/**
 * ConsentFlow — Frontend Styles
 * Banner, Preference Modal, Floating Button
 *
 * BEM naming: .cf-*
 * CSS Custom Properties for easy theming.
 */

:root {
    --cf-primary: #2563eb;
    --cf-primary-hover: #1d4ed8;
    --cf-bg: #ffffff;
    --cf-text: #1f2937;
    --cf-text-secondary: #6b7280;
    --cf-border: #e5e7eb;
    --cf-radius: 8px;
    --cf-shadow: 0 -4px 24px rgba(0, 0, 0, 0.12);
    --cf-z-index: 999999;
    --cf-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ============================================
   BANNER BACKDROP (blocks page interaction until choice made)
   ============================================ */
.cf-banner-backdrop {
    position: fixed;
    inset: 0;
    z-index: calc(var(--cf-z-index) - 1);
    background: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: auto;
    transition: opacity 0.35s ease;
}

.cf-banner-backdrop--visible {
    opacity: 1;
}

/* ============================================
   BANNER
   ============================================ */
.cf-banner {
    position: fixed;
    left: 0;
    right: 0;
    z-index: var(--cf-z-index);
    font-family: var(--cf-font);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.cf-banner--bottom {
    bottom: 0;
    transform: translateY(20px);
}

.cf-banner--top {
    top: 0;
    transform: translateY(-20px);
    --cf-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

.cf-banner--center {
    top: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.95);
}

.cf-banner--visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.cf-banner__inner {
    max-width: 960px;
    margin: 0 auto;
    background: var(--cf-bg);
    box-shadow: var(--cf-shadow);
    border-radius: var(--cf-radius);
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.cf-banner--bottom .cf-banner__inner,
.cf-banner--top .cf-banner__inner {
    margin: 16px auto;
    border-radius: 12px;
}

.cf-banner--center .cf-banner__inner {
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    max-width: 600px;
    flex-direction: column;
    text-align: center;
}

.cf-banner__content {
    flex: 1;
}

.cf-banner__title {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--cf-text);
    margin-bottom: 6px;
}

.cf-banner__text {
    font-size: 14px;
    line-height: 1.5;
    color: var(--cf-text-secondary);
    margin: 0;
}

.cf-banner__link {
    color: var(--cf-primary);
    text-decoration: underline;
    font-weight: 500;
}

.cf-banner__link:hover {
    color: var(--cf-primary-hover);
}

.cf-banner__actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

/* ============================================
   BUTTONS (shared banner + modal)
   ============================================ */
.cf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--cf-font);
    border: none;
    border-radius: var(--cf-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    line-height: 1.4;
}

.cf-btn--primary {
    background: var(--cf-primary);
    color: var(--cf-btn-text, #fff);
}

.cf-btn--primary:hover {
    background: var(--cf-primary-hover);
}

.cf-btn--secondary {
    background: #f3f4f6;
    color: var(--cf-text);
}

.cf-btn--secondary:hover {
    background: #e5e7eb;
}

.cf-btn--outline {
    background: transparent;
    color: var(--cf-primary);
    border: 1.5px solid var(--cf-primary);
}

.cf-btn--outline:hover {
    background: rgba(37, 99, 235, 0.06);
}

/* ============================================
   MODAL OVERLAY
   ============================================ */
.cf-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: calc(var(--cf-z-index) + 1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--cf-font);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.cf-modal-overlay--visible {
    opacity: 1;
    pointer-events: auto;
}

.cf-modal-overlay__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
}

/* ============================================
   MODAL
   ============================================ */
.cf-modal {
    position: relative;
    background: var(--cf-bg);
    border-radius: 16px;
    width: 90%;
    max-width: 640px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    transform: translateY(12px);
    transition: transform 0.3s ease;
}

.cf-modal-overlay--visible .cf-modal {
    transform: translateY(0);
}

.cf-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--cf-border);
    flex-shrink: 0;
}

.cf-modal__header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--cf-text);
    margin: 0;
}

.cf-modal__close {
    background: none;
    border: none;
    font-size: 26px;
    cursor: pointer;
    color: var(--cf-text-secondary);
    line-height: 1;
    padding: 0 4px;
    transition: color 0.2s;
}

.cf-modal__close:hover {
    color: var(--cf-text);
}

.cf-modal__body {
    padding: 8px 24px;
    overflow-y: auto;
    flex: 1;
}

.cf-modal__footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--cf-border);
    flex-shrink: 0;
}

/* ============================================
   CATEGORY ACCORDION
   ============================================ */
.cf-category {
    border: 1px solid var(--cf-border);
    border-radius: 10px;
    margin: 12px 0;
    overflow: hidden;
    transition: border-color 0.2s;
}

.cf-category:hover {
    border-color: #d1d5db;
}

.cf-category__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    cursor: pointer;
    user-select: none;
    background: #fafafa;
    transition: background 0.2s;
}

.cf-category__header:hover {
    background: #f3f4f6;
}

.cf-category__info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cf-category__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--cf-text);
}

.cf-category__chevron {
    color: var(--cf-text-secondary);
    transition: transform 0.25s ease;
}

.cf-category--expanded .cf-category__chevron {
    transform: rotate(180deg);
}

.cf-category__badge {
    font-size: 12px;
    font-weight: 600;
    color: #059669;
    background: #d1fae5;
    padding: 3px 10px;
    border-radius: 20px;
}

/* Toggle switch (inside modal) */
.cf-category__toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    cursor: pointer;
    flex-shrink: 0;
}

.cf-category__toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.cf-toggle-track {
    position: absolute;
    inset: 0;
    background: #d1d5db;
    border-radius: 24px;
    transition: background 0.3s ease;
}

.cf-category__toggle input:checked + .cf-toggle-track {
    background: var(--cf-primary);
}

.cf-toggle-thumb {
    position: absolute;
    left: 3px;
    top: 3px;
    width: 18px;
    height: 18px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.cf-category__toggle input:checked + .cf-toggle-track .cf-toggle-thumb {
    transform: translateX(20px);
}

/* Category body (collapsed by default) */
.cf-category__body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 18px;
}

.cf-category--expanded .cf-category__body {
    max-height: 500px;
    padding: 12px 18px 18px;
}

.cf-category__desc {
    font-size: 13px;
    line-height: 1.5;
    color: var(--cf-text-secondary);
    margin: 0 0 12px;
}

/* Cookie list table */
.cf-category__cookies {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.cf-category__cookies th {
    text-align: left;
    padding: 8px 10px;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--cf-text-secondary);
    background: #f9fafb;
    border-bottom: 1px solid var(--cf-border);
}

.cf-category__cookies td {
    padding: 8px 10px;
    border-bottom: 1px solid #f3f4f6;
    color: var(--cf-text);
    vertical-align: top;
}

.cf-category__cookies tr:last-child td {
    border-bottom: none;
}

.cf-category__cookies code {
    font-family: 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
    font-size: 12px;
    background: #f3f4f6;
    padding: 2px 5px;
    border-radius: 4px;
    color: #1e40af;
}

/* ============================================
   FLOATING RE-OPEN BUTTON
   ============================================ */
.cf-float-btn {
    position: fixed;
    z-index: var(--cf-z-index);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--cf-bg);
    border: 1px solid var(--cf-border);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cf-primary);
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.7);
}

.cf-float-btn--visible {
    opacity: 1;
    transform: scale(1);
}

.cf-float-btn:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
    transform: scale(1.08);
    border-color: var(--cf-primary);
}

.cf-float-btn--bottom-left {
    bottom: 20px;
    left: 20px;
}

.cf-float-btn--bottom-right {
    bottom: 20px;
    right: 20px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .cf-banner__inner {
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        margin: 12px;
    }

    .cf-banner__actions {
        width: 100%;
        flex-direction: column;
    }

    .cf-banner__actions .cf-btn {
        width: 100%;
        justify-content: center;
    }

    .cf-modal {
        width: 100%;
        max-width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }

    .cf-modal__body {
        padding: 8px 16px;
    }

    .cf-modal__footer {
        flex-direction: column;
        gap: 8px;
        padding: 12px 16px;
    }

    .cf-modal__footer .cf-btn {
        width: 100%;
        justify-content: center;
    }

    .cf-category__header {
        padding: 14px;
    }

    .cf-category__cookies {
        font-size: 11px;
    }

    .cf-category__cookies th,
    .cf-category__cookies td {
        padding: 6px 8px;
    }
}

/* ============================================
   IFRAME PLACEHOLDER
   ============================================ */
.cf-iframe-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border: 2px dashed var(--cf-border);
    border-radius: var(--cf-radius);
    padding: 32px 24px;
    text-align: center;
    min-height: 200px;
    color: var(--cf-text-secondary);
    font-family: var(--cf-font);
}

.cf-iframe-placeholder__icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(0,0,0,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cf-iframe-placeholder__icon svg {
    width: 24px;
    height: 24px;
    opacity: 0.5;
}

.cf-iframe-placeholder__text {
    font-size: 14px;
    line-height: 1.5;
    max-width: 320px;
    margin: 0;
}

.cf-iframe-placeholder__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--cf-primary);
    color: var(--cf-btn-text, #fff);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--cf-font);
    border: none;
    border-radius: var(--cf-radius);
    cursor: pointer;
    transition: background 0.2s;
}

.cf-iframe-placeholder__btn:hover {
    background: var(--cf-primary-hover);
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .cf-banner,
    .cf-modal-overlay,
    .cf-modal,
    .cf-float-btn,
    .cf-category__body,
    .cf-category__chevron,
    .cf-toggle-track,
    .cf-toggle-thumb {
        transition: none !important;
    }
}