/* ═══════════════════════════════════════════════════════════
   ScholarPress — Bookmarks System Styles
   ═══════════════════════════════════════════════════════════ */

/* ── Card Bookmark Button ─────────────────────────────────── */
.sp-bookmark-btn {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 3;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--sp-gray-400);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.sp-bookmark-btn:hover {
    transform: scale(1.12);
    color: #ef4444;
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.sp-bookmark-btn .sp-bookmark-icon--filled {
    display: none;
}

.sp-bookmark-btn.is-saved {
    color: #ef4444;
    background: white;
}

.sp-bookmark-btn.is-saved .sp-bookmark-icon--outline {
    display: none;
}

.sp-bookmark-btn.is-saved .sp-bookmark-icon--filled {
    display: block;
}

/* Pulse animation on toggle */
@keyframes sp-bookmark-pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.3);
    }

    100% {
        transform: scale(1);
    }
}

.sp-bookmark-pulse {
    animation: sp-bookmark-pulse 0.4s ease;
}

/* ── Header Bookmark Trigger ──────────────────────────────── */
.sp-header__bookmark {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--sp-radius-sm, 8px);
    color: var(--sp-gray-600);
    transition: all 0.3s ease;
}

.sp-header__bookmark:hover {
    background: var(--sp-primary-50);
    color: #ef4444;
}

.sp-bookmark-count {
    position: absolute;
    top: 2px;
    right: 0;
    min-width: 18px;
    height: 18px;
    display: none;
    align-items: center;
    justify-content: center;
    background: #ef4444;
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    border-radius: 9999px;
    padding: 0 5px;
    line-height: 1;
}

/* ── Bookmark Modal ───────────────────────────────────────── */
.sp-bm-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.sp-bm-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.sp-bm-modal {
    background: white;
    border-radius: var(--sp-radius-lg, 16px);
    width: 90%;
    max-width: 520px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: scale(0.96) translateY(12px);
    transition: transform 0.3s ease;
}

.sp-bm-overlay.is-open .sp-bm-modal {
    transform: scale(1) translateY(0);
}

.sp-bm-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--sp-gray-200, #e2e8f0);
}

.sp-bm-modal__header h2 {
    font-size: 1.15rem;
    margin: 0;
}

.sp-bm-modal__close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--sp-gray-100, #f1f5f9);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.3rem;
    color: var(--sp-gray-600);
    transition: all 0.2s ease;
}

.sp-bm-modal__close:hover {
    background: var(--sp-gray-200);
    color: var(--sp-gray-900);
}

.sp-bm-modal__body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
}

.sp-bm-modal__footer {
    padding: 16px 24px;
    border-top: 1px solid var(--sp-gray-200, #e2e8f0);
    text-align: right;
}

/* ── Bookmark Items ───────────────────────────────────────── */
.sp-bm-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--sp-gray-100, #f1f5f9);
    gap: 12px;
}

.sp-bm-item:last-child {
    border-bottom: none;
}

.sp-bm-item__title {
    flex: 1;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--sp-gray-800, #1e293b);
    text-decoration: none;
    transition: color 0.2s ease;
}

.sp-bm-item__title:hover {
    color: var(--sp-primary, #0ea5e9);
}

.sp-bm-item__remove {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    border-radius: 50%;
    cursor: pointer;
    color: var(--sp-gray-400);
    transition: all 0.2s ease;
}

.sp-bm-item__remove:hover {
    background: #fef2f2;
    color: #ef4444;
}

/* ── Empty State ──────────────────────────────────────────── */
.sp-bm-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--sp-gray-500);
}

.sp-bm-empty p {
    margin: 4px 0;
}

/* ── Clear All Button ─────────────────────────────────────── */
.sp-bm-clear-btn {
    font-size: 0.82rem;
    padding: 8px 20px;
    color: #ef4444;
    border-color: #fecaca;
}

.sp-bm-clear-btn:hover {
    background: #fef2f2;
    border-color: #ef4444;
}

/* ── Single Page Bookmark ─────────────────────────────────── */
.sp-single-bookmark {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border: 2px solid var(--sp-gray-200, #e2e8f0);
    border-radius: 9999px;
    background: transparent;
    cursor: pointer;
    font-family: var(--sp-font-body, sans-serif);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--sp-gray-600);
    transition: all 0.3s ease;
}

.sp-single-bookmark:hover {
    border-color: #ef4444;
    color: #ef4444;
    background: #fef2f2;
}

.sp-single-bookmark.is-saved {
    border-color: #ef4444;
    color: #ef4444;
    background: #fef2f2;
}

.sp-single-bookmark .sp-bookmark-icon--filled {
    display: none;
}

.sp-single-bookmark.is-saved .sp-bookmark-icon--outline {
    display: none;
}

.sp-single-bookmark.is-saved .sp-bookmark-icon--filled {
    display: block;
}