:root {
  --navy: #1F4E79; --blue: #2E75B6; --brown: #8B5A2B; --green: #0F6E56;
  --bg: #f4f6f9; --card: #fff; --line: #e2e8f0; --text: #1f2933; --muted: #6b7280;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }
.hidden { display: none !important; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 13px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 6px; width: 100%; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--blue); border-color: var(--blue); }

/* login */
.overlay { position: fixed; inset: 0; background: rgba(15,30,50,.55); display: flex; align-items: center; justify-content: center; z-index: 50; }
.login-card { background: #fff; padding: 30px 28px; border-radius: 14px; width: 320px; box-shadow: 0 20px 60px rgba(0,0,0,.25); display: flex; flex-direction: column; gap: 10px; }
.login-brand { font-family: "Courier New", monospace; font-style: italic; font-weight: 700; color: var(--navy); font-size: 20px; text-align: center; }
.login-sub { text-align: center; color: var(--muted); margin-bottom: 6px; }
.login-card .btn-primary { margin-top: 6px; }
.hint { text-align: center; color: var(--muted); font-size: 12px; }

/* app chrome */
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 12px 22px; background: var(--navy); color: #fff; }
.brand { font-family: "Courier New", monospace; font-style: italic; font-weight: 700; font-size: 17px; }
.brand-sub { font-style: normal; font-family: inherit; font-weight: 400; opacity: .8; font-size: 13px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; padding: 16px 22px; background: #fff; border-bottom: 1px solid var(--line); }
.tb-group { display: flex; gap: 8px; align-items: center; }
.tb-group input { width: 200px; }
.filters { display: flex; gap: 8px; padding: 12px 22px; flex-wrap: wrap; }
.chip { border: 1px solid var(--line); background: #fff; padding: 6px 14px; border-radius: 999px; color: var(--muted); }
.chip.active { background: var(--navy); color: #fff; border-color: var(--navy); }

main { padding: 6px 22px 40px; }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,.05); }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #eef3f9; color: var(--navy); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
tbody tr:hover { background: #f7faff; }
.muted { color: var(--muted); font-size: 12px; }
.empty { text-align: center; color: var(--muted); padding: 50px; }

/* badges */
.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.b-arrived { background: #e6f6ee; color: var(--green); }
.b-on_voyage { background: #e8f0fb; color: var(--blue); }
.b-arriving { background: #fff3e0; color: #b26a00; }
.b-due_soon { background: #ffe6e6; color: #c0392b; }
.b-overdue { background: #fde0e0; color: #b71c1c; }
.b-pending { background: #eef0f2; color: var(--muted); }
.src { font-size: 11px; padding: 2px 7px; border-radius: 5px; background: #eef0f2; color: var(--muted); }
.src-db { background: #e8f0fb; color: var(--blue); }
.src-carrier { background: #e6f6ee; color: var(--green); }
.src-demo { background: #fff3e0; color: #b26a00; }

/* buttons */
.btn-primary { background: var(--navy); color: #fff; border: none; padding: 8px 14px; border-radius: 7px; font-weight: 600; }
.btn-primary:hover { background: #163a5b; }
.btn-secondary { background: var(--blue); color: #fff; border: none; padding: 8px 14px; border-radius: 7px; }
.btn-ghost { background: transparent; border: 1px solid var(--line); padding: 8px 14px; border-radius: 7px; color: var(--navy); }
.btn-ghost:hover { background: #f0f4f9; }
.mini { border: 1px solid var(--line); background: #fff; padding: 4px 8px; border-radius: 5px; font-size: 12px; margin-right: 4px; }
.mini.primary { background: var(--green); color: #fff; border-color: var(--green); }
.mini:hover { filter: brightness(.97); }
.actions { white-space: nowrap; }

/* modal */
.modal { background: #fff; padding: 24px; border-radius: 14px; width: 560px; max-width: 94vw; max-height: 90vh; overflow: auto; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal.wide { width: 680px; }
.modal h3 { margin: 0 0 16px; color: var(--navy); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
label.full { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); margin-top: 12px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

/* toast */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); padding: 10px 18px; border-radius: 8px; color: #fff; z-index: 100; font-size: 13px; }
.toast.ok { background: var(--green); }
.toast.err { background: #c0392b; }