/* KNOWLEDGE GRAPH - Arctic Theme (matching main page) */

:root {
    --bg-primary: #0a1628;
    --bg-secondary: #0f1d2e;
    --bg-panel: #1b2838;
    --bg-hover: #243447;

    --text-primary: #e8f4f8;
    --text-secondary: #88a4b8;
    --text-muted: #5a7a8a;

    --accent: #88d4f7;
    --accent-dim: #5bb8e0;
    --accent-glow: rgba(136, 212, 247, 0.3);
    --green: #4adeab;
    --blue: #88d4f7;
    --pink: #f788b0;
    --red: #f788b0;
    --turquoise: #4fd1c5;
    --aurora-purple: #a78bfa;

    --border: #2d4a6f;
    --border-light: #3d5a7f;

    --font-mono: 'IBM Plex Mono', 'Consolas', 'Monaco', monospace;

    --radius: 4px;
    --radius-lg: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-primary);
    line-height: 1.4;
    overflow-x: hidden;
    background: transparent;
}

/* Background artico - z-index -3 */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('public/images/arctic_background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: -3;
    pointer-events: none;
}

/* Camada de desfoque - z-index -1 (na frente das particulas) */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(2px);
    z-index: -1;
    pointer-events: none;
}

.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 12px;
    gap: 8px;
    position: relative;
    z-index: 0;
    background: transparent;
}

/* ============================================
   SNOWFALL EFFECT
   ============================================ */

.snowflakes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -2;
    overflow: hidden;
}

.snowflake {
    position: absolute;
    color: #fff;
    font-size: 1em;
    opacity: 0.8;
    animation: snowfall linear infinite;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
}

@keyframes snowfall {
    0% {
        opacity: 0;
        transform: translateY(-10px) translateX(0) rotate(0deg);
    }
    5% {
        opacity: 1;
    }
    95% {
        opacity: 0.8;
    }
    100% {
        opacity: 0;
        transform: translateY(100vh) translateX(30px) rotate(360deg);
    }
}

/* ============================================
   HEADER - Clark Style
   ============================================ */

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: rgba(15, 29, 46, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(136, 212, 247, 0.2);
    border-radius: var(--radius-lg);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    gap: 16px;
}

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

.back-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    font-size: 14px;
    color: var(--accent);
    text-decoration: none;
    background: rgba(136, 212, 247, 0.1);
    border: 1px solid rgba(136, 212, 247, 0.3);
    border-radius: var(--radius);
    transition: all 0.15s ease;
}

.back-link:hover {
    background: rgba(136, 212, 247, 0.2);
    color: var(--text-primary);
    box-shadow: 0 0 8px var(--accent-glow);
}

.logo {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(136, 212, 247, 0.3);
}

.version {
    font-size: 10px;
    color: var(--text-muted);
    padding: 2px 6px;
    background: rgba(136, 212, 247, 0.1);
    border: 1px solid rgba(136, 212, 247, 0.2);
    border-radius: var(--radius);
}

.header-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.live-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--pink);
    padding: 4px 12px;
    background: rgba(247, 136, 176, 0.1);
    border: 1px solid rgba(247, 136, 176, 0.3);
    border-radius: var(--radius);
    animation: livePulse 1.5s infinite;
}

.live-dot {
    width: 6px;
    height: 6px;
    background: var(--pink);
    border-radius: 50%;
    animation: pulse 1s infinite;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

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

.clock-time {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.05em;
}

.clock-date {
    font-size: 10px;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.network-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    color: var(--green);
    letter-spacing: 0.05em;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-dot.online {
    background: var(--green);
    box-shadow: 0 0 6px rgba(74, 222, 171, 0.5);
}

.status-dot.offline {
    background: var(--pink);
    box-shadow: 0 0 6px rgba(247, 136, 176, 0.5);
}

.ca-address {
    font-size: 10px;
    color: var(--text-muted);
    padding: 4px 8px;
    background: rgba(27, 40, 56, 0.8);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

.ca-address:hover {
    opacity: 0.7;
    transform: translateY(-1px);
}

.header-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-secondary);
    background: rgba(27, 40, 56, 0.8);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
}

.header-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
    color: var(--text-primary);
}

.header-btn.active {
    border-color: var(--accent);
    color: var(--accent);
}

.header-btn .btn-icon {
    font-size: 12px;
}

.header-btn .btn-text {
    letter-spacing: 0.05em;
}

/* Page Title Bar */
.page-title-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: rgba(27, 40, 56, 0.6);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(136, 212, 247, 0.1);
    border-radius: var(--radius-lg);
}

.page-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-primary);
}

.page-subtitle {
    font-size: 9px;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    flex: 1;
    margin-left: 16px;
}

.title-stats {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 10px;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.stat-divider {
    color: var(--text-muted);
}

/* ============================================
   STATS BAR
   ============================================ */

.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.stat-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    background: rgba(27, 40, 56, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(136, 212, 247, 0.2);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow:
        inset 0 0 30px rgba(136, 212, 247, 0.03),
        0 0 20px rgba(0, 0, 0, 0.3);
}

.stat-box .stat-label {
    font-size: 9px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}

.stat-box .stat-value {
    font-size: 20px;
    font-weight: 600;
    color: var(--accent);
}

.instruction {
    text-align: center;
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    padding: 8px;
}

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

.main-content {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 8px;
    flex: 1;
    min-height: 400px;
}

/* ============================================
   PANEL HEADERS
   ============================================ */

.panel-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: rgba(15, 29, 46, 0.6);
    border-bottom: 1px solid var(--border);
    font-size: 10px;
    letter-spacing: 0.1em;
}

.panel-tag {
    padding: 2px 8px;
    background: var(--accent);
    color: var(--bg-primary);
    font-size: 9px;
    font-weight: 600;
    border-radius: var(--radius);
}

.panel-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 11px;
    letter-spacing: 0.1em;
}

.panel-info {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 9px;
}

/* ============================================
   SPATIAL VIEW / GRAPH
   ============================================ */

.spatial-view {
    display: flex;
    flex-direction: column;
    background: rgba(27, 40, 56, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(136, 212, 247, 0.2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow:
        inset 0 0 30px rgba(136, 212, 247, 0.03),
        0 0 20px rgba(0, 0, 0, 0.3);
}

.graph-container {
    flex: 1;
    position: relative;
    background: rgba(10, 22, 40, 0.9);
    min-height: 350px;
    border-top: 1px solid var(--border);
}

#graphCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

.graph-label {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-align: center;
    pointer-events: none;
}

/* ============================================
   INSPECTOR
   ============================================ */

.inspector {
    display: flex;
    flex-direction: column;
    background: rgba(27, 40, 56, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(136, 212, 247, 0.2);
    border-radius: var(--radius-lg);
    box-shadow:
        inset 0 0 30px rgba(136, 212, 247, 0.03),
        0 0 20px rgba(0, 0, 0, 0.3);
}

.inspector-content {
    flex: 1;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
}

.inspector-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.section-label {
    font-size: 9px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

.section-content {
    font-size: 11px;
    color: var(--text-secondary);
    padding: 10px;
    background: rgba(15, 29, 46, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    min-height: 40px;
}

.section-content.has-content {
    color: var(--text-primary);
}

/* Legend */
.legend {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 10px;
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.legend-count {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 9px;
}

/* ============================================
   BOTTOM PANELS
   ============================================ */

.bottom-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    min-height: 200px;
}

/* Directory */
.directory {
    display: flex;
    flex-direction: column;
    background: rgba(27, 40, 56, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(136, 212, 247, 0.2);
    border-radius: var(--radius-lg);
    box-shadow:
        inset 0 0 30px rgba(136, 212, 247, 0.03),
        0 0 20px rgba(0, 0, 0, 0.3);
}

.directory-content {
    flex: 1;
    padding: 8px;
    overflow-y: auto;
    max-height: 180px;
}

.directory-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: all 0.15s ease;
    border-radius: var(--radius);
}

.directory-item:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
}

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

.dir-icon {
    width: 8px;
    height: 8px;
    border: 1px solid var(--accent);
    background: var(--accent);
    border-radius: 2px;
}

.dir-text {
    flex: 1;
    font-size: 10px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dir-type {
    font-size: 9px;
    color: var(--accent);
    text-transform: uppercase;
    padding: 2px 6px;
    background: rgba(136, 212, 247, 0.1);
    border: 1px solid rgba(136, 212, 247, 0.3);
    border-radius: var(--radius);
}

.dir-date {
    font-size: 9px;
    color: var(--text-muted);
}

/* Search */
.search {
    display: flex;
    flex-direction: column;
    background: rgba(27, 40, 56, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(136, 212, 247, 0.2);
    border-radius: var(--radius-lg);
    box-shadow:
        inset 0 0 30px rgba(136, 212, 247, 0.03),
        0 0 20px rgba(0, 0, 0, 0.3);
}

.search-content {
    flex: 1;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.search-form {
    display: flex;
    gap: 6px;
}

.search-input {
    flex: 1;
    padding: 10px 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    background: rgba(15, 29, 46, 0.8);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    transition: all 0.15s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

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

.search-btn {
    padding: 10px 20px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.05em;
    background: var(--accent);
    border: none;
    border-radius: var(--radius);
    color: var(--bg-primary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.search-btn:hover {
    background: var(--accent-dim);
    box-shadow: 0 0 10px var(--accent-glow);
}

.search-results {
    flex: 1;
    overflow-y: auto;
    max-height: 130px;
}

.search-result-item {
    padding: 8px 10px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: all 0.15s ease;
    border-radius: var(--radius);
}

.search-result-item:hover {
    background: var(--bg-hover);
}

.empty-message {
    color: var(--text-muted);
    font-size: 10px;
    font-style: italic;
    padding: 12px;
    text-align: center;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    padding: 12px 20px;
    background: rgba(15, 29, 46, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(136, 212, 247, 0.2);
    border-radius: var(--radius-lg);
    text-align: center;
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

/* ============================================
   NODE DETAIL MODAL
   ============================================ */

.node-detail {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(27, 40, 56, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(136, 212, 247, 0.3);
    border-radius: var(--radius-lg);
    padding: 0;
    max-width: 500px;
    width: 90%;
    z-index: 1000;
    display: none;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
}

.node-detail.active {
    display: block;
    animation: slideUp 0.2s ease;
}

@keyframes slideUp {
    from { transform: translate(-50%, -50%) translateY(20px); opacity: 0; }
    to { transform: translate(-50%, -50%) translateY(0); opacity: 1; }
}

.node-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(15, 29, 46, 0.8);
    border-bottom: 1px solid var(--border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.node-detail-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-primary);
}

.node-detail-close {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.15s ease;
}

.node-detail-close:hover {
    color: var(--text-primary);
}

.node-detail-body {
    padding: 16px;
}

.node-detail-text {
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 16px;
    white-space: pre-wrap;
}

.node-detail-meta {
    font-size: 10px;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999;
    display: none;
    backdrop-filter: blur(4px);
}

.overlay.active {
    display: block;
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1200px) {
    .header-right {
        gap: 8px;
    }

    .ca-address {
        display: none;
    }

    .page-subtitle {
        display: none;
    }
}

@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .bottom-panels {
        grid-template-columns: 1fr;
    }

    .header {
        flex-wrap: wrap;
        gap: 10px;
        padding: 10px 12px;
    }

    .header-center {
        position: static;
        transform: none;
        order: -1;
        width: 100%;
        text-align: center;
    }

    .header-left {
        flex: 1;
    }

    .header-right {
        flex-wrap: wrap;
        gap: 6px;
    }

    .network-status {
        display: none;
    }

    .page-title-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .title-stats {
        width: 100%;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .header-right {
        width: 100%;
        justify-content: center;
    }

    .clock-date {
        display: none;
    }

    .header-btn .btn-text {
        display: none;
    }

    .header-btn {
        padding: 6px 8px;
    }
}