:root {
    --bg: #0a0a0a;
    --bg-card: #161b22;
    --bg-hover: #1c2129;
    --bg-input: #0d1117;
    --border: #30363d;
    --text: #e6edf3;
    --text-dim: #8b949e;
    --accent-green: #238636;
    --accent-blue: #58a6ff;
    --accent-red: #f85149;
    --accent-yellow: #d29922;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --radius: 10px;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { color: var(--text); }

/* Nav */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text);
}

.nav-links { display: flex; gap: 20px; align-items: center; }
.nav-links a { color: var(--text-dim); font-size: 13px; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-dim { opacity: 0.5; }

/* Main */
main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-header h1 { font-size: 24px; font-weight: 700; }
.header-sub { color: var(--text-dim); font-size: 13px; margin-top: 4px; }
.header-actions { display: flex; gap: 10px; align-items: center; }
.back-link { font-size: 13px; display: inline-block; margin-bottom: 8px; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 18px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    background: var(--bg-card);
    color: var(--text);
    transition: all 0.15s;
}
.btn:hover { border-color: var(--text-dim); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-green { background: var(--accent-green); border-color: var(--accent-green); color: #fff; }
.btn-green:hover { background: #2ea043; }
.btn-blue { background: rgba(88, 166, 255, 0.15); border-color: var(--accent-blue); color: var(--accent-blue); }
.btn-blue:hover { background: rgba(88, 166, 255, 0.25); }
.btn-yellow { background: rgba(210, 153, 34, 0.15); border-color: var(--accent-yellow); color: var(--accent-yellow); }
.btn-outline { background: transparent; }
.btn-lg { padding: 12px 28px; font-size: 15px; }

.btn-sm { padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-card); color: var(--text-dim); font-size: 11px; cursor: pointer; }
.btn-sm:hover { color: var(--text); border-color: var(--text-dim); }
.btn-red { color: var(--accent-red); border-color: rgba(248, 81, 73, 0.3); }
.btn-green-sm { color: var(--accent-green); border-color: rgba(35, 134, 54, 0.3); }

/* Scan bar */
.scan-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: rgba(88, 166, 255, 0.08);
    border: 1px solid rgba(88, 166, 255, 0.2);
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
}

.scan-spinner {
    width: 18px; height: 18px;
    border: 2px solid var(--border);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Info bar */
.info-bar {
    padding: 12px 16px;
    background: rgba(210, 153, 34, 0.08);
    border: 1px solid rgba(210, 153, 34, 0.2);
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--text-dim);
}
.info-bar a { margin-left: 8px; }

/* Category grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.cat-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.15s, transform 0.15s;
}
.cat-card:hover { border-color: var(--text-dim); transform: translateY(-1px); }
.cat-card.has-data { border-left: 3px solid var(--accent-green); }

.cat-icon {
    display: inline-block;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--accent-blue);
    margin-bottom: 12px;
}

.cat-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }

.cat-status { font-size: 12px; font-weight: 500; }
.cat-status.found { color: var(--accent-green); }
.cat-status.error { color: var(--accent-red); }
.cat-status.pending { color: var(--text-dim); }
.cat-date { font-size: 11px; color: var(--text-dim); margin-top: 2px; }
.cat-badge {
    display: inline-block;
    margin-top: 8px;
    padding: 2px 8px;
    background: rgba(88, 166, 255, 0.1);
    border-radius: 4px;
    font-size: 11px;
    color: var(--accent-blue);
}

/* Finding content */
.finding-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text);
    white-space: pre-wrap;
    word-wrap: break-word;
    margin-bottom: 24px;
}

.deep-dive-section {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.deep-dive-section h2 { font-size: 20px; margin-bottom: 4px; }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-dim);
}
.empty-state .btn { margin-top: 16px; }

/* Panels */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}
.panel h3 { font-size: 15px; margin-bottom: 12px; }
.panel-row { display: flex; gap: 10px; margin-top: 10px; align-items: center; }

/* Forms */
.input-full {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
}
.input-full:focus { outline: none; border-color: var(--accent-blue); }

.input-select {
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 13px;
}

textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    resize: vertical;
    margin-bottom: 12px;
}
textarea:focus { outline: none; border-color: var(--accent-blue); }

/* Profile form */
.profile-form { max-width: 700px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; color: var(--text-dim); margin-bottom: 6px; }
.form-group input, .form-group select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent-blue); }
.full-width { grid-column: 1 / -1; }
.form-section { font-size: 15px; font-weight: 600; margin: 20px 0 12px; padding-top: 16px; border-top: 1px solid var(--border); }

.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin-bottom: 20px; }
.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-dim);
    cursor: pointer;
}
.checkbox input[type="checkbox"] { accent-color: var(--accent-green); width: 16px; height: 16px; }

/* Actions columns */
.actions-columns { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 768px) { .actions-columns { grid-template-columns: 1fr; } }

.action-col { min-height: 200px; }
.col-header {
    font-size: 14px;
    font-weight: 600;
    padding: 10px 14px;
    border-radius: 8px 8px 0 0;
    margin-bottom: 8px;
}
.col-header.todo { background: rgba(139, 148, 158, 0.1); color: var(--text-dim); }
.col-header.progress { background: rgba(88, 166, 255, 0.1); color: var(--accent-blue); }
.col-header.done { background: rgba(35, 134, 54, 0.1); color: var(--accent-green); }

.action-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
}
.action-card.priority-high { border-left: 3px solid var(--accent-red); }
.action-card.priority-medium { border-left: 3px solid var(--accent-yellow); }
.action-card.priority-low { border-left: 3px solid var(--text-dim); }
.action-card.done-card { opacity: 0.6; }

.action-title { font-size: 14px; font-weight: 500; margin-bottom: 6px; }
.action-cat { font-size: 11px; color: var(--text-dim); background: rgba(255,255,255,0.05); padding: 2px 6px; border-radius: 4px; }
.action-btns { display: flex; gap: 6px; margin-top: 8px; }

/* Login */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 360px;
    text-align: center;
}
.login-card h1 { font-size: 22px; letter-spacing: 3px; margin-bottom: 4px; }
.login-sub { color: var(--text-dim); font-size: 13px; margin-bottom: 24px; }
.login-error { color: var(--accent-red); font-size: 13px; margin-bottom: 12px; }
.login-card input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
    text-align: center;
    margin-bottom: 12px;
}
.login-card input:focus { outline: none; border-color: var(--accent-blue); }
.login-card button {
    width: 100%;
    padding: 12px;
    background: var(--accent-green);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-family: var(--font);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}
.login-card button:hover { background: #2ea043; }
.login-back { display: block; margin-top: 20px; font-size: 13px; color: var(--text-dim); }

@media (max-width: 640px) {
    .form-grid { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; }
}