/* Session Edit Modal Styling - Matches workout-modal.css pattern */

/* Overlay and Container */
.session-edit-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;
}

.session-edit-container {
    background: var(--color-bg-primary);
    border-radius: 24px;
    max-width: 600px;
    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 fadeIn {
    from { opacity: 0; }
    to { opacity: 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: 24px 24px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border-light);
}

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

.session-icon {
    font-size: 36px;
    line-height: 1;
}

.header-info {
    flex: 1;
}

.session-title {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.session-time {
    margin: 4px 0 0;
    font-size: 13px;
    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;
}

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

/* Tab Navigation */
.tab-navigation {
    padding: 0 24px;
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--color-border-light);
}

.tab-btn {
    padding: 12px 16px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn:hover {
    color: var(--color-text-primary);
}

.tab-btn.active {
    color: var(--color-action);
    border-bottom-color: var(--color-action);
}

/* Tab Content */
.tab-content {
    padding: 24px;
}

.section-title {
    margin: 0 0 16px;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* Form Elements */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-label-sm {
    display: block;
    margin-bottom: 4px;
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-muted);
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border-default);
    border-radius: 8px;
    font-size: 14px;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-action);
    box-shadow: var(--shadow-focus);
}

.form-input-sm {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--color-border-default);
    border-radius: 6px;
    font-size: 13px;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
}

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

/* Form Rows */
.form-row {
    margin-bottom: 12px;
}

.form-row.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-row.three-col {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.action-btn {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.action-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.move-btn {
    background: var(--color-action);
    color: var(--color-text-inverse);
}

.move-btn:hover:not(:disabled) {
    background: var(--color-action-dark);
}

.copy-btn {
    background: var(--color-success);
    color: var(--color-text-inverse);
}

.copy-btn:hover:not(:disabled) {
    background: var(--color-success-dark);
}

.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--white-30);
    border-top-color: var(--color-text-inverse);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Danger Zone */
.danger-zone {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-error-border);
}

.danger-title {
    margin: 0 0 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-error);
}

.delete-btn {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid var(--color-error-border);
    width: 100%;
}

.delete-btn:hover:not(:disabled) {
    background: var(--color-error-light);
    border-color: var(--color-error-light);
    color: var(--color-text-inverse);
}

/* Exercises Section */
.exercises-section {
    padding: 0;
}

.exercises-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.add-exercise-btn {
    padding: 8px 14px;
    background: var(--color-action);
    color: var(--color-text-inverse);
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.add-exercise-btn:hover {
    background: var(--color-action-dark);
}

/* Exercise Form */
.exercise-form {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}

.exercise-form h4 {
    margin: 0 0 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.exercise-form.inline {
    padding: 12px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 12px;
}

.cancel-btn,
.save-btn {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.cancel-btn {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-default);
    color: var(--color-text-secondary);
}

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

.save-btn {
    background: var(--color-action);
    border: none;
    color: var(--color-text-inverse);
}

.save-btn:hover {
    background: var(--color-action-dark);
}

.cancel-btn-sm,
.save-btn-sm {
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.cancel-btn-sm {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-default);
    color: var(--color-text-secondary);
}

.save-btn-sm {
    background: var(--color-action);
    border: none;
    color: var(--color-text-inverse);
}

/* Exercise List */
.exercise-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.exercise-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: 10px;
    transition: all 0.2s;
}

.exercise-item:hover {
    border-color: var(--color-action);
}

.exercise-item.editing {
    background: var(--color-bg-secondary);
    border-color: var(--color-action);
}

.exercise-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.exercise-order {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-disabled);
    min-width: 20px;
}

.exercise-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.exercise-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
}

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

/* Superset indicators */
.exercise-item.superset-member {
    border-left: 3px solid var(--color-action);
}

.superset-tag {
    display: inline-block;
    background: var(--gradient-brand);
    color: var(--color-text-inverse);
    padding: 1px 6px;
    border-radius: 8px;
    font-size: 10px;
    font-weight: 700;
    margin-left: 6px;
    vertical-align: middle;
}

.exercise-actions {
    display: flex;
    gap: 4px;
}

.icon-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.icon-btn.delete:hover {
    background: var(--color-error-bg);
}

/* Status Message */
.status-message {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    border-top: 1px solid var(--color-border-light);
}

.status-message.success {
    background: var(--color-success-bg);
    color: var(--color-success-dark);
}

.status-message.error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

/* Responsive */
@media (max-width: 480px) {
    .session-edit-container {
        border-radius: 16px 16px 0 0;
        max-height: 85vh;
        align-self: flex-end;
    }

    .action-buttons {
        flex-direction: column;
    }

    .form-row.two-col,
    .form-row.three-col {
        grid-template-columns: 1fr;
    }
}