:root {
  --sc-black: #1d1d1e;
  --sc-primary: #f6b331;
  --sc-light-gray: #b0b0b0;
  --sc-dark-gray: #6f6f6f;
  --sc-highlight: #f7c32f;
  --color-sidebar: var(--sc-black);
  --color-sidebar-deep: #292929;
  --color-accent: var(--sc-primary);
  --color-highlight: var(--sc-highlight);
  --color-workspace: #f5f5f3;
  --color-surface: #ffffff;
  --color-text: var(--sc-black);
  --color-muted: var(--sc-dark-gray);
  --color-muted-light: var(--sc-light-gray);
  --color-border: #e5e2da;
  --color-success: #24764a;
  --color-danger: #a82d25;
  --color-accent-soft: rgba(246, 179, 49, 0.16);
  --color-accent-focus: rgba(246, 179, 49, 0.25);
  --color-sidebar-line: rgba(255, 255, 255, 0.12);
  --color-sidebar-text: rgba(255, 255, 255, 0.72);
  --shadow-panel: 0 24px 70px rgba(29, 29, 30, 0.14);
  --shadow-card: 0 8px 25px rgba(29, 29, 30, 0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--color-text); background: var(--color-workspace); }
button, input { font: inherit; }
.hidden { display: none !important; }

.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(420px, 48%) 1fr; background: var(--color-surface); }
.login-panel { width: min(430px, 78%); margin: auto; }
.brand-mark { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 16px; background: linear-gradient(145deg, var(--color-accent), var(--color-highlight)); color: var(--color-sidebar); font-weight: 900; letter-spacing: -0.04em; box-shadow: 0 12px 30px var(--color-accent-focus); }
.eyebrow { margin: 34px 0 8px; color: var(--color-accent); font-size: 0.72rem; font-weight: 850; letter-spacing: 0.18em; }
.login-panel h1 { margin: 0; color: var(--color-text); font-size: 2.8rem; letter-spacing: -0.055em; }
.subtitle { margin: 7px 0 38px; color: var(--color-muted); }
.login-panel label { display: block; margin: 18px 0 7px; font-size: 0.82rem; font-weight: 750; }
.login-panel input { width: 100%; padding: 13px 14px; border: 1px solid var(--color-border); border-radius: 10px; outline: none; transition: 0.2s; }
.login-panel input:focus { border-color: var(--color-accent); box-shadow: 0 0 0 4px var(--color-accent-focus); }
.login-panel button { width: 100%; margin-top: 16px; padding: 14px; border: 0; border-radius: 10px; background: var(--color-accent); color: var(--color-sidebar); font-weight: 850; cursor: pointer; transition: background 0.2s, transform 0.2s; }
.login-panel button:hover { background: var(--color-highlight); transform: translateY(-1px); }
.error { min-height: 20px; margin: 10px 0 -4px; color: var(--color-danger); font-size: 0.82rem; }
.secure-note { margin-top: 22px; color: var(--color-muted-light); font-size: 0.75rem; text-align: center; }

.login-art { position: relative; overflow: hidden; margin: 18px; border-radius: 24px; background: linear-gradient(145deg, var(--color-sidebar), var(--color-sidebar-deep)); box-shadow: var(--shadow-panel); }
.art-grid { position: absolute; inset: 0; background-image: linear-gradient(var(--color-sidebar-line) 1px, transparent 1px), linear-gradient(90deg, var(--color-sidebar-line) 1px, transparent 1px); background-size: 42px 42px; transform: perspective(700px) rotateX(58deg) scale(1.5); transform-origin: bottom; }
.login-art::after { position: absolute; top: 12%; right: 10%; width: 330px; height: 330px; border-radius: 50%; background: radial-gradient(circle, var(--color-accent-focus), transparent 68%); content: ""; }
.art-copy { position: absolute; right: 9%; bottom: 10%; left: 9%; display: flex; gap: 26px; align-items: flex-start; color: var(--color-surface); }
.art-copy span { padding-top: 8px; border-top: 2px solid var(--color-accent); color: var(--color-accent); font-size: 0.75rem; }
.art-copy strong { max-width: 520px; font-size: 2rem; line-height: 1.16; letter-spacing: -0.035em; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 258px 1fr; }
.sidebar { min-height: 100vh; display: flex; flex-direction: column; padding: 28px 20px; background: var(--color-sidebar); color: var(--color-surface); }
.sidebar-brand { display: flex; gap: 12px; align-items: center; padding: 0 6px 28px; border-bottom: 1px solid var(--color-sidebar-line); }
.brand-mark.small { width: 42px; height: 42px; border-radius: 12px; box-shadow: none; font-size: 0.84rem; }
.sidebar-brand strong { display: block; font-size: 1.05rem; }
.sidebar-brand span { display: block; margin-top: 3px; color: var(--color-muted-light); font-size: 0.66rem; }
.sidebar nav { margin-top: 28px; }
.sidebar nav a { display: flex; gap: 12px; align-items: center; padding: 12px 14px; border-radius: 9px; color: var(--color-sidebar-text); font-size: 0.9rem; text-decoration: none; }
.sidebar nav a.active { background: var(--color-accent-soft); color: var(--color-accent); }
.sidebar-user { margin-top: auto; padding: 20px 8px 0; border-top: 1px solid var(--color-sidebar-line); }
.sidebar-user span, .sidebar-user small { display: block; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user span { font-size: 0.78rem; }
.sidebar-user small { margin-top: 4px; color: var(--color-muted-light); font-size: 0.64rem; text-transform: uppercase; }
.ghost { margin-top: 12px; padding: 7px 12px; border: 1px solid var(--color-accent); border-radius: 7px; background: transparent; color: var(--color-accent); cursor: pointer; }

.content { width: 100%; max-width: 1500px; min-height: 100vh; display: flex; flex-direction: column; align-self: stretch; margin: auto; padding: 42px 48px; background: var(--color-workspace); }
.content header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 30px; }
.content header .eyebrow { margin: 0 0 5px; }
.content h1 { margin: 0; font-size: 2rem; letter-spacing: -0.04em; }
.live { padding: 8px 13px; border-radius: 999px; background: var(--color-accent-soft); color: var(--color-text); font-size: 0.78rem; font-weight: 750; }
.live i { width: 7px; height: 7px; display: inline-block; margin-right: 7px; border-radius: 50%; background: var(--color-success); }
.hero { display: flex; align-items: center; justify-content: space-between; padding: 34px 38px; border-left: 5px solid var(--color-accent); border-radius: 18px; background: var(--color-sidebar); color: var(--color-surface); box-shadow: var(--shadow-panel); }
.hero .eyebrow { margin: 0 0 8px; }
.eyebrow.light { color: var(--color-accent); }
.hero h2 { margin: 0 0 10px; font-size: 2rem; letter-spacing: -0.04em; }
.hero p { max-width: 650px; margin: 0; color: var(--color-muted-light); }
.hero-badge { padding: 13px 20px; border: 1px solid var(--color-accent); border-radius: 14px; color: var(--color-accent); font-size: 0.66rem; letter-spacing: 0.15em; text-align: center; }
.hero-badge strong { color: var(--color-surface); font-size: 1.8rem; }

.status-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 24px; }
.status-grid article { padding: 22px; border: 1px solid var(--color-border); border-radius: 14px; background: var(--color-surface); box-shadow: var(--shadow-card); }
.status-grid span, .status-grid small { display: block; }
.status-grid span { color: var(--color-muted); font-size: 0.72rem; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; }
.status-grid strong { display: block; margin: 18px 0 5px; color: var(--color-text); font-size: 1.35rem; word-break: break-word; }
.status-grid small { color: var(--color-muted-light); font-size: 0.72rem; }
.content footer { margin-top: auto; padding-top: 38px; color: var(--color-muted-light); font-size: 0.72rem; }

@media (max-width: 900px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-art { display: none; }
  .login-panel { width: min(430px, 86%); padding: 50px 0; }
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { min-height: auto; padding: 18px; }
  .sidebar nav { margin: 12px 0; }
  .sidebar-user { position: absolute; top: 12px; right: 18px; padding: 0; border: 0; }
  .sidebar-user span, .sidebar-user small { display: none; }
  .content { min-height: calc(100vh - 124px); padding: 28px 18px; }
  .status-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .status-grid { grid-template-columns: 1fr; }
  .hero-badge { display: none; }
  .hero { padding: 28px; }
  .content header { align-items: flex-start; }
  .live { font-size: 0.7rem; }
}