/**
 * EW Bible Reader - Frontend Styles
 * Drawer component for displaying Bible chapter text
 */

/* CSS Custom Properties */
:root {
    --ew-br-drawer-width: 400px;
    --ew-br-mobile-height: 75vh;
    --ew-br-highlight-color: #e8f4fc;
    --ew-br-font-size: 16px;
    --ew-br-line-height: 1.7;
    --ew-primary-blue: #449ae3;
    --ew-primary-blue-dark: #2d7bc4;
    --ew-primary-blue-light: #e8f4fc;
    --ew-text-dark: #333333;
    --ew-text-medium: #666666;
    --ew-bg-white: #ffffff;
    --ew-border-color: #e0e0e0;
    --ew-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    --ew-br-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Container */
#ew-br-container {
    position: fixed;
    z-index: 10100; /* EW z-index layer: selectors=10000, drawer=10100, tooltip=10200 */
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    pointer-events: none;
}

/* When open, re-enable pointer events on everything */
#ew-br-container.ew-br-open {
    pointer-events: auto;
}

/* Handle always receives pointer events */
.ew-br-handle {
    position: absolute;
    background: var(--ew-primary-blue);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--ew-br-transition);
    box-shadow: var(--ew-shadow);
    z-index: 1;
    pointer-events: auto;
}

.ew-br-handle:hover {
    background: var(--ew-primary-blue-dark);
}

.ew-br-handle:focus {
    outline: 2px solid var(--ew-primary-blue-dark);
    outline-offset: 2px;
}

.ew-br-handle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ew-br-handle-text {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Tab Handle Style */
.ew-br-handle-tab .ew-br-handle {
    flex-direction: column;
    gap: 4px;
    padding: 12px 8px;
    border-radius: 0;
}

/* Minimal Handle Style */
.ew-br-handle-minimal .ew-br-handle {
    width: 6px;
    padding: 0;
    border-radius: 0;
    opacity: 0.6;
}

.ew-br-handle-minimal .ew-br-handle:hover {
    width: 40px;
    opacity: 1;
}

.ew-br-handle-minimal .ew-br-handle-icon,
.ew-br-handle-minimal .ew-br-handle-text {
    display: none;
}

.ew-br-handle-minimal .ew-br-handle:hover .ew-br-handle-icon {
    display: flex;
}

/* Floating Handle Style */
.ew-br-handle-floating .ew-br-handle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    padding: 0;
}

.ew-br-handle-floating .ew-br-handle-text {
    display: none;
}

/* ===== DRAWER PANEL ===== */

.ew-br-drawer {
    position: absolute;
    background: var(--ew-bg-white);
    box-shadow: var(--ew-shadow);
    display: flex;
    flex-direction: column;
    transition: transform var(--ew-br-transition);
    z-index: 10101;
}

/* ===== POSITION VARIANTS ===== */

/* Right Position */
#ew-br-container[data-desktop="right"] {
    top: 0;
    right: 0;
    height: 100vh;
    overflow: visible;
}

#ew-br-container[data-desktop="right"] .ew-br-handle {
    left: 0;
    top: 50%;
    transform: translateX(-100%) translateY(-50%);
}

#ew-br-container[data-desktop="right"] .ew-br-handle-tab .ew-br-handle {
    border-radius: 8px 0 0 8px;
}

#ew-br-container[data-desktop="right"] .ew-br-handle-floating .ew-br-handle {
    left: -60px;
    transform: translateY(-50%);
}

#ew-br-container[data-desktop="right"] .ew-br-drawer {
    width: var(--ew-br-drawer-width);
    height: 100%;
    right: 0;
    top: 0;
    transform: translateX(100%);
}

#ew-br-container[data-desktop="right"].ew-br-open .ew-br-drawer {
    transform: translateX(0);
}

/* Left Position */
#ew-br-container[data-desktop="left"] {
    top: 0;
    left: 0;
    height: 100vh;
    overflow: visible;
}

#ew-br-container[data-desktop="left"] .ew-br-handle {
    right: 0;
    top: 50%;
    transform: translateX(100%) translateY(-50%);
}

#ew-br-container[data-desktop="left"] .ew-br-handle-tab .ew-br-handle {
    border-radius: 0 8px 8px 0;
}

#ew-br-container[data-desktop="left"] .ew-br-handle-floating .ew-br-handle {
    right: -60px;
    transform: translateY(-50%);
}

#ew-br-container[data-desktop="left"] .ew-br-drawer {
    width: var(--ew-br-drawer-width);
    height: 100%;
    left: 0;
    top: 0;
    transform: translateX(-100%);
}

#ew-br-container[data-desktop="left"].ew-br-open .ew-br-drawer {
    transform: translateX(0);
}

/* Bottom Position */
#ew-br-container[data-desktop="bottom"] {
    bottom: 0;
    left: 0;
    right: 0;
    overflow: visible;
}

#ew-br-container[data-desktop="bottom"] .ew-br-handle {
    top: 0;
    left: 50%;
    transform: translateX(-50%) translateY(-100%);
}

#ew-br-container[data-desktop="bottom"] .ew-br-handle-tab .ew-br-handle {
    flex-direction: row;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 8px 8px 0 0;
}

#ew-br-container[data-desktop="bottom"] .ew-br-handle-floating .ew-br-handle {
    top: -60px;
    transform: translateX(-50%);
}

#ew-br-container[data-desktop="bottom"] .ew-br-drawer {
    width: 100%;
    height: 50vh;
    max-height: 500px;
    bottom: 0;
    left: 0;
    transform: translateY(100%);
    border-radius: 16px 16px 0 0;
}

#ew-br-container[data-desktop="bottom"].ew-br-open .ew-br-drawer {
    transform: translateY(0);
}

/* ===== HEADER ===== */

.ew-br-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--ew-border-color);
    background: var(--ew-bg-white);
    flex-shrink: 0;
}

.ew-br-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ew-br-logo {
    width: 24px;
    height: auto;
}

.ew-br-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--ew-text-dark);
}

.ew-br-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ew-br-header-center {
    display: flex;
    align-items: center;
}

.ew-br-version-badge {
    font-size: 11px;
    font-weight: 700;
    color: var(--ew-primary-blue);
    background: var(--ew-primary-blue-light);
    padding: 2px 8px;
    border-radius: 10px;
    letter-spacing: 0.5px;
}

.ew-br-chapter-ref {
    font-size: 13px;
    color: var(--ew-text-medium);
    font-weight: 500;
}

.ew-br-close {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--ew-text-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
}

.ew-br-close:hover {
    background: var(--ew-primary-blue-light);
    color: var(--ew-primary-blue);
}

/* ===== DRAG INDICATOR (Mobile Bottom Sheet) ===== */

.ew-br-drag-indicator {
    display: none;
    width: 40px;
    height: 4px;
    background: var(--ew-border-color);
    border-radius: 2px;
    margin: 8px auto;
    flex-shrink: 0;
}

/* ===== CONTENT ===== */

.ew-br-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    -webkit-overflow-scrolling: touch;
}

.ew-br-loading {
    display: none;
    text-align: center;
    padding: 40px 20px;
    color: var(--ew-text-medium);
}

.ew-br-loading::before {
    content: '';
    display: block;
    width: 32px;
    height: 32px;
    margin: 0 auto 12px;
    border: 3px solid var(--ew-border-color);
    border-top-color: var(--ew-primary-blue);
    border-radius: 50%;
    animation: ew-br-spin 0.8s linear infinite;
}

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

.ew-br-empty {
    display: none;
    text-align: center;
    padding: 40px 20px;
    color: var(--ew-text-medium);
}

.ew-br-empty-hint {
    font-size: 13px;
    margin-top: 8px;
    opacity: 0.8;
}

/* States */
#ew-br-container.ew-br-loading .ew-br-loading {
    display: block;
}

#ew-br-container.ew-br-loading .ew-br-verses,
#ew-br-container.ew-br-loading .ew-br-empty {
    display: none;
}

#ew-br-container.ew-br-empty .ew-br-empty {
    display: block;
}

#ew-br-container.ew-br-empty .ew-br-verses,
#ew-br-container.ew-br-empty .ew-br-loading {
    display: none;
}

/* ===== VERSES ===== */

.ew-br-verses {
    line-height: var(--ew-br-line-height);
}

.ew-br-verse {
    padding: 8px 12px;
    margin: 0 -12px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.ew-br-verse-num {
    font-size: 11px;
    font-weight: 700;
    color: var(--ew-primary-blue);
    margin-right: 6px;
    vertical-align: super;
}

.ew-br-verse-text {
    color: var(--ew-text-dark);
    font-size: var(--ew-br-font-size);
}

/* Verse Highlight */
.ew-br-verse.ew-br-verse-highlight {
    background-color: var(--ew-br-highlight-color);
    border-left: 3px solid var(--ew-primary-blue);
    padding-left: 9px;
}

/* Omitted Verse Styling */
.ew-br-verse.ew-br-verse-omitted {
    opacity: 0.6;
}

.ew-br-verse.ew-br-verse-omitted .ew-br-verse-text {
    color: var(--ew-text-medium);
}

.ew-br-verse.ew-br-verse-omitted .ew-br-verse-num {
    color: var(--ew-text-medium);
}

/* ===== BACKDROP ===== */

.ew-br-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity var(--ew-br-transition);
    z-index: 10099; /* EW z-index layer: selectors=10000, drawer=10100, tooltip=10200 */
}

/* ===== OPEN STATE ===== */

#ew-br-container.ew-br-open .ew-br-handle {
    opacity: 0;
    pointer-events: none;
}

/* ===== WP ADMIN BAR OFFSET ===== */

.admin-bar #ew-br-container[data-desktop="right"],
.admin-bar #ew-br-container[data-desktop="left"] {
    top: 32px;
    height: calc(100vh - 32px);
}

@media screen and (max-width: 782px) {
    .admin-bar #ew-br-container[data-desktop="right"],
    .admin-bar #ew-br-container[data-desktop="left"] {
        top: 46px;
        height: calc(100vh - 46px);
    }
}

/* ===== MOBILE STYLES ===== */

@media (max-width: 768px) {
    /* Override to use mobile position */
    #ew-br-container[data-mobile="bottom"] {
        top: auto;
        left: 0;
        right: 0;
        bottom: 0;
        height: auto;
        overflow: visible;
    }

    #ew-br-container[data-mobile="bottom"] .ew-br-drawer {
        width: 100%;
        height: var(--ew-br-mobile-height);
        max-height: none;
        left: 0;
        right: 0;
        bottom: 0;
        top: auto;
        transform: translateY(100%);
        border-radius: 16px 16px 0 0;
    }

    #ew-br-container[data-mobile="bottom"].ew-br-open .ew-br-drawer {
        transform: translateY(0);
    }

    #ew-br-container[data-mobile="bottom"] .ew-br-drag-indicator {
        display: block;
    }

    #ew-br-container[data-mobile="bottom"] .ew-br-backdrop {
        display: block;
    }

    #ew-br-container[data-mobile="bottom"].ew-br-open .ew-br-backdrop {
        opacity: 1;
    }

    /* Mobile handle - always floating style, positioned above container */
    #ew-br-container[data-mobile="bottom"] .ew-br-handle {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        padding: 0;
        bottom: 10px; /* Match language selector and version switcher mobile position */
        top: auto;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        flex-direction: row;
        position: fixed;
    }

    #ew-br-container[data-mobile="bottom"] .ew-br-handle-text {
        display: none;
    }

    /* Side positions on mobile */
    #ew-br-container[data-mobile="left"],
    #ew-br-container[data-mobile="right"] {
        height: 100vh;
        overflow: visible;
    }

    .admin-bar #ew-br-container[data-mobile="left"],
    .admin-bar #ew-br-container[data-mobile="right"] {
        top: 46px;
        height: calc(100vh - 46px);
    }

    #ew-br-container[data-mobile="left"] .ew-br-drawer,
    #ew-br-container[data-mobile="right"] .ew-br-drawer {
        width: 85vw;
        max-width: 320px;
        height: 100%;
    }

    #ew-br-container[data-mobile="left"] .ew-br-backdrop,
    #ew-br-container[data-mobile="right"] .ew-br-backdrop {
        display: block;
    }

    #ew-br-container[data-mobile="left"].ew-br-open .ew-br-backdrop,
    #ew-br-container[data-mobile="right"].ew-br-open .ew-br-backdrop {
        opacity: 1;
    }
}

/* ===== SAFE AREA (iOS) ===== */

@supports (padding-bottom: env(safe-area-inset-bottom)) {
    #ew-br-container[data-mobile="bottom"] .ew-br-content {
        padding-bottom: calc(16px + env(safe-area-inset-bottom));
    }
}

/* ===== ACCESSIBILITY ===== */

@media (prefers-reduced-motion: reduce) {
    .ew-br-drawer,
    .ew-br-handle,
    .ew-br-backdrop,
    .ew-br-verse {
        transition: none;
    }

    .ew-br-loading::before {
        animation: none;
    }
}

/* Hide when closed and handle hover states properly */
#ew-br-container.ew-br-closed .ew-br-drawer {
    visibility: hidden;
}

#ew-br-container.ew-br-open .ew-br-drawer {
    visibility: visible;
}