/**
 * @file      app.css
 * @package   WebMonitorPro\Assets\CSS
 * @author    Infinity Labs
 * @version   0.1.0
 * @since     2026
 *
 * Hauptstylesheet — WebMonitor Pro
 *
 * Design-Sprache: #0d0d0d · JetBrains Mono · Minimal Border Cards
 * Pixel-genaue Umsetzung des UI-Prototyps.
 */

/* ================================================================
   CSS Custom Properties — Farbschema und Typografie
   ================================================================ */
:root {
    --bg:        #0d0d0d;
    --bg2:       #111111;
    --card:      #161616;
    --card2:     #1a1a1a;
    --border:    #1e1e1e;
    --border2:   #2a2a2a;
    --text:      #e8e8e8;
    --text2:     #888;
    --text3:     #444;
    --green:     #22c55e;
    --gbg:       rgba(34,197,94,.08);
    --yellow:    #eab308;
    --ybg:       rgba(234,179,8,.08);
    --red:       #ef4444;
    --rbg:       rgba(239,68,68,.08);
    --orange:    #f97316;
    --obg:       rgba(249,115,22,.08);
    --blue:      #60a5fa;
    --bbg:       rgba(96,165,250,.08);
    --mono:      'JetBrains Mono', monospace;
    --sans:      'Inter', sans-serif;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Hintergrund-Raster (subtiles Grid-Pattern) */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.012) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.012) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

/* Links ohne Standard-Unterstreichung */
a { color: inherit; text-decoration: none; }

/* ================================================================
   Layout — CSS Grid Shell
   ================================================================ */
.shell {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 220px 1fr;
    grid-template-rows: 52px 1fr;
    min-height: 100vh;
}

/* ================================================================
   Topbar
   ================================================================ */
.topbar {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 200;
}

/* Topbar linke Seite — Logo */
.tbl { display: flex; align-items: center; gap: 16px; }
.logo-mark { font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--text); }
.logo-sep { color: var(--text3); }
.logo-sub { font-size: 11px; font-weight: 400; color: var(--text2); }

/* Topbar rechte Seite — Status und Buttons */
.tbr { display: flex; align-items: center; gap: 12px; }

/* Status-Pill mit Puls-Animation */
.status-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    color: var(--text2);
    border: 1px solid var(--border2);
    padding: 4px 10px;
    border-radius: 2px;
}
.pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 8px rgba(34,197,94,.6);
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }

/* Topbar-Buttons */
.tb-btn {
    background: none;
    border: 1px solid var(--border2);
    color: var(--text2);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: 2px;
    cursor: pointer;
    transition: all .15s;
}
.tb-btn:hover { color: var(--text); border-color: var(--text3); }
.tb-btn.primary { border-color: rgba(34,197,94,.3); color: var(--green); }
.tb-btn.primary:hover { background: var(--gbg); }

/* ================================================================
   Sidebar-Navigation
   ================================================================ */
.sidebar {
    background: var(--bg2);
    border-right: 1px solid var(--border);
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.nav-section {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--text3);
    padding: 12px 20px 6px;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    cursor: pointer;
    transition: all .15s;
    border-left: 2px solid transparent;
    color: var(--text2);
    font-size: 12px;
}
.nav-item:hover { color: var(--text); background: rgba(255,255,255,.02); }
.nav-item.active { color: var(--text); border-left-color: var(--green); background: rgba(34,197,94,.04); }
.nav-icon { font-size: 13px; width: 16px; text-align: center; }

/* Sidebar-Badge für Zähler */
.nav-badge {
    margin-left: auto;
    font-size: 9px;
    background: var(--rbg);
    color: var(--red);
    border: 1px solid rgba(239,68,68,.2);
    padding: 1px 6px;
    border-radius: 2px;
}
.nav-badge.warn { background: var(--ybg); color: var(--yellow); border-color: rgba(234,179,8,.2); }

/* Sidebar-Footer */
.sidebar-footer {
    margin-top: auto;
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    font-size: 10px;
    color: var(--text3);
}

/* ================================================================
   Main-Content-Bereich
   ================================================================ */
.main { overflow-y: auto; background: var(--bg); padding: 24px; }

/* ================================================================
   Page Header
   ================================================================ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}
.page-title { font-size: 16px; font-weight: 600; color: var(--text); letter-spacing: -.01em; }
.page-sub { font-size: 11px; color: var(--text3); margin-top: 2px; }
.page-actions { display: flex; gap: 8px; }

/* ================================================================
   Stat Cards (KPI-Karten)
   ================================================================ */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 20px;
}
.stat-card { background: var(--card); padding: 16px; position: relative; overflow: hidden; }
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; }
.stat-card.green::before { background: var(--green); }
.stat-card.yellow::before { background: var(--yellow); }
.stat-card.red::before { background: var(--red); }
.stat-card.blue::before { background: var(--blue); }
.stat-label { font-size: 9px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--text3); margin-bottom: 8px; }
.stat-val { font-size: 26px; font-weight: 700; line-height: 1; margin-bottom: 6px; }
.stat-val.green { color: var(--green); }
.stat-val.yellow { color: var(--yellow); }
.stat-val.red { color: var(--red); }
.stat-val.blue { color: var(--blue); }
.stat-meta { font-size: 10px; color: var(--text3); }
.stat-delta { display: inline-block; font-size: 10px; padding: 1px 6px; border-radius: 2px; margin-left: 6px; }
.stat-delta.up { background: var(--gbg); color: var(--green); }
.stat-delta.down { background: var(--rbg); color: var(--red); }

/* ================================================================
   Grid-Layouts
   ================================================================ */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.grid3 { display: grid; grid-template-columns: 2fr 1fr; gap: 12px; margin-bottom: 12px; }

/* ================================================================
   Card-Komponente
   ================================================================ */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 4px; overflow: hidden; }
.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--card2);
}
.card-title { font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--text2); }
.card-body { padding: 16px; }
.chart-wrap { position: relative; height: 180px; }

/* ================================================================
   Domain-Tabelle
   ================================================================ */
.domain-table { width: 100%; border-collapse: collapse; }
.domain-table th {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text3);
    padding: 8px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.domain-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 12px; color: var(--text2); }
.domain-table tr:last-child td { border-bottom: none; }
.domain-table tr:hover td { background: rgba(255,255,255,.015); cursor: pointer; }
.domain-name { color: var(--text); font-weight: 500; }

/* Score-Badge (farbcodiert nach Wert) */
.score-badge { display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 2px; font-family: var(--mono); }
.score-badge.green { background: var(--gbg); color: var(--green); border: 1px solid rgba(34,197,94,.15); }
.score-badge.yellow { background: var(--ybg); color: var(--yellow); border: 1px solid rgba(234,179,8,.15); }
.score-badge.red { background: var(--rbg); color: var(--red); border: 1px solid rgba(239,68,68,.15); }

/* SSL- und HTTP-Status-Anzeigen */
.ssl-ok { color: var(--green); font-size: 11px; }
.ssl-warn { color: var(--yellow); font-size: 11px; }
.http-ok { color: var(--green); }
.http-err { color: var(--red); }

/* ================================================================
   Alert-Liste
   ================================================================ */
.alert-list { display: flex; flex-direction: column; gap: 1px; }
.alert-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 12px;
    background: var(--card);
    border-left: 2px solid transparent;
    transition: background .15s;
}
.alert-item:hover { background: var(--card2); }
.alert-item.crit { border-left-color: var(--red); }
.alert-item.warn { border-left-color: var(--yellow); }
.alert-item.info { border-left-color: var(--blue); }
.alert-dot { width: 6px; height: 6px; border-radius: 50%; margin-top: 5px; flex-shrink: 0; }
.alert-dot.crit { background: var(--red); }
.alert-dot.warn { background: var(--yellow); }
.alert-dot.info { background: var(--blue); }
.alert-content { flex: 1; }
.alert-title { font-size: 12px; color: var(--text); font-weight: 500; }
.alert-meta { font-size: 10px; color: var(--text3); margin-top: 2px; }
.alert-time { font-size: 10px; color: var(--text3); white-space: nowrap; }

/* ================================================================
   Core Web Vitals Grid
   ================================================================ */
.cwv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.cwv-item { background: var(--card2); border: 1px solid var(--border); border-radius: 4px; padding: 12px; text-align: center; }
.cwv-label { font-size: 9px; letter-spacing: .1em; text-transform: uppercase; color: var(--text3); margin-bottom: 6px; }
.cwv-val { font-size: 18px; font-weight: 700; }
.cwv-val.good { color: var(--green); }
.cwv-val.needs { color: var(--yellow); }
.cwv-val.poor { color: var(--red); }
.cwv-bench { font-size: 9px; color: var(--text3); margin-top: 3px; }

/* ================================================================
   Detail-Overlay (Slide-In Panel)
   ================================================================ */
.overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.7);
    z-index: 500;
    backdrop-filter: blur(4px);
}
.overlay.active { display: flex; align-items: flex-start; justify-content: flex-end; }
.overlay-panel {
    width: 560px;
    height: 100vh;
    background: var(--bg2);
    border-left: 1px solid var(--border);
    overflow-y: auto;
    animation: slideIn .2s ease;
}
@keyframes slideIn { from { transform: translateX(40px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.overlay-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg2);
    z-index: 10;
}
.overlay-title { font-size: 13px; font-weight: 600; color: var(--text); }
.overlay-close {
    background: none;
    border: 1px solid var(--border2);
    color: var(--text2);
    font-family: var(--mono);
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 2px;
    cursor: pointer;
}
.overlay-close:hover { color: var(--text); }
.overlay-body { padding: 20px; }
.o-section { margin-bottom: 24px; }
.o-section-title {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--text3);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.o-section-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ================================================================
   SSL-Panel (auch für HTTP-Check verwendet)
   ================================================================ */
.ssl-panel { background: var(--card); border: 1px solid var(--border); border-radius: 4px; padding: 14px; }
.ssl-row { display: flex; justify-content: space-between; align-items: center; padding: 5px 0; border-bottom: 1px solid var(--border); font-size: 11px; }
.ssl-row:last-child { border-bottom: none; }
.ssl-key { color: var(--text3); }
.ssl-val { color: var(--text); font-weight: 500; }

/* ================================================================
   Local SEO — Keyword-Karten
   ================================================================ */
.kw-card { background: var(--card); border: 1px solid var(--border); border-radius: 4px; padding: 14px; margin-bottom: 8px; }
.kw-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.kw-term { font-size: 13px; font-weight: 600; color: var(--text); }
.kw-pos { font-size: 20px; font-weight: 700; color: var(--green); }
.kw-pos.mid { color: var(--yellow); }
.kw-pos.low { color: var(--red); }
.kw-meta { display: flex; gap: 16px; font-size: 10px; color: var(--text3); }
.kw-delta { font-size: 10px; padding: 1px 6px; border-radius: 2px; }
.kw-delta.up { background: var(--gbg); color: var(--green); }
.kw-delta.down { background: var(--rbg); color: var(--red); }
.local-pack-badge {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    background: rgba(234,179,8,.12);
    color: var(--yellow);
    border: 1px solid rgba(234,179,8,.25);
    padding: 2px 8px;
    border-radius: 2px;
}

/* ================================================================
   Toast-Benachrichtigungen
   ================================================================ */
.toast-wrap { position: fixed; bottom: 24px; right: 24px; z-index: 999; display: flex; flex-direction: column; gap: 8px; }
.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--card2);
    border: 1px solid var(--border2);
    border-radius: 4px;
    padding: 10px 14px;
    font-size: 12px;
    color: var(--text);
    animation: toastIn .2s ease;
    box-shadow: 0 8px 32px rgba(0,0,0,.4);
}
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.toast-icon { font-size: 14px; }

/* ================================================================
   Utility-Klassen
   ================================================================ */
.tag {
    display: inline-block;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 2px 7px;
    border-radius: 2px;
    border: 1px solid;
}
.tag.green { background: var(--gbg); color: var(--green); border-color: rgba(34,197,94,.2); }
.tag.red { background: var(--rbg); color: var(--red); border-color: rgba(239,68,68,.2); }
.tag.yellow { background: var(--ybg); color: var(--yellow); border-color: rgba(234,179,8,.2); }
.tag.blue { background: var(--bbg); color: var(--blue); border-color: rgba(96,165,250,.2); }
.divider { height: 1px; background: var(--border); margin: 16px 0; }
.empty { text-align: center; padding: 32px; color: var(--text3); font-size: 11px; }
.row { display: flex; gap: 8px; align-items: center; }
.ml-auto { margin-left: auto; }

/* ================================================================
   Formular-Elemente (global)
   ================================================================ */
.form-label {
    display: block;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--text3);
    margin-bottom: 6px;
}
.form-input {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border2);
    color: var(--text);
    font-family: var(--mono);
    font-size: 12px;
    padding: 10px 12px;
    border-radius: 2px;
    margin-bottom: 16px;
    outline: none;
    transition: border-color .15s;
}
.form-input:focus { border-color: var(--green); }
.form-input::placeholder { color: var(--text3); }

/* Select-Felder */
.form-select {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border2);
    color: var(--text);
    font-family: var(--mono);
    font-size: 12px;
    padding: 10px 12px;
    border-radius: 2px;
    margin-bottom: 16px;
    outline: none;
    appearance: none;
    cursor: pointer;
}
.form-select:focus { border-color: var(--green); }

/* Radio- und Checkbox-Gruppen */
.form-radio-group {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
}
.form-radio-label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text2);
    font-size: 12px;
    cursor: pointer;
    transition: color .15s;
}
.form-radio-label:hover { color: var(--text); }
.form-radio-label input[type="radio"],
.form-radio-label input[type="checkbox"] {
    accent-color: var(--green);
    cursor: pointer;
}

/* Checkbox-Label (einzeln) */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text2);
    font-size: 12px;
    margin-bottom: 16px;
    cursor: pointer;
}
.form-check:hover { color: var(--text); }
.form-check input { accent-color: var(--green); cursor: pointer; }

/* Domain-Checkboxen-Container */
.domain-checkbox-list {
    max-height: 220px;
    overflow-y: auto;
    background: var(--bg);
    border: 1px solid var(--border2);
    border-radius: 2px;
    padding: 8px 12px;
    margin-bottom: 16px;
}
.domain-checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text2);
    font-size: 12px;
    cursor: pointer;
}
.domain-checkbox-item:last-child { border-bottom: none; }
.domain-checkbox-item:hover { color: var(--text); }
.domain-checkbox-item input { accent-color: var(--green); cursor: pointer; }
.domain-checkbox-url { color: var(--text3); font-size: 10px; margin-left: auto; }

/* Button-Leiste */
.form-actions { display: flex; gap: 8px; margin-top: 4px; }

/* Danger-Button */
.tb-btn.danger { border-color: rgba(239,68,68,.3); color: var(--red); }
.tb-btn.danger:hover { background: var(--rbg); }

/* Flash-Nachricht */
.flash-msg {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 12px;
    border: 1px solid var(--border);
}
.flash-msg.success { background: var(--gbg); border-color: rgba(34,197,94,.2); color: var(--green); }
.flash-msg.danger { background: var(--rbg); border-color: rgba(239,68,68,.2); color: var(--red); }
.flash-msg.warning { background: var(--ybg); border-color: rgba(234,179,8,.2); color: var(--yellow); }
.flash-msg.info { background: var(--bbg); border-color: rgba(96,165,250,.2); color: var(--blue); }