:root {
  color-scheme: dark;
  --bg: #0b0e12;
  --surface: #15191f;
  --surface-soft: #10141a;
  --surface-raised: #1a2027;
  --line: #2b323b;
  --line-strong: #46515d;
  --text: #f2f3f4;
  --muted: #9da5ae;
  --accent: #c7a35a;
  --accent-strong: #9f7d3a;
  --danger: #b86464;
  --shadow: 0 20px 55px rgba(0, 0, 0, 0.3);
}

body[data-theme="light"] {
  color-scheme: light;
  --bg: #eceff1;
  --surface: #ffffff;
  --surface-soft: #f4f5f6;
  --surface-raised: #f8f8f7;
  --line: #d7dadd;
  --line-strong: #b0b6bc;
  --text: #171b20;
  --muted: #606972;
  --accent: #8a671f;
  --accent-strong: #75571b;
  --danger: #9f4848;
  --shadow: 0 18px 42px rgba(28, 35, 42, 0.1);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, input, select, a { font: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent); outline-offset: 2px; }

.mission-shell { width: min(1480px, 100%); min-height: 100vh; margin: 0 auto; padding: 28px; }
.mission-header { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 20px; }
.mission-brand { display: flex; align-items: center; gap: 15px; }
.mission-mark { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 4px; color: var(--accent); background: var(--surface); font: 750 0.76rem ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: 0.08em; }
.mission-brand p, .mission-brand h1 { margin: 0; }
.mission-brand p { color: var(--muted); font-size: 0.7rem; font-weight: 760; letter-spacing: 0.14em; text-transform: uppercase; }
.mission-brand h1 { margin-top: 3px; font-size: 1.75rem; letter-spacing: -0.035em; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.theme-control { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 0.82rem; }
.theme-control select, .home-link { min-height: 40px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface); color: var(--text); }
.theme-control select { padding: 0 34px 0 12px; }
.home-link { display: inline-flex; align-items: center; padding: 0 14px; text-decoration: none; font-weight: 650; }

.mission-workspace { display: grid; grid-template-columns: minmax(310px, 365px) minmax(0, 1fr); gap: 16px; align-items: start; }
.mission-card { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); box-shadow: var(--shadow); }
.mission-controls { padding: 24px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.section-heading div { display: grid; gap: 5px; }
.section-heading div span, .field span, .status-tile span, .display-meta span, .display-caption, .clock-label { color: var(--muted); font-size: 0.68rem; font-weight: 760; letter-spacing: 0.11em; text-transform: uppercase; }
.section-heading div strong { font-size: 1.05rem; }
.system-indicator { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 0.72rem; }
.system-indicator::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

.field { display: grid; gap: 8px; margin-top: 22px; }
.field input { width: 100%; min-height: 50px; padding: 0 14px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface-soft); color: var(--text); font: 600 1rem ui-monospace, SFMono-Regular, Consolas, monospace; }
.field input:focus { border-color: var(--accent); }
.preset-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.preset-button, .button-row button, .display-icon-button { min-height: 42px; padding: 0 13px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface-raised); color: var(--text); font-weight: 680; cursor: pointer; }
.preset-button:hover, .button-row button:hover, .display-icon-button:hover { border-color: var(--line-strong); }

.status-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 20px; overflow: hidden; border: 1px solid var(--line); border-radius: 5px; background: var(--line); }
.status-tile { min-width: 0; padding: 13px; background: var(--surface-soft); }
.status-tile strong { display: block; margin-top: 7px; font: 650 0.88rem ui-monospace, SFMono-Regular, Consolas, monospace; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.button-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 20px; }
.button-row .primary-action { border-color: var(--accent-strong); background: var(--accent-strong); color: #fff; }
.button-row .danger-action { color: var(--danger); }
.feedback-label { min-height: 44px; margin: 18px 0 0; padding-top: 15px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.83rem; line-height: 1.5; }

.mission-display { min-width: 0; padding: 26px; }
.display-top { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.display-lead { display: flex; align-items: center; gap: 14px; }
.display-badge { min-width: 70px; padding: 9px 12px; border: 1px solid var(--accent-strong); border-radius: 4px; color: var(--accent); font: 750 0.82rem/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: 0.07em; text-align: center; }
.display-badge.is-countup { color: var(--text); border-color: var(--line-strong); }
.display-lead div { display: grid; gap: 5px; }
.display-subtitle { color: var(--text); font-size: 0.92rem; }
.display-icon-button { display: inline-flex; align-items: center; gap: 8px; min-height: 38px; }
.display-icon-button svg { width: 18px; height: 18px; }
.display-icon-button span { font-size: 0.82rem; }
.display-icon-button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }

.clock-wrapper { position: relative; min-height: 390px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; margin: 18px 0 14px; overflow: hidden; border: 1px solid var(--line); border-radius: 5px; background: var(--surface-soft); }
.clock-glow { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 52px 52px; opacity: 0.22; }
.clock-label { position: relative; z-index: 1; }
.clock-display { position: relative; z-index: 1; max-width: 100%; padding: 0 16px; color: var(--text); font: 600 clamp(3rem, 7vw, 7rem)/1 "SFMono-Regular", Consolas, monospace; font-variant-numeric: tabular-nums; letter-spacing: -0.055em; white-space: nowrap; text-align: center; }
.clock-wrapper.is-countup .clock-display { color: var(--accent); }

.display-meta { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: 5px; background: var(--line); }
.display-meta div { min-width: 0; padding: 16px; background: var(--surface); }
.display-meta strong { display: block; margin-top: 7px; font: 620 0.92rem/1.45 ui-monospace, SFMono-Regular, Consolas, monospace; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }

body.cinema-mode .mission-header, body.cinema-mode .mission-controls { display: none; }
body.cinema-mode .mission-shell { width: 100%; padding: 18px; }
body.cinema-mode .mission-workspace { display: block; }
body.cinema-mode .mission-display { min-height: calc(100vh - 36px); display: flex; flex-direction: column; }
body.cinema-mode .clock-wrapper { flex: 1; min-height: 68vh; }
body.cinema-mode .clock-display { font-size: clamp(4rem, 11vw, 11rem); }

@media (max-width: 900px) {
  .mission-workspace { grid-template-columns: 1fr; }
  .clock-display { font-size: clamp(2.7rem, 10vw, 5.5rem); }
}

@media (max-width: 620px) {
  .mission-shell { padding: 14px; }
  .mission-header { align-items: flex-start; }
  .header-actions { flex-direction: column; align-items: stretch; }
  .theme-control { justify-content: space-between; }
  .mission-controls, .mission-display { padding: 17px; }
  .status-grid, .display-meta { grid-template-columns: 1fr; }
  .clock-wrapper { min-height: 275px; }
  .clock-display { font-size: clamp(2.1rem, 10vw, 3.3rem); padding-inline: 8px; }
  .display-icon-button span { display: none; }
}

@media (prefers-reduced-motion: reduce) { * { transition-duration: 0.01ms !important; } }