/* 
   CDN & WAF RULE GENERATOR - EXPERT WEB TOOLS
   Theme: 2026 Glassmorphism (Mobile Anti-Scroll & GUI Builder)
*/

@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(0, 0, 0, 0.3);
    
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-code: 'Roboto Mono', monospace;
}

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

/* CRITICAL MOBILE FIX: Lock overflow to prevent horizontal stretching */
html, body {
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.background-glow {
    position: fixed; top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle at center, rgba(59, 130, 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 0.3s; }
.back-btn:hover { color: var(--primary-accent); }
.logo { font-family: var(--font-heading); font-size: 1.2rem; }
.logo span { color: var(--primary-accent); }

/* --- Main Layout --- */
.main-content { flex-grow: 1; padding: 2rem 5%; max-width: 1200px; margin: 0 auto; width: 100%; }

.tool-intro { text-align: center; margin-bottom: 2rem; }
.tool-intro h1 { font-family: var(--font-heading); font-size: 2rem; margin-bottom: 0.5rem; }
.tool-intro p { color: var(--text-muted); }

.tool-layout { display: grid; grid-template-columns: 240px 1fr; gap: 2rem; align-items: start; width: 100%; }

/* Sidebar Navigation */
.sidebar { display: flex; flex-direction: column; gap: 1rem; width: 100%; }
.nav-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; padding-left: 10px; }
.nav-grid { display: flex; flex-direction: column; gap: 5px; }

.nav-btn {
    background: transparent; border: 1px solid transparent; color: var(--text-muted);
    padding: 12px 15px; border-radius: 8px; cursor: pointer; text-align: left;
    font-size: 0.95rem; transition: all 0.2s; display: flex; align-items: center; gap: 10px;
}
.nav-btn:hover { background: rgba(255,255,255,0.05); color: #fff; }
.nav-btn.active {
    background: rgba(59, 130, 246, 0.1); border-color: rgba(59, 130, 246, 0.3);
    color: var(--primary-accent); font-weight: 600;
}
.nav-btn i { width: 24px; text-align: center; font-size: 1.1rem;}

/* Builder Area */
.builder-display { display: flex; flex-direction: column; gap: 1.5rem; min-width: 0; }
.card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px; padding: 1.5rem; backdrop-filter: blur(10px); width: 100%; }

.builder-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 15px; border-bottom: 1px solid var(--card-border); padding-bottom: 1rem; }
.builder-header h2 { font-family: var(--font-heading); font-size: 1.2rem; display: flex; align-items: center; gap: 8px; margin: 0; }
.builder-header i { color: var(--secondary-accent); }

.goal-wrapper { display: flex; align-items: center; gap: 10px; background: rgba(0,0,0,0.3); padding: 5px 15px; border-radius: 8px;}
.goal-wrapper label { font-size: 0.9rem; color: var(--text-muted); }
.goal-wrapper select { background: transparent; border: none; color: #fff; font-family: var(--font-body); font-weight: 600; outline: none; cursor: pointer;}
.goal-wrapper select option { background: var(--bg-dark); }

.redirect-options { background: rgba(59, 130, 246, 0.1); border: 1px solid rgba(59, 130, 246, 0.3); padding: 15px; border-radius: 8px; margin-bottom: 1.5rem; }
.redirect-options label { display: block; font-size: 0.9rem; color: #93c5fd; margin-bottom: 8px; }
.redirect-options input { width: 100%; background: var(--input-bg); border: 1px solid var(--card-border); color: #fff; padding: 10px; border-radius: 6px; outline: none; font-family: var(--font-code); }

/* Conditions Builder */
.conditions-container { background: rgba(0,0,0,0.2); border: 1px solid var(--card-border); border-radius: 12px; padding: 1.5rem; }
.conditions-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.conditions-header h3 { font-size: 1rem; color: var(--text-muted); margin: 0;}
.conditions-header select { background: var(--input-bg); border: 1px solid var(--card-border); color: #fff; padding: 6px 10px; border-radius: 6px; outline: none;}

.conditions-list { display: flex; flex-direction: column; gap: 10px; }
.condition-row { display: grid; grid-template-columns: 2fr 2fr 3fr auto; gap: 10px; align-items: center; background: rgba(255,255,255,0.02); padding: 10px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.05); }

.condition-row select, .condition-row input {
    width: 100%; background: var(--input-bg); border: 1px solid var(--card-border);
    color: #fff; padding: 10px; border-radius: 6px; font-size: 0.9rem; outline: none; font-family: var(--font-body);
}
.condition-row select option { background: var(--bg-dark); }
.condition-row input { font-family: var(--font-code); }
.condition-row input:focus, .condition-row select:focus { border-color: var(--primary-accent); }

/* Buttons */
.secondary-btn { background: rgba(255,255,255,0.05); border: 1px dashed var(--card-border); color: var(--text-main); padding: 10px 15px; border-radius: 8px; cursor: pointer; transition: 0.2s; font-size: 0.9rem; display: flex; align-items: center; gap: 8px; justify-content: center; width: 100%; }
.secondary-btn:hover { border-color: var(--primary-accent); color: var(--primary-accent); }

.icon-btn { background: transparent; border: none; color: var(--text-muted); cursor: pointer; padding: 8px; transition: color 0.2s; font-size: 1.1rem; }
.icon-btn:hover { color: #fff; }
.icon-btn.danger:hover { color: #ef4444; }

/* Output Area */
.output-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; border-bottom: 1px solid var(--card-border); padding-bottom: 10px; }
.output-header h2 { font-family: var(--font-heading); font-size: 1.1rem; display: flex; align-items: center; gap: 8px; margin: 0; color: #fff;}
.output-header i { color: #10b981; }

.code-output { background: #0d0d12; border: 1px solid var(--card-border); border-radius: 8px; padding: 1.5rem; font-family: var(--font-code); font-size: 0.95rem; color: #a7f3d0; overflow-x: auto; white-space: pre-wrap; word-break: break-all; min-height: 120px; line-height: 1.5; }

/* Utilities */
.hidden { display: none !important; opacity: 0; pointer-events: none; }
.mt-1 { margin-top: 1rem; }

.toast { 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 0.3s; font-size: 0.9rem; pointer-events: none;}

/* Info 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 i { margin-right: 8px; }
.info-grid p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; }
.info-grid code { background: rgba(0,0,0,0.3); padding: 2px 6px; border-radius: 4px; font-family: var(--font-code); color: #cbd5e1; }

.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(--secondary-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; }

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: #fff; text-decoration: none; }

/* Responsive */
@media (max-width: 900px) {
    .tool-layout { grid-template-columns: 1fr; gap: 1.5rem; }
    .nav-grid { display: flex; overflow-x: auto; gap: 10px; padding-bottom: 10px; }
    .nav-btn { flex: 0 0 auto; padding: 10px 16px; white-space: nowrap; }
    .nav-label { display: none; }
}

@media (max-width: 600px) {
    .tool-header, .main-content { padding: 1.5rem 1rem; }
    .card { padding: 1.25rem; }
    .condition-row { grid-template-columns: 1fr; gap: 8px; position: relative; padding: 15px; border-width: 2px; }
    .remove-cond-btn { position: absolute; top: -10px; right: -10px; background: var(--bg-dark); border: 1px solid var(--card-border); border-radius: 50%; padding: 5px; width: 30px; height: 30px; }
    .goal-wrapper { width: 100%; justify-content: space-between; }
}