/* ============================================================================
   Retroactive Assignment Modal — rta- prefix
   Two-step modal for assigning freewheel logs to a training plan
   ============================================================================ */

.rta-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 3000;
    align-items: center;
    justify-content: center;
}

.rta-overlay.rta-visible {
    display: flex;
}

.rta-modal {
    background: #fff;
    width: 540px;
    max-width: 95vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    border-radius: 0;
    box-shadow: var(--shadow-lg, 0 4px 12px rgba(0, 0, 0, 0.15));
    font-family: var(--font-family-primary, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
    font-size: 13px;
    color: var(--gray-800, #1f2937);
}

.rta-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--gray-200, #e5e7eb);
    background: var(--gray-50, #f9fafb);
}

.rta-header-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900, #111827);
}

.rta-close-btn {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--gray-500, #6b7280);
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

.rta-close-btn:hover {
    color: var(--gray-900, #111827);
}

.rta-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.rta-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--gray-200, #e5e7eb);
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* Step 1: Mode selection */
.rta-info {
    font-size: 13px;
    color: var(--gray-600, #4b5563);
    margin-bottom: 16px;
}

.rta-mode-option {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 12px;
    border: 1px solid var(--gray-200, #e5e7eb);
    border-radius: 0;
    margin-bottom: 8px;
    cursor: pointer;
    transition: border-color var(--transition-fast, 0.15s);
}

.rta-mode-option:hover {
    border-color: var(--teal, #14b8a6);
}

.rta-mode-option.rta-selected {
    border-color: var(--teal, #14b8a6);
    background: rgba(20, 184, 166, 0.05);
}

.rta-mode-radio {
    margin-top: 2px;
    accent-color: var(--teal, #14b8a6);
}

.rta-mode-label {
    font-weight: 600;
    color: var(--gray-800, #1f2937);
}

.rta-mode-desc {
    font-size: 12px;
    color: var(--gray-500, #6b7280);
    margin-top: 2px;
}

.rta-date-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.rta-date-input {
    padding: 6px 10px;
    border: 1px solid var(--gray-300, #d1d5db);
    border-radius: 0;
    font-size: 13px;
    font-family: inherit;
}

.rta-date-input:focus {
    outline: none;
    border-color: var(--teal, #14b8a6);
}

.rta-date-count {
    font-size: 12px;
    color: var(--teal-dark, #0f766e);
    font-weight: 500;
}

/* Step 2: Session checklist */
.rta-session-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.rta-session-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-100, #f3f4f6);
    font-size: 12px;
}

.rta-session-item:last-child {
    border-bottom: none;
}

.rta-session-check {
    accent-color: var(--teal, #14b8a6);
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.rta-session-date {
    width: 80px;
    font-weight: 500;
    color: var(--gray-700, #374151);
    flex-shrink: 0;
}

.rta-session-info {
    flex: 1;
    color: var(--gray-600, #4b5563);
}

.rta-session-metrics {
    color: var(--gray-400, #9ca3af);
    white-space: nowrap;
}

/* Buttons */
.rta-btn-primary {
    background: var(--teal, #14b8a6);
    color: #fff;
    border: none;
    border-radius: 0;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.rta-btn-primary:hover {
    background: var(--teal-dark, #0f766e);
}

.rta-btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.rta-btn-secondary {
    background: transparent;
    color: var(--gray-600, #4b5563);
    border: 1px solid var(--gray-300, #d1d5db);
    border-radius: 0;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
}

.rta-btn-secondary:hover {
    background: var(--gray-50, #f9fafb);
}

.rta-hidden {
    display: none !important;
}