/* =============================================================================
   Portal Page – Enhanced CSS (Phase 2)
   ============================================================================= */

/* ---- Search ---------------------------------------------------------------- */
.search-container {
    position: relative;
    margin-right: 16px;
}

.search-input {
    width: 200px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-background);
    color: var(--text-color);
    font-size: 0.9rem;
    transition: all 0.15s ease;
    box-shadow: var(--shadow);
}

.search-input:focus {
    outline: none;
    border-color: var(--hover-color);
    box-shadow: 0 0 0 3px rgba(45, 108, 176, 0.1);
    width: 260px;
}

.search-input::placeholder {
    color: var(--text-light);
}

/* ---- Skeleton loading animation -------------------------------------------- */
.skeleton {
    background: linear-gradient(90deg,
        var(--border-color) 25%, transparent 50%, var(--border-color) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 6px;
}

.skeleton-card {
    height: 40px;
    margin-bottom: 10px;
}

@keyframes skeleton-loading {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ---- Link card hover improvements ----------------------------------------- */
.link-card {
    transform: translateY(0);
    transition: all 0.2s ease;
}

.link-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .link-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* ---- Category fade-in ------------------------------------------------------ */
.category {
    animation: fadeInUp 0.3s ease-out both;
}

.category:nth-child(2) { animation-delay: 0.05s; }
.category:nth-child(3) { animation-delay: 0.10s; }
.category:nth-child(4) { animation-delay: 0.15s; }
.category:nth-child(5) { animation-delay: 0.20s; }
.category:nth-child(6) { animation-delay: 0.25s; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0);    }
}

/* ---- Focus indicators (accessibility) -------------------------------------- */
.link-card:focus-visible,
.theme-toggle:focus-visible,
.search-input:focus-visible {
    outline: 2px solid var(--hover-color);
    outline-offset: 2px;
}

/* ---- Toast notification system --------------------------------------------- */
.toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
    max-width: 380px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    color: #fff;
    pointer-events: auto;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    transform: translateX(110%);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: pre-line;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.hide {
    transform: translateX(110%);
    opacity: 0;
}

.toast-info    { background: #3182ce; }
.toast-success { background: #38a169; }
.toast-error   { background: #e53e3e; }
.toast-warning { background: #d69e2e; color: #1a202c; }

.toast-message {
    flex: 1;
}

.toast-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 2px;
    opacity: 0.7;
    line-height: 1;
}

.toast-close:hover {
    opacity: 1;
}

.toast-actions {
    display: flex;
    gap: 6px;
}

.toast-action-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: inherit;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    font-weight: 600;
}

.toast-action-btn:hover {
    background: rgba(255, 255, 255, 0.35);
}

/* ---- Dev Mode Badge -------------------------------------------------------- */
.dev-badge {
    position: fixed;
    bottom: 12px;
    left: 12px;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: monospace;
    z-index: 9999;
    pointer-events: none;
    -webkit-user-select: none;
    user-select: none;
    letter-spacing: 0.5px;
}

.dev-badge-full {
    background: #e53e3e;
    color: #fff;
    animation: pulse-badge 2s ease-in-out infinite;
}

.dev-badge-partial {
    background: #d69e2e;
    color: #1a202c;
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.6; }
}

/* ---- Pull-to-refresh indicator --------------------------------------------- */
.pull-indicator {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    text-align: center;
    padding: 12px;
    background: var(--hover-color);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 9999;
    transition: opacity 0.15s;
}

/* ---- Screen-reader only ---------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ---- Responsive tweaks ----------------------------------------------------- */
@media (max-width: 768px) {
    .search-input {
        width: 150px;
        font-size: 0.85rem;
    }
    .search-input:focus {
        width: 180px;
    }
    .toast-container {
        left: 16px;
        right: 16px;
        max-width: none;
    }
    .dev-badge {
        font-size: 0.65rem;
        padding: 4px 10px;
    }
}

@media (max-width: 480px) {
    .search-container {
        margin-right: 8px;
    }
    .search-input {
        width: 120px;
        padding: 6px 8px;
    }
    .search-input:focus {
        width: 140px;
    }
}