/* PingBlink Premium Widget CSS */

#pingblink-root {
    --pingblink-primary: #0057ff; /* Fallback, will be overridden by JS inline style */
    --pingblink-bg: #ffffff;
    --pingblink-bg-glass: rgba(255, 255, 255, 0.95);
    --pingblink-text: #1a1a1a;
    --pingblink-muted: #6b7280;
    --pingblink-border: #e5e7eb;
    --pingblink-hover: #f3f4f6;
    --pingblink-shadow: 0 10px 40px -10px rgba(0,0,0,0.15), 0 4px 6px -4px rgba(0,0,0,0.05);
    --pingblink-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --pingblink-radius: 16px;
    --pingblink-z: 999999;
}

#pingblink-root * {
    box-sizing: border-box;
    font-family: var(--pingblink-font);
}

.pingblink-trigger {
    position: fixed;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--pingblink-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    cursor: pointer;
    z-index: var(--pingblink-z);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    outline: none;
}

.pingblink-trigger:hover {
    transform: scale(1.05);
}

.pingblink-trigger svg {
    width: 30px;
    height: 30px;
    fill: currentColor;
    transition: transform 0.3s ease;
}

.pingblink-trigger.is-open svg {
    transform: rotate(90deg);
    opacity: 0;
}

.pingblink-trigger .pingblink-close-icon {
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg);
}

.pingblink-trigger.is-open .pingblink-close-icon {
    opacity: 1;
}

.pingblink-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background-color: #f44336;
    color: white;
    font-size: 10px;
    font-weight: bold;
    padding: 2px 6px;
    border-radius: 10px;
    display: none;
    pointer-events: none;
    animation: pingblinkPulse 2s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes pingblinkPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }
}

/* Positions */
.pingblink-pos-bottom-right .pingblink-trigger { bottom: 24px; right: 24px; }
.pingblink-pos-bottom-left .pingblink-trigger { bottom: 24px; left: 24px; }

/* Panel */
.pingblink-panel {
    position: fixed;
    width: 380px;
    max-height: calc(100vh - 120px);
    height: 600px;
    background: var(--pingblink-bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--pingblink-radius);
    box-shadow: var(--pingblink-shadow);
    z-index: var(--pingblink-z);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid var(--pingblink-border);
}

.pingblink-panel.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.pingblink-pos-bottom-right .pingblink-panel { bottom: 100px; right: 24px; transform-origin: bottom right; }
.pingblink-pos-bottom-left .pingblink-panel { bottom: 100px; left: 24px; transform-origin: bottom left; }

/* Header */
.pingblink-card.is-unread {
    background-color: #f0f7ff;
    border-left: 3px solid var(--pingblink-primary);
}
.pingblink-card.is-unread h4 {
    font-weight: 700;
}
.pingblink-card:hover {
    background-color: #f5f5f5;
}
.pingblink-card.is-unread:hover {
    background-color: #e6f0fa;
}
.pingblink-header {
    background-color: var(--pingblink-primary);
    color: white;
    padding: 24px;
    text-align: center;
}

.pingblink-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: white;
}

.pingblink-header p {
    margin: 8px 0 0;
    font-size: 14px;
    opacity: 0.9;
}

/* Navigation */
.pingblink-nav {
    display: flex;
    border-bottom: 1px solid var(--pingblink-border);
    background: var(--pingblink-bg);
}

.pingblink-nav button {
    flex: 1;
    padding: 12px 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 14px;
    font-weight: 500;
    color: var(--pingblink-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.pingblink-nav button .pingblink-tab-badge {
    display: none;
    background-color: #f44336;
    color: white;
    font-size: 10px;
    font-weight: bold;
    padding: 2px 6px;
    border-radius: 10px;
    margin-left: 4px;
    vertical-align: middle;
}

.pingblink-nav button.has-unread .pingblink-tab-badge {
    display: inline-block;
}

.pingblink-nav button:hover {
    color: var(--pingblink-text);
    background: var(--pingblink-hover);
}

.pingblink-nav button.is-active {
    color: var(--pingblink-primary);
    border-bottom-color: var(--pingblink-primary);
}

/* Content Area */
.pingblink-content {
    flex: 1;
    overflow-y: auto;
    background: var(--pingblink-bg);
    position: relative;
}

.pingblink-tab-pane {
    display: none;
    padding: 20px;
    animation: pingblinkFadeIn 0.3s ease;
}

.pingblink-tab-pane.is-active {
    display: block;
}

@keyframes pingblinkFadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Search */
.pingblink-search {
    position: relative;
    margin-bottom: 16px;
}

.pingblink-search input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    border: 1px solid var(--pingblink-border);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.pingblink-search input:focus {
    border-color: var(--pingblink-primary);
}

.pingblink-search svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    fill: var(--pingblink-muted);
}

/* Lists */
.pingblink-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pingblink-list li {
    margin-bottom: 12px;
}

.pingblink-card {
    display: block;
    margin-bottom: 12px;
    background: #fff;
    border: 1px solid var(--pingblink-border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--pingblink-text);
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
    cursor: pointer;
    overflow: hidden;
}

.pingblink-card-body {
    padding: 16px;
}

.pingblink-card-thumb img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--pingblink-border);
}

.pingblink-card:hover {
    border-color: var(--pingblink-primary);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transform: translateY(-2px);
}

.pingblink-card h4 {
    margin: 0 0 8px;
    font-size: 15px;
    font-weight: 600;
}

.pingblink-card p {
    margin: 0;
    font-size: 13px;
    color: var(--pingblink-muted);
    line-height: 1.5;
}

/* Spinner */
.pingblink-spinner {
    text-align: center;
    padding: 40px;
    color: var(--pingblink-muted);
}

.pingblink-spinner svg {
    animation: pingblinkSpin 1s linear infinite;
    fill: var(--pingblink-primary);
}

@keyframes pingblinkSpin {
    100% { transform: rotate(360deg); }
}

/* Article View */
.pingblink-article-view {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--pingblink-bg);
    z-index: 10;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.pingblink-article-view.is-active {
    transform: translateX(0);
}

.pingblink-article-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--pingblink-border);
    display: flex;
    align-items: center;
}

.pingblink-btn-back {
    background: none;
    border: none;
    color: var(--pingblink-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 0;
    margin-right: auto;
}

.pingblink-article-body {
    padding: 24px 20px;
    overflow-y: auto;
    flex: 1;
}

.pingblink-article-body h1 {
    margin-top: 0;
    font-size: 22px;
}

.pingblink-feedback {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--pingblink-border);
    text-align: center;
}

.pingblink-feedback p {
    margin: 0 0 12px;
    font-size: 14px;
    color: var(--pingblink-muted);
}

.pingblink-feedback button {
    background: var(--pingblink-hover);
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    margin: 0 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.pingblink-feedback button:hover {
    background: #e2e8f0;
}

.pingblink-form input,
.pingblink-form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 12px;
    border: 1px solid var(--pingblink-border);
    border-radius: 6px;
    font-family: inherit;
}

.pingblink-form button {
    width: 100%;
    padding: 12px;
    background: var(--pingblink-primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 480px) {
    .pingblink-panel {
        width: 100%;
        height: 100%;
        max-height: 100%;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        border-radius: 0;
    }
}