:root {
  color-scheme: dark;
  --bg: #0a0d0c;
  --panel: rgba(21, 26, 24, 0.92);
  --panel-soft: rgba(33, 40, 37, 0.72);
  --line: rgba(255, 255, 255, 0.09);
  --text: #f2f1ec;
  --muted: #aaa9a1;
  --lime: #d6f075;
  --mint: #8fe0b0;
  --orange: #f3a464;
  --red: #f37e76;
  --blue: #87bfee;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); overflow-x: hidden; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.ambient { position: fixed; border-radius: 50%; filter: blur(120px); opacity: .14; pointer-events: none; }
.ambient-one { width: 520px; height: 520px; background: var(--lime); top: -240px; right: -150px; }
.ambient-two { width: 420px; height: 420px; background: #3a7b68; bottom: -260px; left: 12%; }
.eyebrow { margin: 0 0 8px; color: var(--lime); font-size: .72rem; font-weight: 800; letter-spacing: .18em; }

.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(360px, .75fr); align-items: center; gap: 64px; max-width: 1180px; margin: auto; padding: 56px; }
.brand-card h1 { font-size: clamp(5rem, 12vw, 10rem); line-height: .82; letter-spacing: -.08em; margin: 0 0 32px; }
.brand-card > p:last-child { max-width: 620px; color: var(--muted); font-size: 1.3rem; line-height: 1.55; }
.login-card, dialog { background: var(--panel); border: 1px solid var(--line); border-radius: 24px; box-shadow: 0 32px 100px rgba(0,0,0,.45); backdrop-filter: blur(22px); }
.login-card { padding: 38px; }
.login-card h2 { margin: 0 0 30px; font-size: 2rem; }
label { display: grid; gap: 8px; color: var(--muted); font-size: .86rem; font-weight: 650; }
input, select, textarea { width: 100%; color: var(--text); background: #111513; border: 1px solid var(--line); border-radius: 11px; padding: 13px 14px; outline: none; }
textarea { resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus { border-color: rgba(214,240,117,.65); box-shadow: 0 0 0 3px rgba(214,240,117,.1); }
form label + label { margin-top: 18px; }
button { border: 0; border-radius: 11px; padding: 12px 17px; background: var(--lime); color: #11150e; font-weight: 800; }
.login-card > button { margin-top: 28px; width: 100%; }
.error { min-height: 1.2em; color: var(--red); font-size: .85rem; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 230px minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; padding: 30px 22px; border-right: 1px solid var(--line); background: rgba(11,14,13,.86); display: flex; flex-direction: column; justify-content: space-between; }
.sidebar h2 { margin: 0; font-size: 2rem; }
.sidebar nav { display: grid; gap: 8px; margin-top: 40px; }
.nav-item { text-align: left; text-decoration: none; color: var(--muted); background: transparent; border-radius: 10px; padding: 12px 14px; font-weight: 700; }
.nav-item.active { color: var(--text); background: var(--panel-soft); }
.nav-item.disabled { cursor: not-allowed; opacity: .35; }
.sidebar-footer { display: grid; gap: 10px; color: var(--muted); font-size: .84rem; }
.text-button { padding: 0; background: none; color: var(--muted); text-align: left; }
.main-content { min-width: 0; padding: 34px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.topbar h1 { margin: 0; font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.05em; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; margin: 30px 0 20px; }
.metric { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel-soft); }
.metric strong { display: block; font-size: 1.8rem; margin-top: 4px; }
.metric span { color: var(--muted); font-size: .78rem; }
.alert-panel { margin-bottom: 18px; padding: 14px 17px; border: 1px solid rgba(243,126,118,.3); border-radius: 13px; background: rgba(243,126,118,.08); color: #ffc4bf; }
.integration-panel { margin-bottom: 18px; padding: 15px 17px; border: 1px solid rgba(135,191,238,.24); border-radius: 13px; background: rgba(135,191,238,.07); display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.integration-panel strong { display: block; margin-top: 4px; }
.integration-kicker { color: var(--blue); font-size: .68rem; font-weight: 800; letter-spacing: .1em; }
.integration-counts { display: flex; gap: 14px; color: var(--muted); font-size: .78rem; }
.mail-panel { margin-bottom: 18px; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: rgba(18,22,20,.72); }
.mail-panel-head, .mail-item, .mail-item-meta { display: flex; justify-content: space-between; gap: 18px; }
.mail-panel-head { align-items: center; margin-bottom: 12px; }
.mail-panel-head h2 { margin: 0; }
.mail-messages { display: grid; gap: 9px; }
.mail-item { align-items: center; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: #171c1a; }
.mail-item-copy { min-width: 0; }
.mail-item h3 { margin: 6px 0; font-size: .95rem; }
.mail-item p { margin: 0; max-width: 900px; overflow: hidden; color: var(--muted); font-size: .8rem; line-height: 1.45; text-overflow: ellipsis; white-space: nowrap; }
.mail-item-meta { color: var(--muted); font-size: .72rem; }
.empty-state { margin: 6px 0; color: var(--muted); }
.success-notice { color: var(--mint); font-size: .82rem; }
.reply-context { display: grid; gap: 4px; margin: 24px 0 18px; color: var(--muted); font-size: .85rem; }
.reply-context strong { color: var(--text); }
.confirm-send { grid-template-columns: 20px 1fr; align-items: start; margin-top: 18px; line-height: 1.4; }
.confirm-send input { width: auto; margin-top: 2px; }
button:disabled { cursor: wait; opacity: .55; }
.board { display: grid; grid-template-columns: repeat(7, minmax(260px, 1fr)); gap: 13px; overflow-x: auto; padding-bottom: 18px; }
.column { min-height: 520px; border: 1px solid var(--line); border-radius: 16px; background: rgba(18,22,20,.72); }
.column-head { position: sticky; top: 0; padding: 15px 15px 12px; background: rgba(18,22,20,.96); border-bottom: 1px solid var(--line); border-radius: 16px 16px 0 0; display: flex; justify-content: space-between; }
.column-head h3 { margin: 0; font-size: .88rem; }
.column-head span { color: var(--muted); }
.cards { display: grid; gap: 10px; padding: 11px; }
.card { padding: 15px; border: 1px solid var(--line); border-radius: 12px; background: #171c1a; }
.card h4 { margin: 0 0 10px; font-size: .97rem; }
.card p { margin: 5px 0; color: var(--muted); font-size: .8rem; line-height: 1.4; }
.card .due.overdue { color: var(--red); }
.tag { display: inline-flex; margin-top: 8px; padding: 5px 8px; border-radius: 999px; background: rgba(214,240,117,.1); color: var(--lime); font-size: .68rem; font-weight: 800; text-transform: uppercase; }

dialog { width: min(680px, calc(100vw - 32px)); color: var(--text); padding: 0; }
dialog::backdrop { background: rgba(0,0,0,.72); backdrop-filter: blur(6px); }
.dialog-form { padding: 28px; }
.dialog-head { display: flex; justify-content: space-between; align-items: flex-start; }
.dialog-head h2 { margin: 0; }
.icon-button { background: none; color: var(--muted); font-size: 1.8rem; padding: 0 4px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 26px; }
.form-grid label + label { margin-top: 0; }
.span-2 { grid-column: span 2; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.secondary { background: var(--panel-soft); color: var(--text); }

@media (max-width: 900px) {
  .login-shell { grid-template-columns: 1fr; gap: 20px; padding: 28px; }
  .brand-card h1 { font-size: 5rem; }
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; align-items: center; padding: 16px; }
  .sidebar nav { display: none; }
  .main-content { padding: 20px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
}