/*
   CSP VALIDATOR - EXPERT WEB TOOLS
*/

@font-face { font-family: 'Inter';       src: url('/fonts/inter-v20-latin-regular.woff2') format('woff2');      font-weight: 400; font-display: swap; }
@font-face { font-family: 'Orbitron';    src: url('/fonts/orbitron-v35-latin-700.woff2') format('woff2');       font-weight: 700; font-display: swap; }
@font-face { font-family: 'Roboto Mono'; src: url('/fonts/roboto-mono-v31-latin-regular.woff2') format('woff2'); font-weight: 400; font-display: swap; }

:root {
    --bg-dark:           #0a0a0f;
    --primary-accent:    #3b82f6;
    --secondary-accent:  #8b5cf6;
    --text-main:         #ffffff;
    --text-muted:        #94a3b8;
    --card-bg:           rgba(25, 25, 35, 0.6);
    --card-border:       rgba(255, 255, 255, 0.08);
    --input-bg:          rgba(255, 255, 255, 0.05);
    --code-text:         #a5f3fc;
    --comp-bg:           rgba(255, 255, 255, 0.03);

    --score-green:  #10b981;
    --score-yellow: #eab308;
    --score-orange: #f97316;
    --score-red:    #ef4444;
    --score-na:     #6b7280;

    --font-heading: 'Orbitron',    sans-serif;
    --font-body:    'Inter',       sans-serif;
    --font-code:    'Roboto Mono', monospace;

    --transition-ui: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Overrides (Synchronized Architecture) */
html.light-theme {
    --bg-dark:           #f8fafc;
    --text-main:         #0f172a;
    --text-muted:        #475569;
    --card-bg:           rgba(255, 255, 255, 0.85);
    --card-border:       rgba(0, 0, 0, 0.1);
    --input-bg:          rgba(255, 255, 255, 1);
    --code-text:         #0369a1;
    --comp-bg:           rgba(0, 0, 0, 0.03);
    
    --score-green:  #059669; /* Darker for light mode contrast */
    --score-yellow: #b45309; 
    --score-orange: #c2410c;
    --score-red:    #b91c1c;
}

html.light-theme .background-glow {
    background: radial-gradient(circle at center, rgba(139,92,246,0.15) 0%, rgba(248,250,252,0) 50%);
}

html.light-theme .input-group input,
html.light-theme .input-group textarea,
html.light-theme .header-row input {
    color: #0f172a;
    border-color: #cbd5e1;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
}

html.light-theme .icon-btn, html.light-theme .cfg-btn, html.light-theme .secondary-btn, html.light-theme .icon-btn-small {
    color: #475569;
    border-color: #cbd5e1;
}

html.light-theme .icon-btn:hover, html.light-theme .cfg-btn:hover, html.light-theme .icon-btn-small:hover {
    color: var(--primary-accent);
}

html.light-theme .config-display {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

html.light-theme .config-display code {
    color: #0f172a;
}

html.light-theme .copy-cfg-btn {
    background: #e2e8f0;
    color: #334155;
}

html.light-theme .copy-cfg-btn:hover {
    background: var(--secondary-accent);
    color: #fff;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; max-width: 100vw; overflow-x: hidden; }

/* STRICT CHROMIUM BUG FIX: transition background-color only */
html, body { 
    background-color: var(--bg-dark); 
    transition: background-color 0.2s ease; 
}

body {
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

:focus-visible {
    outline: 2px solid var(--primary-accent);
    outline-offset: 3px;
    border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

.background-glow {
    position: fixed; top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle at center, rgba(139,92,246,0.08) 0%, rgba(10,10,15,0) 50%);
    z-index: -1; pointer-events: none;
}

/* ── Header ── */
.tool-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.5rem 5%; max-width: 1400px; margin: 0 auto; width: 100%;
}
.back-btn {
    color: var(--text-muted); text-decoration: none;
    display: flex; align-items: center; gap: 8px;
    transition: color var(--transition-ui);
}
.back-btn:hover { color: var(--primary-accent); }
.logo { font-family: var(--font-heading); font-size: 1.2rem; }
.logo span { color: var(--secondary-accent); }

/* Sync'd Theme Toggle Button */
.theme-toggle-btn { 
    background: var(--input-bg); border: 1px solid var(--card-border); 
    color: var(--text-main); width: 36px; height: 36px; border-radius: 8px; 
    cursor: pointer; display: flex; align-items: center; justify-content: center; 
    transition: all 0.2s ease; margin-right: 10px;
}
.theme-toggle-btn:hover { border-color: var(--primary-accent); color: var(--primary-accent); }

/* ── Main ── */
.main-content {
    flex-grow: 1; padding: 2rem 5%;
    max-width: 900px; margin: 0 auto; width: 100%;
}
.tool-intro { text-align: center; margin-bottom: 2rem; }
.tool-intro h1 {
    font-family: var(--font-heading); margin-bottom: 0.5rem;
    font-size: clamp(1.4rem, 4vw, 2rem);
}
.tool-intro p { color: var(--text-muted); }
.tool-intro .h1-ampersand { font-family: var(--font-body); font-weight: 300; }

/* ── Cards ── */
.card {
    background: var(--card-bg); border: 1px solid var(--card-border);
    border-radius: 16px; padding: 1.5rem; backdrop-filter: blur(10px); width: 100%;
}
.card-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 1rem; flex-wrap: wrap; gap: 10px;
}
.card h2 {
    font-family: var(--font-heading); font-size: 1.1rem;
    color: var(--text-muted); display: flex; align-items: center; gap: 10px; margin: 0;
}
.card h2 i { color: var(--primary-accent); }
.engine-badge {
    background: rgba(59,130,246,0.15); color: #93c5fd;
    padding: 4px 12px; border-radius: 6px; font-size: 0.8rem; font-weight: bold;
    border: 1px solid rgba(59,130,246,0.3); font-family: var(--font-code);
}

/* ── Tabs ── */
.tabs-nav {
    display: flex; gap: 10px; margin-bottom: 1rem;
    border-bottom: 1px solid var(--card-border); padding-bottom: 10px;
}
.tab-btn {
    flex: 1; background: transparent; border: 1px solid transparent;
    color: var(--text-muted); padding: 10px; border-radius: 8px;
    cursor: pointer; font-family: var(--font-heading); font-size: 0.95rem;
    transition: background var(--transition-ui), color var(--transition-ui), border-color var(--transition-ui);
    display: flex; align-items: center; justify-content: center; gap: 8px;
}
.tab-btn:hover { background: rgba(139,92,246,0.05); }
.tab-btn.active {
    background: rgba(59,130,246,0.15); color: var(--primary-accent);
    border: 1px solid rgba(59,130,246,0.3);
}

/* ── Inputs ── */
.input-group input,
.input-group textarea {
    width: 100%; background: var(--input-bg); border: 1px solid var(--card-border);
    border-radius: 8px; padding: 14px; color: var(--text-main);
    font-family: var(--font-body); font-size: 1rem; outline: none;
    transition: border-color var(--transition-ui);
}
.input-group textarea {
    font-family: var(--font-code); font-size: 0.9rem;
    min-height: 120px; resize: vertical; line-height: 1.5;
}
.input-group input:focus,
.input-group textarea:focus { border-color: var(--primary-accent); }

/* ── Advanced Headers ── */
.advanced-controls {
    background: rgba(0,0,0,0.05); border-radius: 8px;
    padding: 10px; border: 1px solid var(--card-border);
}
.toggle-btn {
    width: 100%; background: transparent; border: none;
    color: var(--text-muted); cursor: pointer; font-size: 0.95rem;
    display: flex; justify-content: space-between; align-items: center;
    padding: 5px; font-weight: 600; transition: color var(--transition-ui);
}
.toggle-btn:hover { color: var(--primary-accent); }
.arrow-icon { transition: transform var(--transition-ui); }
.advanced-container.open .arrow-icon { transform: rotate(180deg); }
.helper-text { font-size: 0.85rem; color: var(--text-muted); margin-top: 10px; margin-bottom: 15px; }
.headers-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 10px; }

/* Zero-Horizontal-Scroll Hardening */
.header-row { display: grid; grid-template-columns: 1fr 1fr auto; gap: 8px; align-items: center; min-width: 0; }
.header-row input { min-width: 0; background: var(--input-bg); border: 1px solid var(--card-border); padding: 10px; border-radius: 6px; color: var(--text-main); font-size: 0.9rem; font-family: var(--font-code); width: 100%; }
.header-row input:focus { border-color: var(--secondary-accent); outline: none; }

.del-btn {
    background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
    color: #f87171; width: 38px; height: 38px; border-radius: 6px;
    cursor: pointer; transition: background var(--transition-ui), color var(--transition-ui);
    display: flex; align-items: center; justify-content: center;
}
.del-btn:hover { background: #ef4444; color: #fff; }
.secondary-btn {
    background: transparent; border: 1px dashed var(--text-muted);
    color: var(--text-muted); padding: 8px 15px; border-radius: 6px;
    cursor: pointer; font-size: 0.9rem;
    transition: border-color var(--transition-ui), color var(--transition-ui);
}
.secondary-btn:hover { border-color: var(--primary-accent); color: var(--primary-accent); }

.primary-btn {
    width: 100%; background: #2563eb; color: #ffffff;
    border: none; padding: 14px; border-radius: 8px;
    font-weight: 700; cursor: pointer; font-size: 1rem;
    transition: background var(--transition-ui);
    display: flex; justify-content: center; align-items: center; gap: 8px;
}
.primary-btn:hover:not(:disabled) { background: #1d4ed8; }
.primary-btn:disabled { background: #4b5563; cursor: not-allowed; opacity: 0.7; }

/* ── History ── */
.history-wrapper {
    margin-top: 1rem; background: rgba(0,0,0,0.05);
    border: 1px solid var(--card-border); border-radius: 12px; padding: 1rem;
}
.history-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.history-header h3 { font-size: 0.9rem; font-family: var(--font-heading); color: var(--text-muted); }
.icon-btn-small {
    background: transparent; border: none; color: var(--text-muted);
    cursor: pointer; transition: color var(--transition-ui);
}
.icon-btn-small:hover { color: #ef4444; }
.history-list {
    display: flex; flex-direction: column; gap: 8px;
    max-height: 150px; overflow-y: auto; padding-right: 5px;
}
.history-item {
    display: flex; justify-content: space-between; align-items: center;
    background: var(--comp-bg); padding: 8px 12px; border-radius: 6px;
    cursor: pointer; border: 1px solid transparent;
    transition: border-color var(--transition-ui), background var(--transition-ui);
    font-size: 0.85rem;
}
.history-item:hover { border-color: var(--card-border); }

/* Zero-scroll constraint */
.h-target {
    color: var(--text-main); white-space: nowrap; overflow: hidden;
    text-overflow: ellipsis; max-width: 70%; font-family: var(--font-code); min-width: 0;
}
.h-score { font-weight: bold; font-family: var(--font-heading); }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.05); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: rgba(139,92,246,0.3); border-radius: 4px; }

/* ── Output Card ── */
.output-card {
    background: var(--card-bg); border: 1px solid var(--card-border);
    border-radius: 16px; padding: 1.5rem; backdrop-filter: blur(10px);
}
.result-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: 1.5rem; flex-wrap: wrap; gap: 15px;
    padding-bottom: 15px; border-bottom: 1px solid var(--card-border);
}
.result-title h2 { color: var(--text-main); margin-bottom: 5px; font-size: 1.2rem; display: flex; align-items: center; gap: 8px; }
.result-subtitle { font-size: 0.9rem; color: var(--text-muted); }

/* Score badge */
.score-badge {
    font-family: var(--font-heading);
    font-size: clamp(1.1rem, 4vw, 2rem);
    font-weight: 700;
    width: 64px; height: 64px;
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.badge-green  { background: rgba(16,185,129,0.15); color: var(--score-green);  border: 2px solid var(--score-green); }
.badge-yellow { background: rgba(234,179,8,0.15);   color: var(--score-yellow); border: 2px solid var(--score-yellow); }
.badge-orange { background: rgba(249,115,22,0.15);  color: var(--score-orange); border: 2px solid var(--score-orange); }
.badge-red    { background: rgba(239,68,68,0.15);   color: var(--score-red);    border: 2px solid var(--score-red); }
.badge-NA     { background: rgba(107,114,128,0.15); color: var(--score-na);     border: 2px solid var(--score-na); font-size: 1.2rem; }

/* ── CSP Display ── */
.csp-display-wrapper {
    background: rgba(0,0,0,0.05); border: 1px solid var(--card-border);
    border-radius: 8px; padding: 15px;
}
.output-header-mini { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.output-header-mini span {
    font-size: 0.85rem; color: var(--secondary-accent);
    font-weight: bold; text-transform: uppercase; letter-spacing: 1px;
}

/* Zero-scroll constraint */
.regex-display code {
    font-family: var(--font-code); color: var(--code-text); font-size: 0.9rem;
    line-height: 1.6; word-break: break-all; overflow-wrap: anywhere;
    display: block; white-space: pre-wrap;
}

.icon-btn {
    background: transparent; border: 1px solid var(--card-border);
    color: var(--text-main); padding: 4px 10px; border-radius: 6px;
    cursor: pointer; font-size: 0.8rem; font-family: var(--font-body);
    display: flex; align-items: center; gap: 5px;
    transition: color var(--transition-ui), border-color var(--transition-ui), background var(--transition-ui);
}
.icon-btn:hover { color: var(--primary-accent); border-color: var(--primary-accent); background: rgba(59,130,246,0.1); }

/* ── Export Configs ── */
.export-configs {
    background: rgba(0,0,0,0.05); border-radius: 8px;
    padding: 15px; border: 1px solid var(--card-border);
}
.config-tabs { display: flex; gap: 5px; margin-bottom: 10px; flex-wrap: wrap; }
.cfg-btn {
    background: transparent; border: 1px solid transparent;
    color: var(--text-muted); padding: 6px 12px; border-radius: 6px;
    cursor: pointer; font-size: 0.8rem;
    transition: color var(--transition-ui), background var(--transition-ui), border-color var(--transition-ui);
}
.cfg-btn:hover { color: var(--text-main); }
.cfg-btn.active { background: rgba(139,92,246,0.15); color: var(--secondary-accent); border-color: rgba(139,92,246,0.3); }
.config-display {
    position: relative; background: #000; padding: 12px;
    border-radius: 6px; border: 1px solid var(--card-border);
}
.config-display code {
    font-family: var(--font-code); font-size: 0.85rem; color: #fff;
    word-break: break-all; overflow-wrap: anywhere; white-space: pre-wrap;
}
.copy-cfg-btn {
    position: absolute; top: 10px; right: 10px;
    background: rgba(255,255,255,0.1); border: none; color: #fff;
    padding: 6px; border-radius: 4px; cursor: pointer;
    transition: background var(--transition-ui);
}
.copy-cfg-btn:hover { background: var(--secondary-accent); }

/* ── Compliance Dashboard ── */
.compliance-dashboard {
    background: rgba(0,0,0,0.05); border-radius: 8px;
    padding: 15px; border: 1px solid var(--card-border);
}
.compliance-dashboard h3 {
    font-size: 1rem; margin-bottom: 12px;
    display: flex; align-items: center; gap: 8px;
    font-family: var(--font-heading); color: var(--text-main);
}
.compliance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 10px;
}
.comp-item {
    display: flex; align-items: center; gap: 10px; font-size: 0.9rem;
    padding: 10px; background: var(--comp-bg); border-radius: 6px;
    border: 1px solid var(--card-border); font-family: var(--font-body);
}
.comp-item i { font-size: 1.1rem; flex-shrink: 0; }
.comp-pass { color: var(--score-green);  border-color: rgba(16,185,129,0.3); background: rgba(16,185,129,0.05); }
.comp-fail { color: var(--score-red);    border-color: rgba(239,68,68,0.3);  background: rgba(239,68,68,0.05);  }
.comp-na   { color: var(--score-na);     opacity: 0.7; }

/* ── AI Analysis Section ── */
.ai-analysis-section {
    background: rgba(0,0,0,0.05); border-radius: 8px;
    padding: 15px; border: 1px solid var(--card-border);
}
.ai-section-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 12px; flex-wrap: wrap; gap: 8px;
}
.ai-section-header h3 {
    font-size: 1rem; font-family: var(--font-heading); color: var(--text-main);
    display: flex; align-items: center; gap: 8px;
}
.ai-status {
    font-size: 0.8rem; color: var(--text-muted);
    font-family: var(--font-code); font-style: italic;
}

/* ── Analysis Grid ── */
.analysis-grid { display: grid; grid-template-columns: 1fr; gap: 15px; }
.analysis-box {
    padding: 15px; border-radius: 8px;
    border: 1px solid var(--card-border);
    background: var(--comp-bg);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.analysis-box h3 {
    font-size: 1rem; margin-bottom: 12px;
    display: flex; align-items: center; gap: 8px; font-family: var(--font-heading);
}
.vuln-box { border-top: 2px solid rgba(239,68,68,0.5); }
.vuln-box h3  { color: var(--score-red); }
.opt-box  { border-top: 2px solid rgba(59,130,246,0.5); }
.opt-box h3   { color: var(--primary-accent); }
.perf-box { border-top: 2px solid rgba(139,92,246,0.5); }
.perf-box h3  { color: var(--secondary-accent); }

.analysis-box ul { list-style: none; padding-left: 5px; }
.analysis-box li {
    position: relative; padding-left: 20px; font-size: 0.95rem;
    color: var(--text-main); margin-bottom: 8px; line-height: 1.5;
}
.analysis-box li::before { content: "•"; position: absolute; left: 0; color: var(--text-muted); font-weight: bold; }

/* ── Utilities ── */
.error-msg {
    margin-top: 1rem; padding: 12px;
    background: rgba(239,68,68,0.1); color: var(--score-red);
    border-radius: 6px; font-size: 0.95rem; line-height: 1.5;
    border: 1px solid rgba(239,68,68,0.3);
}
.toast {
    display: block;
    position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
    background: #1e1e24; border: 1px solid var(--primary-accent);
    color: #fff; padding: 10px 20px; border-radius: 8px;
    z-index: 2000; box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    transition: opacity var(--transition-ui);
    font-size: 0.9rem; pointer-events: none;
}
.hidden { display: none !important; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 1.5rem; }

/* ── Info / FAQ Section ── */
.info-section { margin-top: 4rem; padding: 0 1rem; width: 100%; }
.info-section h2 {
    font-family: var(--font-heading); color: var(--text-main);
    margin-bottom: 2rem; font-size: 1.5rem; text-align: center;
}
.info-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem; margin-bottom: 2rem;
}
.info-grid h3 { color: var(--primary-accent); font-family: var(--font-heading); font-size: 1.1rem; margin-bottom: 0.5rem; }
.info-grid p  { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; }
.faq-container { margin-top: 2rem; }
.faq-container h3 { font-family: var(--font-heading); color: var(--text-main); margin: 1.5rem 0 1rem; }
.faq-container h4 { color: var(--primary-accent); font-size: 1rem; margin-bottom: 0.5rem; margin-top: 1.5rem; }
.faq-container p  { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 1rem; line-height: 1.6; }

.faq-container a,
.info-section a {
    color: var(--primary-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(59, 130, 246, 0.4);
    transition: color var(--transition-ui), text-decoration-color var(--transition-ui);
}
.faq-container a:hover,
.info-section a:hover {
    color: #2563eb;
    text-decoration-color: #2563eb;
}

footer {
    text-align: center; padding: 3rem 0; color: var(--text-muted);
    font-size: 0.9rem; border-top: 1px solid var(--card-border); margin-top: 3rem;
}
footer a {
    color: var(--text-muted);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(148, 163, 184, 0.35);
    transition: color var(--transition-ui), text-decoration-color var(--transition-ui);
}
footer a:hover {
    color: var(--text-main);
    text-decoration-color: var(--text-main);
}

/* ── Responsive ── */
@media (max-width: 600px) {
    .header-row {
        grid-template-columns: 1fr; gap: 5px;
        background: var(--comp-bg); padding: 10px;
        border-radius: 8px; border: 1px solid var(--card-border);
    }
    .del-btn { width: 100%; margin-top: 5px; }
    .card { padding: 1.25rem; }
    .compliance-grid { grid-template-columns: 1fr 1fr; }
    .result-header { flex-direction: column; align-items: flex-start; }
    .score-badge { width: 50px; height: 50px; }
}

@media (max-width: 400px) {
    .compliance-grid { grid-template-columns: 1fr; }
    .tabs-nav { flex-direction: column; }
    .tab-btn { font-size: 0.85rem; }
}