/* ═══════════════════════════════════════════════════════════
   SENTINEL-ETHIC — Design System CSS
   "Cyber-Resilient" Aesthetic
   Based on Stitch Design System Specification
   ═══════════════════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* ── CSS Custom Properties (Design Tokens) ── */
:root {
    /* Surfaces */
    --surface: #111318;
    --surface-dim: #111318;
    --surface-bright: #37393e;
    --surface-container-lowest: #0c0e12;
    --surface-container-low: #1a1c20;
    --surface-container: #1e2024;
    --surface-container-high: #282a2e;
    --surface-container-highest: #333539;
    --on-surface: #e2e2e8;
    --on-surface-variant: #b9cacb;
    --inverse-surface: #e2e2e8;
    --inverse-on-surface: #2f3035;
    --outline: #849495;
    --outline-variant: #3b494b;
    --surface-tint: #00dbe9;

    /* Primary — Electric Cyan (active scanning, secure states) */
    --primary: #dbfcff;
    --on-primary: #00363a;
    --primary-container: #00f0ff;
    --on-primary-container: #006970;
    --inverse-primary: #006970;
    --primary-fixed: #7df4ff;
    --primary-fixed-dim: #00dbe9;
    --on-primary-fixed: #002022;
    --on-primary-fixed-variant: #004f54;

    /* Secondary — Cautionary Amber (warnings, medium risk) */
    --secondary: #ffdb9d;
    --on-secondary: #412d00;
    --secondary-container: #feb700;
    --on-secondary-container: #6b4b00;
    --secondary-fixed: #ffdea8;
    --secondary-fixed-dim: #ffba20;
    --on-secondary-fixed: #271900;
    --on-secondary-fixed-variant: #5e4200;

    /* Tertiary — Urgent Crimson (critical breaches, blocked attacks) */
    --tertiary: #fff4f3;
    --on-tertiary: #680012;
    --tertiary-container: #ffcecc;
    --on-tertiary-container: #c0002b;
    --tertiary-fixed: #ffdad8;
    --tertiary-fixed-dim: #ffb3b2;
    --on-tertiary-fixed: #410008;
    --on-tertiary-fixed-variant: #92001e;

    /* Error */
    --error: #ffb4ab;
    --on-error: #690005;
    --error-container: #93000a;
    --on-error-container: #ffdad6;

    /* Background */
    --background: #0A0C10;
    --on-background: #e2e2e8;

    /* Semantic Colors */
    --cyan: #00dbe9;
    --cyan-glow: rgba(0, 219, 233, 0.15);
    --cyan-soft: rgba(0, 219, 233, 0.08);
    --amber: #feb700;
    --amber-glow: rgba(254, 183, 0, 0.15);
    --crimson: #ff4444;
    --crimson-glow: rgba(255, 68, 68, 0.15);
    --green: #00e676;
    --green-glow: rgba(0, 230, 118, 0.15);

    /* Glassmorphism */
    --glass-bg: rgba(15, 18, 24, 0.7);
    --glass-border: rgba(0, 219, 233, 0.12);
    --glass-blur: 20px;
    --glass-hover: rgba(0, 219, 233, 0.06);

    /* Spacing (4px baseline) */
    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 20px;
    --sp-6: 24px;
    --sp-8: 32px;
    --sp-10: 40px;
    --sp-12: 48px;
    --sp-16: 64px;
    --sp-20: 80px;

    /* Layout */
    --sidebar-width: 240px;
    --topbar-height: 56px;
    --container-max: 1440px;
    --gutter: 24px;
    --margin-desktop: 40px;
    --margin-mobile: 16px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ── Reset & Base ── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--on-surface);
    background-color: var(--background);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Subtle grid background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 219, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 219, 233, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

a {
    color: var(--cyan);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

a:hover {
    opacity: 0.8;
}

::selection {
    background: var(--cyan);
    color: var(--background);
}

/* ── Typography ── */
.headline-xl {
    font-family: 'Inter', sans-serif;
    font-size: 40px;
    font-weight: 700;
    line-height: 48px;
    letter-spacing: -0.02em;
}

.headline-lg {
    font-family: 'Inter', sans-serif;
    font-size: 32px;
    font-weight: 600;
    line-height: 40px;
    letter-spacing: -0.01em;
}

.headline-md {
    font-family: 'Inter', sans-serif;
    font-size: 24px;
    font-weight: 600;
    line-height: 32px;
}

.body-md {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
}

.body-sm {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 20px;
}

.data-code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
}

.label-caps {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 700;
    line-height: 16px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.label-sm {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    line-height: 14px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ── Glass Panels ── */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-panel:hover {
    border-color: rgba(0, 219, 233, 0.25);
    box-shadow: 0 0 20px rgba(0, 219, 233, 0.05);
}

.glass-panel-elevated {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid rgba(0, 219, 233, 0.2);
    box-shadow: inset 0 0 30px rgba(0, 219, 233, 0.03);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-6);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--cyan);
    color: var(--background);
}

.btn-primary:hover {
    background: #00f0ff;
    box-shadow: 0 0 20px rgba(0, 219, 233, 0.4);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-ghost {
    background: transparent;
    color: var(--cyan);
    border: 1px solid var(--cyan);
}

.btn-ghost:hover {
    background: var(--cyan-soft);
    box-shadow: 0 0 15px rgba(0, 219, 233, 0.15);
}

.btn-danger {
    background: var(--crimson);
    color: #fff;
}

.btn-danger:hover {
    box-shadow: 0 0 20px rgba(255, 68, 68, 0.4);
}

.btn-lg {
    padding: var(--sp-4) var(--sp-8);
    font-size: 14px;
}

.btn-sm {
    padding: var(--sp-2) var(--sp-4);
    font-size: 11px;
}

.btn-full {
    width: 100%;
}

/* ── Input Fields ── */
.input-field {
    width: 100%;
    padding: var(--sp-3) var(--sp-4);
    background: var(--surface-container-lowest);
    border: none;
    border-bottom: 2px solid var(--outline-variant);
    color: var(--on-surface);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.input-field::placeholder {
    color: var(--outline);
    font-size: 14px;
}

.input-field:focus {
    border-bottom-color: var(--cyan);
    box-shadow: 0 2px 8px rgba(0, 219, 233, 0.15);
}

.input-group {
    position: relative;
    margin-bottom: var(--sp-6);
}

.input-group label {
    display: block;
    margin-bottom: var(--sp-2);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--on-surface-variant);
}

/* ── Status Chips ── */
.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-1) var(--sp-3);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.chip-critical {
    background: var(--crimson-glow);
    color: var(--crimson);
}

.chip-critical::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--crimson);
    box-shadow: 0 0 6px var(--crimson);
    animation: pulse-led 2s infinite;
}

.chip-warning {
    background: var(--amber-glow);
    color: var(--amber);
}

.chip-warning::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 6px var(--amber);
}

.chip-secure {
    background: var(--green-glow);
    color: var(--green);
}

.chip-secure::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
}

.chip-info {
    background: var(--cyan-glow);
    color: var(--cyan);
}

.chip-info::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 6px var(--cyan);
}

/* ── Data Table ── */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead th {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--on-surface-variant);
    padding: var(--sp-3) var(--sp-4);
    text-align: left;
    border-bottom: 1px solid var(--outline-variant);
}

.data-table tbody td {
    padding: var(--sp-3) var(--sp-4);
    font-size: 14px;
    border-bottom: 1px solid rgba(59, 73, 75, 0.3);
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover td {
    background: var(--glass-hover);
}

/* ── Score Badge ── */
.score-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 28px;
    padding: 0 var(--sp-2);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 700;
    border: 1px solid;
}

.score-critical {
    color: var(--crimson);
    border-color: var(--crimson);
    background: var(--crimson-glow);
}

.score-high {
    color: #ff8a65;
    border-color: #ff8a65;
    background: rgba(255, 138, 101, 0.1);
}

.score-medium {
    color: var(--amber);
    border-color: var(--amber);
    background: var(--amber-glow);
}

.score-low {
    color: var(--cyan);
    border-color: var(--cyan);
    background: var(--cyan-glow);
}

/* ── Keyframes ── */
@keyframes pulse-led {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes scan-line {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100vh); }
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 8px rgba(0, 219, 233, 0.3); }
    50% { box-shadow: 0 0 20px rgba(0, 219, 233, 0.6); }
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slide-in-left {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes type-in {
    from { width: 0; }
    to { width: 100%; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--surface-container-lowest);
}

::-webkit-scrollbar-thumb {
    background: var(--outline-variant);
}

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

/* ── Utility Classes ── */
.text-cyan { color: var(--cyan); }
.text-amber { color: var(--amber); }
.text-crimson { color: var(--crimson); }
.text-green { color: var(--green); }
.text-muted { color: var(--on-surface-variant); }
.text-center { text-align: center; }

.mt-1 { margin-top: var(--sp-1); }
.mt-2 { margin-top: var(--sp-2); }
.mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); }
.mt-8 { margin-top: var(--sp-8); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-6 { margin-bottom: var(--sp-6); }
.gap-2 { gap: var(--sp-2); }
.gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.flex-wrap { flex-wrap: wrap; }