:root {
  --bg: #050505;
  --surface: #0f110f;
  --surface-2: #161916;
  --border: #252825;
  --border-strong: #353935;
  --text: #f1f3f1;
  --muted: #9aa09a;
  --gray: #1c1c1c;
  --green: #00da00;
  --green-hi: #3dff3d;
  --green-deep: #007500;
  --green-soft: rgba(0, 218, 0, 0.12);
  --glow: 0 0 18px rgba(0, 218, 0, 0.35);
  --red: #ff5a5a;
  --red-soft: rgba(255, 90, 90, 0.12);
  --amber: #ffb020;
  --amber-soft: rgba(255, 176, 32, 0.12);
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  background-image:
    radial-gradient(1200px 500px at 15% -10%, rgba(0, 218, 0, 0.08), transparent 60%),
    radial-gradient(900px 400px at 110% 10%, rgba(255, 255, 255, 0.04), transparent 60%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; outline: none; padding-top: 28px; padding-bottom: 56px; }
a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-hi); }
img { max-width: 100%; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.hidden { display: none !important; }

/* ---------- top bar */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(5, 5, 5, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand img { border-radius: 8px; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text b { color: var(--green); font-size: 20px; letter-spacing: 3px; text-shadow: var(--glow); }
.brand-text small { color: var(--text); font-size: 10px; letter-spacing: 5px; margin-top: 3px; }
.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a { color: var(--muted); padding: 8px 12px; border-radius: 10px; font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--text); background: var(--surface-2); }
.nav a.active { color: var(--green); background: var(--green-soft); }
.session { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.balance-pill {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--border-strong); background: var(--surface);
  padding: 6px 12px; border-radius: 999px; font-weight: 700; font-size: 14px; color: var(--text);
}
.balance-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: var(--glow); }

/* ---------- buttons & inputs */
.btn {
  appearance: none; border: 1px solid var(--border-strong); background: var(--surface-2); color: var(--text);
  font: inherit; font-weight: 700; font-size: 15px; padding: 10px 18px; border-radius: 12px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px;
  transition: background .15s, border-color .15s, box-shadow .15s, color .15s;
}
.btn:hover { border-color: var(--muted); }
.btn:focus-visible, .chip:focus-visible, input:focus-visible, select:focus-visible, .pc:focus-visible {
  outline: 2px solid var(--green); outline-offset: 2px;
}
.btn.primary { background: var(--green); border-color: var(--green); color: #031503; }
.btn.primary:hover { background: var(--green-hi); border-color: var(--green-hi); box-shadow: var(--glow); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--red); border-color: rgba(255, 90, 90, .4); background: transparent; }
.btn.small { min-height: 36px; padding: 6px 12px; font-size: 14px; border-radius: 10px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; box-shadow: none; }
.btn.block { width: 100%; }

label.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; color: var(--muted); }
input, select {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: 12px; padding: 10px 12px; min-height: 44px; width: 100%;
}
select { cursor: pointer; }

/* ---------- hero */
.hero {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; align-items: center;
  padding: 24px 0 40px;
}
.hero h1 { font-size: clamp(32px, 5vw, 54px); line-height: 1.05; margin: 0 0 16px; letter-spacing: -0.5px; }
.hero h1 em { font-style: normal; color: var(--green); text-shadow: var(--glow); }
.hero p { color: var(--muted); font-size: 18px; margin: 0 0 24px; max-width: 520px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-logo { justify-self: center; width: min(420px, 100%); mix-blend-mode: lighten; }
.brand img { mix-blend-mode: lighten; }
.eyebrow { color: var(--green); font-weight: 800; letter-spacing: 4px; font-size: 12px; text-transform: uppercase; margin-bottom: 12px; }

.section-title { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 36px 0 16px; flex-wrap: wrap; }
.section-title h2 { margin: 0; font-size: 22px; }

/* ---------- cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.grid-rooms { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.room-card { display: flex; flex-direction: column; gap: 10px; color: var(--text); transition: border-color .15s, transform .15s; }
.room-card:hover { border-color: var(--green-deep); transform: translateY(-2px); color: var(--text); }
.room-card h3 { margin: 0; font-size: 17px; }
.room-meta { display: flex; justify-content: space-between; align-items: baseline; }
.price { font-weight: 800; font-size: 20px; }
.price small { color: var(--muted); font-weight: 600; font-size: 13px; }
.bar { height: 6px; border-radius: 6px; background: var(--gray); overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--green); box-shadow: var(--glow); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.step b { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: var(--green-soft); color: var(--green); margin-bottom: 10px; }
.step h3 { margin: 0 0 6px; font-size: 16px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- devices */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
.chip {
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--muted);
  padding: 7px 14px; border-radius: 999px; font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; min-height: 38px;
}
.chip:hover { color: var(--text); }
.chip[aria-pressed="true"] { color: #031503; background: var(--green); border-color: var(--green); }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--muted); margin-left: auto; }
.legend span::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: -1px; }
.legend .l-free::before { background: var(--green); }
.legend .l-busy::before { background: var(--red); }
.legend .l-booked::before { background: var(--amber); }

/* Each room is its own panel */
.room-block {
  margin-bottom: 22px; padding: 18px; border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .025), transparent 140px), var(--surface);
  border: 1px solid var(--border);
}
.room-head {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding-bottom: 14px; margin-bottom: 16px; border-bottom: 1px solid var(--border);
}
.room-head h3 { margin: 0; font-size: 20px; letter-spacing: .3px; display: flex; align-items: center; gap: 10px; }
.room-head h3::before { content: ""; width: 4px; height: 22px; border-radius: 4px; background: var(--green); box-shadow: var(--glow); }
.room-rate {
  font-weight: 800; color: var(--green); background: var(--green-soft); border: 1px solid rgba(0, 218, 0, .25);
  padding: 4px 10px; border-radius: 999px; font-size: 14px;
}
.room-rate small, .pc-rate small { font-weight: 600; opacity: .8; }
.room-free { margin-left: auto; color: var(--muted); font-size: 14px; font-weight: 600; }
.room-free b { color: var(--text); }

/* PC card with monitor */
.grid-pcs { display: grid; grid-template-columns: repeat(auto-fill, minmax(176px, 1fr)); gap: 12px; }
.pc {
  --st: var(--green);
  text-align: left; font: inherit; color: var(--text); cursor: pointer;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 14px; padding: 14px 14px 12px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.pc.busy { --st: var(--red); }
.pc.booked { --st: var(--amber); }
.pc:hover { border-color: var(--st); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, .35); }
.pc.free:hover { box-shadow: 0 8px 24px rgba(0, 0, 0, .35), 0 0 0 1px rgba(0, 218, 0, .25), var(--glow); }

.monitor { width: 100%; height: auto; display: block; }
.m-bezel { fill: #0a0b0a; stroke: var(--border-strong); stroke-width: 1.5; }
.m-screen { fill: #070807; stroke: var(--st); stroke-opacity: .55; stroke-width: 1.2; }
.pc.free .m-screen { fill: rgba(0, 218, 0, .12); filter: drop-shadow(0 0 6px rgba(0, 218, 0, .45)); }
.pc.busy .m-screen { fill: rgba(255, 90, 90, .07); }
.pc.booked .m-screen { fill: rgba(255, 176, 32, .09); }
.m-scan { stroke: var(--st); stroke-opacity: .07; stroke-width: 1; }
.m-name { fill: var(--text); font: 800 21px var(--font); letter-spacing: 2px; }
.pc.free .m-name { fill: var(--green-hi); }
.pc.busy .m-name { fill: #9b9f9b; }
.m-state { fill: var(--st); font: 700 9.5px var(--font); letter-spacing: 1.6px; }
.m-led { fill: var(--st); }
.m-stand, .m-base { fill: #262926; }

.pc-info { display: flex; flex-direction: column; gap: 3px; }
.pc-row { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.pc-name { font-weight: 800; font-size: 17px; letter-spacing: .5px; }
.pc-rate { font-weight: 800; font-size: 14px; color: var(--green); white-space: nowrap; }
.pc-room { font-size: 13px; color: var(--muted); }
.pc .status { font-size: 12.5px; margin-top: 2px; }
.status { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.status.free { color: var(--green); }
.status.busy { color: var(--red); }
.status.booked { color: var(--amber); }
.updated { font-size: 13px; color: var(--muted); }

/* ---------- account */
.account-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.balance-big { font-size: 40px; font-weight: 800; line-height: 1.1; }
.balance-big small { font-size: 16px; color: var(--muted); font-weight: 700; margin-left: 4px; }
.kv { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 10px; color: var(--muted); font-size: 14px; }
.kv b { color: var(--text); }
.presets { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 12px 0; }
.card h2 { margin: 0 0 4px; font-size: 18px; }
.list { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface-2); }
.badge { font-size: 12px; font-weight: 800; padding: 3px 9px; border-radius: 999px; background: var(--gray); color: var(--muted); white-space: nowrap; }
.badge.ok { background: var(--green-soft); color: var(--green); }
.badge.bad { background: var(--red-soft); color: var(--red); }
.badge.warn { background: var(--amber-soft); color: var(--amber); }
.test-flag { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: 1px; color: var(--amber); border: 1px solid rgba(255, 176, 32, .5); border-radius: 6px; padding: 1px 6px; margin-left: 8px; vertical-align: 2px; }

.notice { border-radius: 12px; padding: 12px 14px; margin-bottom: 16px; border: 1px solid var(--border-strong); background: var(--surface-2); }
.notice.ok { border-color: rgba(0, 218, 0, .45); background: var(--green-soft); }
.notice.bad { border-color: rgba(255, 90, 90, .45); background: var(--red-soft); }
.notice.warn { border-color: rgba(255, 176, 32, .45); background: var(--amber-soft); }

/* My bookings */
.bookings { display: flex; flex-direction: column; gap: 12px; }
.booking {
  display: grid; grid-template-columns: 110px 1fr auto; gap: 16px; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 14px 16px;
}
.booking-pc .monitor { width: 110px; }
.booking-pc { --st: var(--green); }
.booking-pc.booked { --st: var(--amber); }
.booking-pc.free .m-screen { fill: rgba(0, 218, 0, .12); }
.booking-pc.free .m-name { fill: var(--green-hi); }
.booking-pc.booked .m-screen { fill: rgba(255, 176, 32, .09); }
.booking-title { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 17px; }
.booking-when { margin-top: 4px; font-weight: 600; }
.booking-meta { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 6px; color: var(--muted); font-size: 14px; }
.booking-meta b { color: var(--text); }
.code { font-family: Consolas, "Courier New", monospace; letter-spacing: 2px; color: var(--green); font-weight: 800; }
.booking-actions { display: flex; justify-content: flex-end; }
@media (max-width: 640px) {
  .booking { grid-template-columns: 80px 1fr; gap: 12px; }
  .booking-pc .monitor { width: 80px; }
  .booking-actions { grid-column: 1 / -1; justify-content: stretch; }
  .booking-actions .btn { width: 100%; }
}
/* Balance history */
.history { padding: 4px 0; }
.hrow { display: grid; grid-template-columns: 36px 1fr auto; gap: 12px; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.hrow:last-child { border-bottom: none; }
.hicon { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; font-weight: 800; font-size: 15px; background: var(--gray); color: var(--muted); }
.hicon.plus { background: var(--green-soft); color: var(--green); }
.hicon.play { background: rgba(255, 255, 255, .06); color: var(--text); }
.hicon.shop { background: var(--amber-soft); color: var(--amber); }
.hicon.bonus { background: rgba(120, 160, 255, .12); color: #8fb0ff; }
.hicon.acct { background: var(--green-soft); color: var(--green-hi); }
.hmain { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.hmeta { font-size: 13px; color: var(--muted); }
.hdetails { font-size: 12.5px; color: var(--muted); opacity: .8; overflow-wrap: anywhere; }
.hamts { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; white-space: nowrap; }
.hamt { font-weight: 800; font-size: 15px; }
.hamt.plus { color: var(--green); }
.hamt.minus { color: var(--red); }
.hamt.small { font-size: 12.5px; font-weight: 700; }
.pager { display: flex; justify-content: center; align-items: center; gap: 14px; margin-top: 12px; }
@media (max-width: 640px) {
  .hrow { grid-template-columns: 30px 1fr; padding: 10px 12px; }
  .hicon { width: 30px; height: 30px; }
  .hamts { grid-column: 2; flex-direction: row; flex-wrap: wrap; justify-content: flex-start; gap: 4px 12px; }
}
.empty { text-align: center; padding: 40px 16px; color: var(--muted); }
.skeleton { height: 92px; border-radius: 12px; background: linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%); background-size: 200% 100%; animation: shimmer 1.2s infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- modal */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 50; background: rgba(0, 0, 0, .7);
  display: grid; place-items: center; padding: 16px; animation: fade .15s ease-out;
}
.modal {
  width: 100%; max-width: 440px; max-height: calc(100vh - 32px); overflow: auto;
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: 18px; padding: 22px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .6), 0 0 0 1px rgba(0, 218, 0, .06);
}
.modal-head { display: flex; justify-content: space-between; align-items: start; gap: 12px; margin-bottom: 16px; }
.modal-head h2 { margin: 0; font-size: 20px; }
.modal-head p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.close { background: none; border: none; color: var(--muted); font-size: 26px; line-height: 1; cursor: pointer; padding: 4px 8px; border-radius: 8px; }
.close:hover { color: var(--text); background: var(--surface-2); }
.form { display: flex; flex-direction: column; gap: 14px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.modal:has(#reg-form) { max-width: 560px; }
.row-3 { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 10px; }
.autolock { border: 1px solid rgba(0, 218, 0, .3); background: var(--green-soft); border-radius: 12px; padding: 12px; display: grid; gap: 8px; }
.autolock p { margin: 0; font-size: 13px; color: var(--muted); }
.autolock p b { color: var(--text); }
.dur-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: -4px; }
.dur-row .chip { min-height: 34px; padding: 5px 12px; font-size: 13px; }
.dur-label { font-size: 14px; color: var(--muted); min-height: 1.2em; margin-top: -6px; }
.dur-label b { color: var(--text); }
input[type="time"] { cursor: text; }
input[type="time"]::-webkit-calendar-picker-indicator { filter: invert(1); opacity: .7; cursor: pointer; }
.quote { border: 1px dashed var(--border-strong); border-radius: 12px; padding: 12px 14px; display: grid; gap: 6px; font-size: 15px; }
.quote div { display: flex; justify-content: space-between; }
.quote .total { font-weight: 800; font-size: 18px; }
.form-error { color: var(--red); font-size: 14px; min-height: 1em; }
@keyframes fade { from { opacity: 0; } }

/* ---------- toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); z-index: 60;
  background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: 12px; padding: 12px 16px;
  font-weight: 600; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; max-width: calc(100vw - 32px);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok { border-color: var(--green-deep); }
.toast.bad { border-color: rgba(255, 90, 90, .6); }

.footer { border-top: 1px solid var(--border); padding: 18px 0; font-size: 13px; }
.footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- responsive */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 8px; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-logo { width: min(280px, 80%); grid-row: 1; }
  .steps { grid-template-columns: 1fr; }
  .account-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .topbar-inner { gap: 10px; }
  .brand-text { display: none; }
  .nav { margin-left: 0; }
  .nav a { padding: 8px 8px; font-size: 14px; }
  .balance-pill { padding: 5px 10px; font-size: 13px; }
  .legend { margin-left: 0; width: 100%; }
  .grid-pcs { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .room-block { padding: 14px; border-radius: 16px; }
  .room-free { margin-left: 0; width: 100%; }
  .pc { padding: 10px 10px 10px; }
  .pc-name { font-size: 15px; }
  .row-2 { grid-template-columns: 1fr; }
  .row-3 { grid-template-columns: 1fr 1fr; }
  .row-3 > :first-child { grid-column: 1 / -1; }
  .presets { grid-template-columns: repeat(2, 1fr); }
}