/**
 * Course Delivery Plugin - Frontend Styles
 *
 * Matches the existing getmastercourse.com site theme:
 * - Font family: inherit from theme (system/body font)
 * - Border radius: 4px (consistent with WooCommerce buttons)
 * - Padding: 12px 24px
 * - Brand colors: primary action uses site accent color
 *
 * @since 1.0.0
 */

/* ============================================================
   Course Action Buttons Container
   ============================================================ */

.cd-course-actions {
    margin: 1.5em 0;
    padding: 0;
}

/* ============================================================
   Button Base Styles
   ============================================================ */

.cd-btn {
    display: inline-block;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: 4px;
    padding: 12px 24px;
    margin: 0 8px 8px 0;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
    vertical-align: middle;
    white-space: nowrap;
}

.cd-btn:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

.cd-btn:disabled,
.cd-btn[aria-disabled="true"] {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Primary button - brand accent color */
.cd-btn--primary {
    background-color: var(--wd-primary-color, #0f6271) !important;
    color: #ffffff !important;
    border-color: var(--wd-primary-color, #0f6271) !important;
}

.cd-btn--primary:hover,
.cd-btn--primary:focus {
    background-color: var(--wd-primary-color-hover, #0d5461) !important;
    border-color: var(--wd-primary-color-hover, #0d5461) !important;
    opacity: 0.9 !important;
}

/* Secondary button - outlined style */
.cd-btn--secondary {
    background-color: transparent;
    color: var(--cd-secondary-text, #374151);
    border-color: var(--cd-secondary-border, #d1d5db);
}

.cd-btn--secondary:hover,
.cd-btn--secondary:focus {
    background-color: var(--cd-secondary-hover-bg, #f3f4f6);
    border-color: var(--cd-secondary-hover-border, #9ca3af);
}

/* Retry button */
.cd-btn--retry {
    background-color: var(--cd-retry-bg, #dc2626);
    color: var(--cd-retry-text, #ffffff);
    border-color: var(--cd-retry-bg, #dc2626);
    font-size: 0.85rem;
    padding: 8px 16px;
}

.cd-btn--retry:hover,
.cd-btn--retry:focus {
    background-color: var(--cd-retry-hover, #b91c1c);
    border-color: var(--cd-retry-hover, #b91c1c);
}

/* ============================================================
   Loading Indicator
   ============================================================ */

.cd-loading {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
}

.cd-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--cd-spinner-track, #e5e7eb);
    border-top-color: var(--cd-spinner-active, #2563eb);
    border-radius: 50%;
    animation: cd-spin 0.8s linear infinite;
}

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

.cd-loading-text {
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--cd-loading-text-color, #6b7280);
}

/* ============================================================
   Error / Timeout Message
   ============================================================ */

.cd-error {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background-color: var(--cd-error-bg, #fef2f2);
    border: 1px solid var(--cd-error-border, #fecaca);
    border-radius: 4px;
    margin-bottom: 12px;
}

.cd-error-text {
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--cd-error-text-color, #991b1b);
    flex: 1;
}

/* ============================================================
   Processing State (server-side rendered for already-processing)
   ============================================================ */

.cd-processing-state {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
}

/* ============================================================
   Membership Notice
   ============================================================ */

.cd-membership-notice {
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--cd-notice-text, #6b7280);
    padding: 12px 16px;
    background-color: var(--cd-notice-bg, #f9fafb);
    border: 1px solid var(--cd-notice-border, #e5e7eb);
    border-radius: 4px;
    margin: 0 0 8px;
}

.cd-membership-notice a {
    color: var(--cd-primary-bg, #2563eb);
    text-decoration: underline;
}

.cd-membership-notice a:hover {
    color: var(--cd-primary-hover, #1d4ed8);
}

/* ============================================================
   Responsive Adjustments
   ============================================================ */

@media (max-width: 480px) {
    .cd-btn {
        display: block;
        width: 100%;
        margin-right: 0;
    }

    .cd-course-actions {
        margin: 1em 0;
    }
}