:root {
  color-scheme: dark;
  --canvas: #0b1120;
  --panel: #121a2b;
  --panel-strong: #182239;
  --line: #293750;
  --text: #f4f7fb;
  --muted: #9babbe;
  --brand: #57d2b7;
  --brand-deep: #169f83;
  --danger: #ff7185;
  --warning: #ffc75c;
  --focus: #b4f0e1;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(circle at 8% 0%, #1c3451 0, transparent 30rem), var(--canvas);
  color: var(--text);
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }

.app { min-height: 100vh; }
.loading-screen, .auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.loading-screen { color: var(--muted); gap: .8rem; align-content: center; }
.spinner { width: 2.2rem; height: 2.2rem; border: 3px solid #2d405e; border-top-color: var(--brand); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(1turn); } }

.auth-card { width: min(100%, 28rem); padding: clamp(1.4rem, 4vw, 2.3rem); border: 1px solid var(--line); border-radius: 1.25rem; background: color-mix(in srgb, var(--panel) 94%, transparent); box-shadow: 0 1.5rem 4rem #02071180; }
.brand { display: flex; align-items: center; gap: .75rem; font-weight: 800; letter-spacing: -.03em; }
.brand-mark { display: inline-grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: .72rem; background: var(--brand); color: #06231d; font-size: 1.15rem; }
.auth-card h1 { margin: 1.5rem 0 .45rem; font-size: clamp(1.7rem, 6vw, 2.2rem); line-height: 1.05; letter-spacing: -.055em; }
.lead, .hint { color: var(--muted); line-height: 1.55; }
.lead { margin: 0 0 1.4rem; }
.hint { margin: .8rem 0 0; font-size: .82rem; }

.form-grid { display: grid; gap: .95rem; }
.field { display: grid; gap: .38rem; color: #c9d4e4; font-size: .88rem; font-weight: 650; }
input, select, textarea { width: 100%; min-height: 2.75rem; padding: .65rem .75rem; border: 1px solid var(--line); border-radius: .65rem; background: #0d1524; color: var(--text); outline: none; }
textarea { min-height: 7.5rem; resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible { border-color: var(--focus); box-shadow: 0 0 0 3px #57d2b733; outline: 0; }

.button-row { display: flex; flex-wrap: wrap; gap: .65rem; align-items: center; }
.auth-toggle { margin-top: .9rem; }
.button, .icon-button, .project-link { border: 1px solid transparent; border-radius: .68rem; color: var(--text); background: transparent; }
.button { display: inline-flex; min-height: 2.7rem; align-items: center; justify-content: center; padding: .55rem .88rem; font-weight: 750; }
.button-primary { background: var(--brand); color: #05241e; }
.button-primary:hover { background: #7de2cb; }
.button-secondary { border-color: var(--line); background: #19243a; }
.button-danger { border-color: #8e3445; color: #ffc2ca; }
.button-link { min-height: auto; padding: .2rem; color: var(--brand); }
.button-small { min-height: 2.15rem; padding: .35rem .6rem; font-size: .82rem; }
.icon-button { width: 2.5rem; height: 2.5rem; border-color: var(--line); background: #162137; color: var(--muted); font-size: 1.4rem; line-height: 1; }

.layout { display: grid; grid-template-columns: 17rem minmax(0, 1fr); min-height: 100vh; }
.sidebar { display: flex; flex-direction: column; gap: 1.2rem; padding: 1.15rem; border-right: 1px solid var(--line); background: #0d1524dc; }
.sidebar-actions { display: grid; gap: .5rem; }
.sidebar-label { margin: .35rem .45rem .1rem; color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.project-list { display: grid; gap: .25rem; overflow-y: auto; }
.project-link { display: grid; grid-template-columns: auto 1fr; gap: .65rem; align-items: center; width: 100%; padding: .65rem; text-align: left; }
.project-link:hover, .project-link[aria-current="page"] { background: #1d2b45; color: white; }
.project-key { padding: .22rem .35rem; border-radius: .38rem; background: #263a5d; color: #c5d6f3; font-size: .7rem; font-weight: 800; }
.project-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .9rem; }
.user-card { display: flex; gap: .65rem; align-items: center; margin-top: auto; padding: .7rem; border-top: 1px solid var(--line); }
.avatar { display: inline-grid; flex: 0 0 2.15rem; place-items: center; width: 2.15rem; height: 2.15rem; border-radius: 50%; background: #2a476a; color: #dffdf6; font-size: .78rem; font-weight: 800; }
.user-card strong, .user-card span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-card span { color: var(--muted); font-size: .72rem; }

.content { min-width: 0; padding: clamp(1rem, 3vw, 2.2rem); }
.topbar, .project-hero, .section-heading, .ticket-toolbar { display: flex; gap: 1rem; align-items: center; justify-content: space-between; }
.topbar { margin-bottom: 2rem; }
.topbar h1 { margin: 0; font-size: clamp(1.3rem, 3vw, 1.75rem); letter-spacing: -.045em; }
.project-hero { align-items: end; padding: clamp(1.1rem, 3vw, 1.8rem); border: 1px solid var(--line); border-radius: 1rem; background: linear-gradient(105deg, #15243d, #122038); }
.project-hero h2 { margin: .35rem 0 0; font-size: clamp(1.45rem, 3vw, 2rem); letter-spacing: -.05em; }
.eyebrow { margin: 0; color: var(--brand); font-size: .72rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.project-description { max-width: 50rem; margin: .7rem 0 0; color: var(--muted); line-height: 1.5; }
.section-heading { margin: 1.7rem 0 .8rem; }
.section-heading h2 { margin: 0; font-size: 1.08rem; }

.ticket-toolbar { margin-bottom: .75rem; }
.ticket-toolbar label { min-width: min(100%, 12rem); }
.ticket-list { display: grid; gap: .6rem; }
.ticket-card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: .85rem; align-items: center; width: 100%; padding: .9rem; border: 1px solid var(--line); border-radius: .85rem; background: var(--panel); color: inherit; text-align: left; }
.ticket-card:hover { border-color: #49678f; background: var(--panel-strong); }
.ticket-id { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .77rem; }
.ticket-summary { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 760; }
.ticket-meta { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .35rem; color: var(--muted); font-size: .78rem; }
.badge { display: inline-flex; align-items: center; min-height: 1.45rem; padding: .14rem .42rem; border-radius: 999px; background: #273653; color: #d5e3f8; font-size: .72rem; font-weight: 760; text-transform: capitalize; }
.status-open { background: #233b60; color: #b9d7ff; }
.status-in_progress { background: #4c3e21; color: #ffe2a2; }
.status-resolved { background: #1b4a3e; color: #a6f2dd; }
.status-closed { background: #3a3e49; color: #d1d6e2; }
.priority-urgent { color: #ffc4cc; background: #642c3a; }
.priority-high { color: #ffe0b0; background: #614720; }

.empty-state { display: grid; place-items: center; gap: .55rem; min-height: 16rem; padding: 2rem; border: 1px dashed #3a4b67; border-radius: 1rem; color: var(--muted); text-align: center; }
.empty-state h2 { margin: 0; color: var(--text); font-size: 1.1rem; }
.empty-state p { max-width: 28rem; margin: 0; line-height: 1.5; }
.notice { margin: 0 0 1rem; padding: .75rem .9rem; border: 1px solid #6a5430; border-radius: .7rem; color: #ffe5ad; background: #3d301c; font-size: .88rem; line-height: 1.4; }

.modal { width: min(100% - 2rem, 40rem); max-height: min(90vh, 50rem); padding: 0; border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); color: var(--text); box-shadow: 0 1.6rem 5rem #02060ccc; }
.modal::backdrop { background: #020610b8; }
.modal-card { max-height: inherit; overflow: auto; }
.modal-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1rem .75rem; border-bottom: 1px solid var(--line); }
.modal-header h2 { margin: 0; font-size: 1.1rem; }
#modal-body { padding: 1rem; }
.dialog-ticket-title { margin: 0 0 .35rem; font-size: 1.35rem; line-height: 1.25; }
.dialog-description { white-space: pre-wrap; color: #d2ddeb; line-height: 1.55; }
.dialog-meta { display: flex; flex-wrap: wrap; gap: .5rem; margin: .8rem 0 1.1rem; }
.dialog-divider { height: 1px; margin: 1.2rem 0; background: var(--line); }
.checkbox-field { display: flex; gap: .55rem; align-items: center; color: #dce6f4; font-size: .9rem; }
.checkbox-field input { width: 1.05rem; min-height: 1.05rem; accent-color: var(--brand); }

.toasts { position: fixed; z-index: 5; right: 1rem; bottom: 1rem; display: grid; width: min(25rem, calc(100% - 2rem)); gap: .55rem; }
.toast { padding: .8rem .95rem; border: 1px solid #475a79; border-radius: .72rem; background: #192844; box-shadow: 0 .75rem 2rem #02061080; color: #eff6ff; font-size: .9rem; line-height: 1.4; }
.toast-error { border-color: #914052; background: #442333; }
.noscript { padding: 1rem; color: white; }

@media (max-width: 760px) {
  .layout { display: block; }
  .sidebar { position: sticky; top: 0; z-index: 2; display: grid; grid-template-columns: auto 1fr auto; gap: .7rem; align-items: center; padding: .65rem .8rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar .brand { grid-column: 1; }
  .sidebar-actions { display: flex; grid-column: 2; overflow-x: auto; gap: .35rem; }
  .sidebar-actions .button { flex: 0 0 auto; min-height: 2.2rem; padding: .35rem .55rem; font-size: .78rem; }
  .sidebar-label, .user-card { display: none; }
  .project-list { grid-column: 1 / -1; grid-auto-flow: column; grid-auto-columns: minmax(8rem, max-content); grid-template-columns: none; overflow-x: auto; overflow-y: hidden; padding-bottom: .15rem; }
  .project-link { grid-template-columns: auto 1fr; }
  .content { padding: 1rem; }
  .topbar { margin-bottom: 1rem; }
  .topbar h1 { font-size: 1.2rem; }
  .project-hero { display: block; }
  .project-hero .button-row { margin-top: 1rem; }
  .ticket-card { grid-template-columns: auto minmax(0, 1fr); }
  .ticket-card > .badge { grid-column: 2; justify-self: start; }
}

@media (max-width: 430px) {
  .auth-card { border-radius: .9rem; }
  .topbar, .section-heading, .ticket-toolbar { align-items: flex-start; flex-direction: column; }
  .topbar .button, .ticket-toolbar label { width: 100%; }
  .ticket-toolbar label { min-width: 0; }
  .button-row .button { flex: 1 1 auto; }
}