/* CookieShield Banner v1.0.0 — Design System */

:root {
    --cs-primary: #2563eb;
    --cs-bg: #ffffff;
    --cs-text: #1e293b;
    --cs-text-secondary: #64748b;
    --cs-border: #e2e8f0;
    --cs-radius: 8px;
    --cs-font-size: 14px;
    --cs-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
    --cs-z-index: 999999;
    --cs-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Dark theme */
[data-cs-theme="dark"] {
    --cs-bg: #1e293b;
    --cs-text: #f1f5f9;
    --cs-text-secondary: #94a3b8;
    --cs-border: #334155;
    --cs-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

/* Auto (follows OS) */
@media (prefers-color-scheme: dark) {
    [data-cs-theme="auto"] {
        --cs-bg: #1e293b;
        --cs-text: #f1f5f9;
        --cs-text-secondary: #94a3b8;
        --cs-border: #334155;
        --cs-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    }
}

/* ========== Banner Container ========== */

#cookieshield-banner {
    position: fixed;
    z-index: var(--cs-z-index);
    background: var(--cs-bg);
    color: var(--cs-text);
    font-size: var(--cs-font-size);
    font-family: var(--cs-font-family);
    line-height: 1.5;
    box-shadow: var(--cs-shadow);
    box-sizing: border-box;
    /* Hidden by default */
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

#cookieshield-banner *,
#cookieshield-banner *::before,
#cookieshield-banner *::after {
    box-sizing: border-box;
}

#cookieshield-banner.cs-visible {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

/* ========== Layout: Bar Bottom ========== */

#cookieshield-banner.cs-bar-bottom {
    bottom: 0;
    left: 0;
    right: 0;
    border-top: 1px solid var(--cs-border);
    border-radius: 0;
    transform: translateY(100%);
}

#cookieshield-banner.cs-bar-bottom.cs-visible {
    transform: translateY(0);
}

/* ========== Layout: Bar Top ========== */

#cookieshield-banner.cs-bar-top {
    top: 0;
    left: 0;
    right: 0;
    border-bottom: 1px solid var(--cs-border);
    border-radius: 0;
    transform: translateY(-100%);
}

#cookieshield-banner.cs-bar-top.cs-visible {
    transform: translateY(0);
}

/* ========== Layout: Modal Center ========== */

#cookieshield-banner.cs-modal-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90%;
    max-width: 560px;
    border-radius: var(--cs-radius);
    border: 1px solid var(--cs-border);
}

#cookieshield-banner.cs-modal-center.cs-visible {
    transform: translate(-50%, -50%) scale(1);
}

/* Overlay for modal */
.cs-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--cs-z-index) - 1);
}

.cs-overlay.cs-visible {
    display: block;
}

/* ========== Layout: Corner ========== */

#cookieshield-banner.cs-corner-left,
#cookieshield-banner.cs-corner-right {
    bottom: 20px;
    width: 90%;
    max-width: 400px;
    border-radius: var(--cs-radius);
    border: 1px solid var(--cs-border);
    transform: translateY(20px);
}

#cookieshield-banner.cs-corner-left {
    left: 20px;
}

#cookieshield-banner.cs-corner-right {
    right: 20px;
}

#cookieshield-banner.cs-corner-left.cs-visible,
#cookieshield-banner.cs-corner-right.cs-visible {
    transform: translateY(0);
}

/* ========== Inner Content ========== */

.cs-banner-inner {
    padding: 20px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.cs-bar-bottom .cs-banner-inner,
.cs-bar-top .cs-banner-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cs-banner-content {
    flex: 1;
    min-width: 0;
}

.cs-banner-title {
    font-size: calc(var(--cs-font-size) + 2px);
    font-weight: 700;
    margin: 0 0 6px 0;
    color: var(--cs-text);
}

.cs-banner-message {
    margin: 0;
    color: var(--cs-text-secondary);
    font-size: var(--cs-font-size);
}

.cs-banner-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

/* ========== Buttons ========== */

.cs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: calc(var(--cs-radius) - 2px);
    font-size: var(--cs-font-size);
    font-family: var(--cs-font-family);
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, background 0.2s, transform 0.1s;
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
    border: none;
}

.cs-btn:active {
    transform: scale(0.98);
}

.cs-btn:focus-visible {
    outline: 2px solid var(--cs-primary);
    outline-offset: 2px;
}

.cs-btn-accept {
    background: var(--cs-primary);
    color: #fff;
}

.cs-btn-accept:hover {
    opacity: 0.9;
}

.cs-btn-necessary {
    background: transparent;
    color: var(--cs-text);
    border: 1px solid var(--cs-border);
}

.cs-btn-necessary:hover {
    background: var(--cs-border);
}

.cs-btn-customize {
    background: transparent;
    color: var(--cs-text-secondary);
    border: none;
    padding: 10px 12px;
    cursor: pointer;
    text-decoration: underline;
    font-size: calc(var(--cs-font-size) - 1px);
    font-weight: 400;
}

.cs-btn-customize:hover {
    color: var(--cs-text);
}

.cs-btn-save {
    background: var(--cs-primary);
    color: #fff;
    width: 100%;
    margin-top: 4px;
}

.cs-btn-save:hover {
    opacity: 0.9;
}

/* ========== Policy Link ========== */

.cs-policy-link {
    color: var(--cs-text-secondary);
    font-size: calc(var(--cs-font-size) - 1px);
    text-decoration: underline;
    margin-top: 8px;
    display: inline-block;
}

.cs-policy-link:hover {
    color: var(--cs-text);
}

/* ========== Category Panel ========== */

.cs-categories {
    display: none;
    padding: 16px 0 0;
    margin-top: 16px;
    border-top: 1px solid var(--cs-border);
}

.cs-categories.cs-expanded {
    display: block;
}

.cs-category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    gap: 12px;
}

.cs-category-item + .cs-category-item {
    border-top: 1px solid var(--cs-border);
}

.cs-category-info {
    flex: 1;
    min-width: 0;
}

.cs-category-label {
    font-weight: 600;
    font-size: var(--cs-font-size);
    color: var(--cs-text);
}

.cs-category-desc {
    font-size: calc(var(--cs-font-size) - 2px);
    color: var(--cs-text-secondary);
    margin-top: 2px;
}

/* ========== Toggle Switch ========== */

.cs-toggle {
    position: relative;
    flex-shrink: 0;
}

.cs-category-toggle {
    appearance: none;
    -webkit-appearance: none;
    width: 44px;
    height: 24px;
    background: var(--cs-border);
    border-radius: 12px;
    border: none;
    position: relative;
    cursor: pointer;
    transition: background 0.2s;
    outline: none;
}

.cs-category-toggle:checked {
    background: var(--cs-primary);
}

.cs-category-toggle::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform 0.2s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.cs-category-toggle:checked::after {
    transform: translateX(20px);
}

.cs-category-toggle:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.cs-category-toggle:focus-visible {
    outline: 2px solid var(--cs-primary);
    outline-offset: 2px;
}

/* ========== Revisit Button ========== */

.cs-revisit-btn {
    position: fixed;
    z-index: calc(var(--cs-z-index) - 1);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--cs-bg);
    color: var(--cs-text);
    border: 1px solid var(--cs-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, box-shadow 0.2s;
    padding: 0;
}

.cs-revisit-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}

.cs-revisit--bottom-left {
    bottom: 20px;
    left: 20px;
}

.cs-revisit--bottom-right {
    bottom: 20px;
    right: 20px;
}

.cs-revisit--top-left {
    top: 20px;
    left: 20px;
}

.cs-revisit--top-right {
    top: 20px;
    right: 20px;
}

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

@media (max-width: 768px) {
    .cs-bar-bottom .cs-banner-inner,
    .cs-bar-top .cs-banner-inner {
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
    }

    .cs-banner-actions {
        flex-direction: column;
    }

    .cs-btn {
        width: 100%;
        text-align: center;
    }

    .cs-btn-customize {
        width: auto;
        align-self: center;
    }

    #cookieshield-banner.cs-corner-left,
    #cookieshield-banner.cs-corner-right {
        left: 10px;
        right: 10px;
        bottom: 10px;
        width: auto;
        max-width: none;
    }
}

/* ========== Animation: Fade ========== */

#cookieshield-banner.cs-anim-fade.cs-bar-bottom,
#cookieshield-banner.cs-anim-fade.cs-bar-top {
    transform: none !important;
}

#cookieshield-banner.cs-anim-fade.cs-corner-left,
#cookieshield-banner.cs-anim-fade.cs-corner-right {
    transform: none !important;
}

/* Modal fade: keep centering transform, animate only opacity */
#cookieshield-banner.cs-anim-fade.cs-modal-center {
    transform: translate(-50%, -50%) !important;
    transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* ========== Animation: None ========== */

#cookieshield-banner.cs-anim-none.cs-bar-bottom,
#cookieshield-banner.cs-anim-none.cs-bar-top,
#cookieshield-banner.cs-anim-none.cs-corner-left,
#cookieshield-banner.cs-anim-none.cs-corner-right {
    transition: none !important;
    transform: none !important;
}

/* Modal none: keep centering transform, disable transitions */
#cookieshield-banner.cs-anim-none.cs-modal-center {
    transition: none !important;
    transform: translate(-50%, -50%) !important;
}

/* ========== Print ========== */

@media print {
    #cookieshield-banner,
    .cs-revisit-btn,
    .cs-overlay {
        display: none !important;
    }
}