:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --card-border: #30363d;
    --text-main: #c9d1d9;
    --text-muted: #8b949e;
    
    --accent-red: #f85149;
    --accent-green: #2ea043;
    --accent-green-bright: #3fb950;
    --accent-blue: #58a6ff;
    --accent-yellow: #d29922;
    --accent-purple: #bc8cff;

    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Fira Code', ui-monospace, SFMono-Regular, Consolas, monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Header */
.app-header {
    background-color: rgba(13, 17, 23, 0.95);
    border-bottom: 1px solid var(--card-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
}

.header-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .header-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

h1 {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.prompt {
    color: var(--accent-green-bright);
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    font-size: 0.875rem;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

select {
    background-color: var(--bg-color);
    color: var(--text-main);
    border: 1px solid var(--card-border);
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    outline: none;
}

select:focus {
    border-color: var(--accent-blue);
}

.stats {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Feed */
.feed-container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    border-color: #4b5563;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    transform: translateY(-2px);
}

.card-header {
    padding: 1rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

@media (min-width: 600px) {
    .card-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.header-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.ip {
    color: var(--accent-blue);
    font-weight: 600;
}

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

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.badge {
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    font-family: var(--font-sans);
}

.badge.red { background-color: rgba(248, 81, 73, 0.15); color: var(--accent-red); border: 1px solid rgba(248, 81, 73, 0.3); }
.badge.green { background-color: rgba(46, 160, 67, 0.15); color: var(--accent-green-bright); border: 1px solid rgba(46, 160, 67, 0.3); }
.badge.yellow { background-color: rgba(210, 153, 34, 0.15); color: var(--accent-yellow); border: 1px solid rgba(210, 153, 34, 0.3); }
.badge.purple { background-color: rgba(188, 140, 255, 0.15); color: var(--accent-purple); border: 1px solid rgba(188, 140, 255, 0.3); }
.badge.gray { background-color: rgba(139, 148, 158, 0.15); color: var(--text-muted); border: 1px solid rgba(139, 148, 158, 0.3); }

.card-body {
    padding: 1rem;
    font-size: 0.95rem;
}

.card-body p {
    margin-bottom: 0.5rem;
}

.card-body p:last-child {
    margin-bottom: 0;
}

.cmd-list {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    padding: 0.5rem;
    margin-top: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-green-bright);
}

.cmd-list .cmd {
    display: block;
}
.cmd-list .cmd::before {
    content: "$ ";
    color: var(--text-muted);
}

.card-meta {
    padding: 0.75rem 1rem;
    background-color: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--card-border);
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.meta-item span {
    color: var(--text-main);
    margin-right: 0.25rem;
}

.card-actions {
    padding: 0 1rem 1rem;
}

.expand-btn {
    background: transparent;
    color: var(--accent-blue);
    border: none;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.expand-btn:hover {
    text-decoration: underline;
}

.expand-btn::after {
    content: "▼";
    font-size: 0.6rem;
    transition: transform 0.2s;
}

.expand-btn.expanded::after {
    transform: rotate(180deg);
}

.card-raw {
    display: none;
    background: #000;
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-green);
    overflow-x: auto;
    border-top: 1px dashed var(--card-border);
}

.card-raw.visible {
    display: block;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.terminal-box {
    background: #0d1117;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: 0.75rem;
    margin-top: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-main);
    max-height: 300px;
    overflow-y: auto;
}

.terminal-entry {
    margin-bottom: 0.25rem;
}

.terminal-prompt {
    color: var(--accent-green-bright);
    margin-right: 0.35rem;
    user-select: none;
}

.terminal-cmd {
    color: #fff;
}

.terminal-output {
    color: var(--text-muted);
    margin-top: 0.15rem;
    margin-bottom: 0.75rem;
    white-space: pre-wrap;
    padding-left: 0.5rem;
    border-left: 2px solid #30363d;
}

.ip-geo {
    color: var(--text-muted);
    font-size: 0.9em;
    margin-left: 0.5rem;
    font-weight: 400;
}