/* ============================================================================
 * HackTheWorld v2 — Modern Dark Hacker Theme
 * Design: Glassmorphism + Neubrutalism + Terminal Aesthetic
 * ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-deep: #07070a;
    --bg-base: #0c0c14;
    --bg-surface: #111122;
    --bg-card: #161630;
    --bg-hover: #1e1e3a;
    --bg-input: #0a0a18;
    --glass: rgba(16,16,40,0.7);
    --glass-border: rgba(100,255,180,0.08);
    --glass-hover: rgba(100,255,180,0.04);
    --accent: #3dfc8e;
    --accent-glow: #3dfc8e55;
    --accent-dim: #1a8a4a;
    --accent-dark: #0f3d22;
    --cyan: #00e5ff;
    --cyan-glow: #00e5ff44;
    --magenta: #ff4088;
    --magenta-glow: #ff408844;
    --yellow: #ffb300;
    --yellow-glow: #ffb30044;
    --danger: #ff3355;
    --danger-glow: #ff335544;
    --success: #3dfc8e;
    --warning: #ffb300;
    --info: #00e5ff;
    --muted: #555577;
    --text: #d0d0e0;
    --text-dim: #7777aa;
    --heading: #e8e8f8;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow: 0 4px 16px rgba(0,0,0,0.3), 0 0 0 1px rgba(100,255,180,0.03);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 24px var(--accent-glow);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:14px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font-sans);background:var(--bg-deep);color:var(--text);min-height:100vh;line-height:1.6;background-image:radial-gradient(ellipse 80% 60% at 50% -10%, rgba(61,252,142,0.04) 0%, transparent 60%),radial-gradient(ellipse 60% 40% at 80% 80%, rgba(0,229,255,0.03) 0%, transparent 50%);background-attachment:fixed}
h1,h2,h3,h4{font-family:var(--font-sans);font-weight:700;color:var(--heading);letter-spacing:-0.01em}
h1{font-size:2rem;line-height:1.2}
h2{font-size:1.5rem;margin:1.5rem 0 0.75rem}
h3{font-size:1.15rem;margin:1rem 0 0.5rem}
h4{font-size:1rem}
a{color:var(--accent);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--cyan);text-shadow:0 0 12px var(--cyan-glow)}
#app{display:flex;flex-direction:column;min-height:100vh}

/* Topbar */
.topbar{position:sticky;top:0;z-index:100;background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);padding:0 1.5rem;height:56px;display:flex;align-items:center;gap:1.5rem}
.topbar-logo{font-family:var(--font-mono);font-size:1.15rem;font-weight:700;color:var(--accent);display:flex;align-items:center;gap:0.5rem;text-shadow:0 0 20px var(--accent-glow);white-space:nowrap}
.topbar-nav{display:flex;gap:0.15rem;flex:1;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none}
.topbar-nav::-webkit-scrollbar{display:none}
.topbar-nav a{padding:0.4rem 0.85rem;border-radius:var(--radius);font-size:0.82rem;font-weight:500;color:var(--text-dim);white-space:nowrap;transition:var(--transition);letter-spacing:0.02em}
.topbar-nav a:hover{color:var(--text);background:var(--bg-hover)}
.topbar-nav a.active{color:var(--accent);background:var(--accent-dark)}
.topbar-nav a.admin-link{color:var(--yellow)}
.topbar-user{display:flex;align-items:center;gap:1rem;font-size:0.82rem;white-space:nowrap}
.topbar-user .credits{color:var(--yellow);font-weight:600;font-family:var(--font-mono)}
.topbar-user .points{font-weight:600;font-family:var(--font-mono);color:var(--accent)}
.subnav{background:var(--bg-surface);border-bottom:1px solid var(--glass-border);padding:0.4rem 1.5rem;display:flex;gap:0.5rem;overflow-x:auto;font-size:0.78rem}
.subnav a,.subnav button{color:var(--text-dim);padding:0.3rem 0.8rem;border-radius:var(--radius-sm);border:none;background:transparent;cursor:pointer;font-family:var(--font-sans);font-size:0.78rem;white-space:nowrap;transition:var(--transition)}
.subnav a:hover,.subnav button:hover{color:var(--text);background:var(--bg-hover)}
.subnav a.active,.subnav button.active{color:var(--accent);background:var(--accent-dark)}

/* Main */
.main{flex:1;padding:1.5rem;max-width:1440px;margin:0 auto;width:100%}

/* Cards */
.card{background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:1.25rem 1.5rem;margin-bottom:1rem;transition:var(--transition);position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent-glow),transparent);opacity:0;transition:var(--transition-slow)}
.card:hover::before{opacity:0.6}
.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:0.75rem;border-bottom:1px solid var(--glass-border);font-weight:600;font-size:0.95rem;color:var(--heading)}
.card-accent{border-left:3px solid var(--accent);background:linear-gradient(90deg,var(--accent-dark) 0%,transparent 40%)}
.card-danger{border-left:3px solid var(--danger);background:linear-gradient(90deg,rgba(255,51,85,0.08) 0%,transparent 40%)}

/* Stats */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:0.75rem;margin-bottom:1.5rem}
.stat-card{background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius);padding:1rem 1.25rem;text-align:center;transition:var(--transition)}
.stat-card:hover{border-color:var(--accent-glow);transform:translateY(-1px)}
.stat-value{font-family:var(--font-mono);font-size:1.6rem;font-weight:700;color:var(--accent)}
.stat-value.yellow{color:var(--yellow)}
.stat-value.cyan{color:var(--cyan)}
.stat-value.magenta{color:var(--magenta)}
.stat-value.danger{color:var(--danger)}
.stat-label{font-size:0.75rem;color:var(--text-dim);margin-top:0.15rem;text-transform:uppercase;letter-spacing:0.05em}

/* Grid */
.grid{display:grid;gap:1rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-auto{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}

/* Sidebar Layout */
.layout-sidebar{display:flex;gap:1.5rem}
.layout-sidebar>aside{width:240px;flex-shrink:0}
.layout-sidebar>main{flex:1;min-width:0}
.sidebar-card{background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:1.25rem;margin-bottom:1rem}
.sidebar-card .nav-item{display:block;padding:0.55rem 0.85rem;border-radius:var(--radius-sm);color:var(--text-dim);font-size:0.85rem;font-weight:500;transition:var(--transition);margin-bottom:0.15rem}
.sidebar-card .nav-item:hover{background:var(--bg-hover);color:var(--text)}
.sidebar-card .nav-item.active{background:var(--accent-dark);color:var(--accent)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:0.4rem;padding:0.5rem 1.1rem;border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius);background:var(--bg-surface);color:var(--text);cursor:pointer;font-family:var(--font-sans);font-size:0.82rem;font-weight:500;letter-spacing:0.01em;transition:var(--transition);white-space:nowrap;user-select:none;text-decoration:none}
.btn:hover{background:var(--bg-hover);border-color:rgba(255,255,255,0.15);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--accent);color:#000;border-color:var(--accent);font-weight:600}
.btn-primary:hover{background:#4fff95;box-shadow:0 0 20px var(--accent-glow)}
.btn-danger{color:var(--danger);border-color:rgba(255,51,85,0.3)}
.btn-danger:hover{background:rgba(255,51,85,0.1);box-shadow:0 0 16px var(--danger-glow)}
.btn-warning{color:var(--yellow);border-color:rgba(255,179,0,0.3)}
.btn-cyan{color:var(--cyan);border-color:rgba(0,229,255,0.3)}
.btn-cyan:hover{background:rgba(0,229,255,0.08);box-shadow:0 0 16px var(--cyan-glow)}
.btn-sm{padding:0.35rem 0.75rem;font-size:0.78rem;border-radius:var(--radius-sm)}
.btn-lg{padding:0.7rem 1.5rem;font-size:0.95rem}
.btn:disabled{opacity:0.4;cursor:not-allowed;transform:none!important}
.btn-group{display:flex;gap:0.35rem}

/* Forms */
.form-group{margin-bottom:0.85rem}
.form-label{display:block;font-size:0.78rem;font-weight:600;color:var(--text-dim);margin-bottom:0.3rem;text-transform:uppercase;letter-spacing:0.04em}
.form-input,.form-select,.form-textarea{width:100%;padding:0.6rem 0.85rem;background:var(--bg-input);border:1px solid rgba(255,255,255,0.06);border-radius:var(--radius);color:var(--text);font-family:var(--font-sans);font-size:0.88rem;transition:var(--transition);outline:none}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.form-input::placeholder{color:var(--muted)}
.form-textarea{min-height:90px;resize:vertical}
.form-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%237777aa' d='M4 6l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 0.6rem center;background-size:1rem;padding-right:2rem}
.form-select option{background:var(--bg-surface);color:var(--text)}
.form-row{display:flex;gap:0.75rem}
.form-row>*{flex:1}
.form-inline{display:flex;gap:0.5rem;align-items:flex-end}

/* Flash */
.flash{padding:0.6rem 1rem;border-radius:var(--radius);margin-bottom:0.75rem;font-size:0.83rem;font-weight:500;border:1px solid;animation:slideDown 0.25s ease}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.flash-success{background:rgba(61,252,142,0.08);border-color:rgba(61,252,142,0.2);color:var(--accent)}
.flash-error{background:rgba(255,51,85,0.08);border-color:rgba(255,51,85,0.2);color:var(--danger)}
.flash-warning{background:rgba(255,179,0,0.08);border-color:rgba(255,179,0,0.2);color:var(--yellow)}
.flash-info{background:rgba(0,229,255,0.06);border-color:rgba(0,229,255,0.15);color:var(--cyan)}

/* Tables */
.table{width:100%;border-collapse:collapse;font-size:0.83rem}
.table th{font-size:0.72rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.05em;padding:0.6rem 0.75rem;text-align:left;border-bottom:1px solid var(--glass-border);background:rgba(0,0,0,0.2)}
.table td{padding:0.55rem 0.75rem;border-bottom:1px solid rgba(255,255,255,0.03)}
.table tr:hover td{background:var(--bg-hover)}
.table .mono{font-family:var(--font-mono);font-size:0.82rem}

/* Tabs */
.tabs{display:flex;gap:0;border-bottom:2px solid var(--glass-border);margin-bottom:1.25rem}
.tab-btn{padding:0.6rem 1.2rem;border:none;background:transparent;color:var(--text-dim);cursor:pointer;font-family:var(--font-sans);font-size:0.85rem;font-weight:500;border-bottom:2px solid transparent;margin-bottom:-2px;transition:var(--transition)}
.tab-btn:hover{color:var(--text)}
.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:fadeIn 0.25s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:0.2rem;padding:0.2rem 0.55rem;border-radius:20px;font-size:0.7rem;font-weight:600;text-transform:uppercase;letter-spacing:0.03em}
.badge-green{background:rgba(61,252,142,0.12);color:var(--accent)}
.badge-red{background:rgba(255,51,85,0.12);color:var(--danger)}
.badge-yellow{background:rgba(255,179,0,0.12);color:var(--yellow)}
.badge-cyan{background:rgba(0,229,255,0.12);color:var(--cyan)}
.badge-magenta{background:rgba(255,64,136,0.12);color:var(--magenta)}

/* Progress */
.progress{height:8px;background:var(--bg-input);border-radius:4px;overflow:hidden}
.progress-bar{height:100%;background:var(--accent);border-radius:4px;transition:width 0.4s ease}
.progress-bar.danger{background:var(--danger)}
.progress-bar.warning{background:var(--yellow)}
.progress-bar.cyan{background:var(--cyan)}

/* PC Card */
.pc-card{background:var(--bg-card);border:2px solid var(--glass-border);border-radius:var(--radius-lg);padding:1rem 1.25rem;cursor:pointer;transition:var(--transition);text-decoration:none;color:var(--text);display:block;position:relative;overflow:hidden}
.pc-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.pc-card.online{border-left:3px solid var(--accent)}
.pc-card.offline{border-left:3px solid var(--muted)}
.pc-card.danger{border-left:3px solid var(--danger);animation:pulse-border 1.5s ease infinite}
@keyframes pulse-border{0%,100%{border-left-color:var(--danger)}50%{border-left-color:transparent}}
.pc-name{font-family:var(--font-mono);font-size:1rem;font-weight:600;color:var(--heading);margin-bottom:0.4rem}
.pc-specs{font-size:0.78rem;color:var(--text-dim);line-height:1.5}
.pc-ip{font-family:var(--font-mono);font-size:0.75rem;color:var(--accent-dim);margin-top:0.3rem}

/* Terminal */
.terminal{background:#010108;border:1px solid var(--glass-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 0 40px rgba(0,0,0,0.5),inset 0 0 80px rgba(61,252,142,0.02)}
.terminal-bar{background:var(--bg-surface);padding:0.5rem 1rem;display:flex;align-items:center;gap:0.5rem;border-bottom:1px solid var(--glass-border)}
.terminal-dot{width:10px;height:10px;border-radius:50%}
.terminal-dot.red{background:#ff5f57}
.terminal-dot.yellow{background:#febc2e}
.terminal-dot.green{background:#28c840}
.terminal-title{font-family:var(--font-mono);font-size:0.75rem;color:var(--text-dim);margin-left:0.5rem}
.terminal-body{padding:1rem;font-family:var(--font-mono);font-size:0.85rem;line-height:1.6;color:var(--accent);min-height:300px;max-height:500px;overflow-y:auto}
.terminal-body .dim{color:var(--text-dim)}
.terminal-body .err{color:var(--danger)}
.terminal-body .cyan{color:var(--cyan)}
.terminal-body .yellow{color:var(--yellow)}
.terminal-input-row{display:flex;align-items:flex-start;padding:0.5rem 1rem;border-top:1px solid var(--glass-border);gap:0.5rem}
.terminal-prompt{font-family:var(--font-mono);color:var(--accent);font-weight:700;padding-top:0.5rem}
.terminal-input-row textarea{flex:1;background:transparent;border:none;color:var(--text);font-family:var(--font-mono);font-size:0.85rem;resize:none;outline:none;min-height:20px;padding:0.5rem 0}

/* CMD Pills */
.cmd-pills{display:flex;flex-wrap:wrap;gap:0.3rem;margin-top:0.75rem}
.cmd-pill{padding:0.25rem 0.65rem;border-radius:20px;border:1px solid rgba(255,255,255,0.06);background:var(--bg-surface);color:var(--text-dim);font-family:var(--font-mono);font-size:0.72rem;cursor:pointer;transition:var(--transition);white-space:nowrap}
.cmd-pill:hover{background:var(--bg-hover);color:var(--text);border-color:rgba(255,255,255,0.15)}

/* Chat */
.chat-box{display:flex;flex-direction:column;height:65vh;min-height:400px;background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius-lg);overflow:hidden}
.chat-msgs{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:0.3rem}
.chat-msg{font-size:0.82rem;padding:0.2rem 0.4rem;border-radius:var(--radius-sm)}
.chat-msg:hover{background:var(--bg-hover)}
.chat-time{color:var(--muted);font-size:0.68rem;font-family:var(--font-mono)}
.chat-user{color:var(--cyan);font-weight:600}
.chat-text{color:var(--text)}
.chat-input-row{display:flex;padding:0.75rem;border-top:1px solid var(--glass-border);gap:0.5rem}
.chat-input-row input{flex:1}

/* Auth */
.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:2rem;background:var(--bg-deep);background-image:radial-gradient(ellipse 60% 50% at 50% 20%, rgba(61,252,142,0.06) 0%, transparent 70%),linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.015) 1px, transparent 1px);background-size:100% 100%, 50px 50px, 50px 50px}
.auth-card{background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:2.5rem;width:100%;max-width:440px;box-shadow:0 20px 60px rgba(0,0,0,0.5)}
.auth-card h1{text-align:center;font-size:1.8rem;margin-bottom:0.3rem}
.auth-card .subtitle{text-align:center;color:var(--text-dim);font-family:var(--font-mono);font-size:0.85rem;margin-bottom:2rem}
.auth-card .form-input{padding:0.75rem 1rem;font-size:0.9rem}
.auth-card .form-label{font-size:0.75rem}
.auth-footer{text-align:center;margin-top:1.25rem;font-size:0.82rem;color:var(--text-dim)}

/* Landing */
.landing{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:3rem 2rem;text-align:center;background:radial-gradient(ellipse 70% 50% at 50% 0%, rgba(61,252,142,0.08) 0%, transparent 60%),radial-gradient(ellipse 40% 30% at 20% 80%, rgba(0,229,255,0.05) 0%, transparent 50%),var(--bg-deep)}
.landing h1{font-size:3.5rem;font-weight:800;letter-spacing:-0.02em;background:linear-gradient(135deg,var(--accent),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:0.75rem}
.landing .tagline{font-family:var(--font-mono);color:var(--text-dim);font-size:1.1rem;margin-bottom:2.5rem}
.landing-stats{display:flex;gap:3rem;margin:2.5rem 0}
.landing-stat{text-align:center}
.landing-stat-val{font-family:var(--font-mono);font-size:2rem;font-weight:700;color:var(--accent)}
.landing-stat-label{font-size:0.8rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.05em}
.landing-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;max-width:750px;margin:2rem 0;text-align:left}

/* Notif Bar */
.notif-bar{background:var(--bg-surface);border-bottom:1px solid var(--glass-border);padding:0.3rem 1.5rem;display:flex;gap:0.4rem;overflow-x:auto;font-size:0.75rem}
.notif-bar .notif{background:var(--bg-card);padding:0.2rem 0.75rem;border-radius:20px;border:1px solid var(--glass-border);white-space:nowrap;cursor:pointer;transition:var(--transition)}
.notif-bar .notif.unread{border-color:var(--accent)}

/* Admin */
.admin-layout{display:flex;gap:1.5rem}
.admin-sidebar{width:220px;flex-shrink:0}
.admin-sidebar a{display:block;padding:0.5rem 0.85rem;border-radius:var(--radius);color:var(--text-dim);font-size:0.83rem;font-weight:500;margin-bottom:0.15rem;transition:var(--transition)}
.admin-sidebar a:hover,.admin-sidebar a.active{background:var(--bg-hover);color:var(--text)}
.admin-main{flex:1;min-width:0}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.7);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:9999;animation:fadeIn 0.2s ease}
.modal{background:var(--bg-card);border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:2rem;min-width:400px;max-width:90vw;max-height:85vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,0.6)}

::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.08);border-radius:3px}

@media(max-width:1024px){
    .layout-sidebar,.admin-layout{flex-direction:column}
    .layout-sidebar>aside,.admin-sidebar{width:100%}
    .admin-sidebar{display:flex;flex-wrap:wrap;gap:0.25rem}
    .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
    .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
    .stats-row{grid-template-columns:repeat(2,1fr)}
    .topbar{flex-wrap:wrap;height:auto;padding:0.5rem;gap:0.5rem}
    .topbar-nav{order:3;width:100%}
    .landing h1{font-size:2.2rem}
    .landing-stats{flex-direction:column;gap:1rem}
    .landing-grid{grid-template-columns:1fr}
    .auth-card{padding:1.5rem}
    .form-row{flex-direction:column}
}