border-radius: 14px;
}

/* Exercise Card */
.exercise-card {
    background: var(--color-bg-primary);
    border: 2px solid var(--color-border-light);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.exercise-card.next-exercise {
    border-color: var(--color-action);
    box-shadow: var(--shadow-action-subtle);
}

.exercise-card.completed {
    opacity: 0.7;
    border-color: var(--color-success);
}

.exercise-header {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
}

.exercise-header:hover {
    background: var(--color-bg-secondary);
}

.exercise-header-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.next-badge {
    background: var(--gradient-brand);
    color: var(--color-text-inverse);
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}

.check-icon {
    color: var(--color-success);
    font-weight: bold;
    font-size: 20px;
}

.exercise-title-group {
    flex: 1;
}

.exercise-name {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.3;
}

.exercise-summary {
    margin: 4px 0 0;
    font-size: 14px;
    color: var(--color-text-muted);
}

.exercise-summary .variation {
    color: var(--color-action);
    font-weight: 500;
}

.exercise-progress {
    display: flex;
    align-items: center;
    gap: 12px;
}

.progress-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.expand-icon {
    transition: transform 0.3s;
    color: var(--color-text-disabled);
}

.expand-icon.expanded {
    transform: rotate(180deg);
}

/* Exercise Body */
.exercise-body {
    padding: 0 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    animation: expandDown 0.3s ease-out;
}

@keyframes expandDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Set Row */
.set-row {
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-border-light);
    border-radius: 12px;
    padding: 16px;
    transition: all 0.2s;
}

.set-row.current-set {
    background: var(--color-info-bg);
    border-color: var(--color-action);
    box-shadow: var(--shadow-action-subtle-sm);
}

.set-row.completed-set {
    background: var(--color-success-bg);
    border-color: var(--color-success);
}

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

.set-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.set-target {
    font-size: 13px;
    color: var(--color-text-muted);
}

.set-completion {
    margin-top: 12px;
    text-align: center;
}

.completed-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--color-success);
    color: var(--color-text-inverse);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

/* Reps Input */
.reps-input-container {
    display: flex;
    align-items: center;
    gap: 16px;
}

.reps-btn {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    border: 2px solid var(--color-border-light);
    background: var(--color-bg-primary);
    color: var(--color-action);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
}

.reps-btn:hover:not(:disabled) {
    background: var(--color-action);
    color: var(--color-text-inverse);
    transform: scale(1.1);
    border-color: var(--color-action);
}

.reps-btn:active:not(:disabled) {
    transform: scale(0.95);
}

.reps-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.reps-display {
    flex: 1;
    text-align: center;
    padding: 12px;
    background: var(--color-bg-primary);
    border: 2px solid var(--color-border-light);
    border-radius: 12px;
}

.reps-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1;
}

.reps-target {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* Duration Input */
.duration-input-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.duration-start-btn,
.duration-stop-btn {
    width: 100%;
    padding: 20px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.2s;
}

.duration-start-btn {
    background: linear-gradient(135deg, var(--color-success), var(--color-success-dark));
    color: var(--color-text-inverse);
}

.duration-start-btn:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-success);
}

.duration-stop-btn {
    background: linear-gradient(135deg, var(--color-error), var(--color-error-dark));
    color: var(--color-text-inverse);
}

.duration-stop-btn:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-error);
}

.timer-display {
    text-align: center;
    padding: 20px;
    background: var(--color-bg-primary);
    border: 2px solid var(--color-border-light);
    border-radius: 12px;
    width: 100%;
}

.timer-value {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.timer-label {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 8px;
}

.duration-completed {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px;
    background: var(--color-success-bg);
    border: 2px solid var(--color-success);
    border-radius: 12px;
    color: var(--color-success);
    font-size: 16px;
    font-weight: 600;
    width: 100%;
}

/* Boolean Input */
.boolean-input-container {
    width: 100%;
}

.boolean-toggle {
    width: 100%;
    padding: 24px;
    border-radius: 12px;
    border: 2px solid var(--color-border-light);
    background: var(--color-bg-primary);
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.2s;
}

.boolean-toggle:hover {
    border-color: var(--color-action);
    background: var(--color-bg-secondary);
    transform: scale(1.02);
}

.boolean-toggle.completed {
    background: linear-gradient(135deg, var(--color-success), var(--color-success-dark));
    color: var(--color-text-inverse);
    border-color: var(--color-success);
}

.boolean-toggle.completed:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-success);
}

/* Rest Timer */
.rest-timer {
    margin-top: 16px;
    padding: 16px;
    background: linear-gradient(135deg, var(--color-warning), var(--color-warning-dark));
    border-radius: 12px;
    color: var(--color-text-inverse);
    animation: fadeIn 0.3s ease-out;
}

.rest-timer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.rest-label {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rest-time {
    font-size: 32px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.skip-rest-btn {
    background: var(--white-30);
    border: 1px solid var(--white-50);
    color: var(--color-text-inverse);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.skip-rest-btn:hover {
    background: var(--white-50);
    transform: scale(1.05);
}

.rest-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--white-30);
    border-radius: 3px;
    overflow: hidden;
}

.rest-progress-fill {
    height: 100%;
    background: var(--color-text-inverse);
    transition: width 1s linear;
    border-radius: 3px;
}

/* Error Message */
.error-message {
    margin: 0 32px 24px;
    padding: 16px;
    background: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    border-radius: 12px;
    color: var(--color-error-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.error-message button {
    background: none;
    border: none;
    color: var(--color-error-dark);
    cursor: pointer;
    width: 24px;
    height: 24px;
    line-height: 1;
    font-size: 18px;
}

/* Responsive */
@media (max-width: 768px) {
    .workout-modal-overlay {
        padding: 8px;
    }

    .workout-modal-container {
        border-radius: 12px;
        max-width: 100%;
        max-height: 96vh;
        border: 1px solid var(--color-border-light);
    }

    .modal-header-section {
        padding: 24px 20px 20px;
    }

    .session-title {
        font-size: 20px;
    }

    .status-section {
        padding: 16px 20px;
    }

    .exercises-container {
        padding: 20px 20px 24px;
    }

    .exercise-header {
        padding: 16px;
    }

    .exercise-body {
        padding: 0 16px 16px;
    }

    .reps-value {
        font-size: 28px;
    }
    
    .timer-value {
        font-size: 36px;
    }
    
    .reps-btn {
        width: 48px;
        height: 48px;
    }
}

/* Session Notes Section */
.session-notes-section {
    margin: 12px 16px;
}

.notes-toggle-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.notes-toggle-btn:hover {
    background: var(--color-bg-tertiary);
}

.notes-indicator {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.2rem;
    line-height: 1;
}

.expand-icon {
    margin-left: auto;
    transition: transform 0.2s;
    display: flex;
}

.expand-icon.expanded {
    transform: rotate(180deg);
}

.notes-input-area {
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border-light);
    border-top: none;
    border-radius: 0 0 12px 12px;
    background: var(--color-bg-primary);
}

.notes-textarea {
    width: 100%;
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
    padding: 0.75rem;
    font-family: 'Outfit', sans-serif;
    font-size: 0.875rem;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    resize: vertical;
    min-height: 60px;
}

.notes-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(13, 115, 119, 0.15);
}

.notes-textarea::placeholder {
    color: var(--color-text-muted);
}

.notes-char-count {
    text-align: right;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}