@import "rails-ujs";

/* =========================================================
   Ruby on Rails 7.2 + MariaDB — application stylesheet
   A clean, modern "dashboard" look with a gradient header
   banner (public/images/header-bg.png) and card-based forms.
   ========================================================= */

:root {
  --ink: #1e293b;
  --ink-soft: #475569;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-soft: #eef2f7;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --bg: #eef2f7;
  --brand: #1d4ed8;
  --brand-dark: #1e40af;
  --brand-soft: #dbeafe;
  --teal: #0f766e;
  --danger: #b91c1c;
  --danger-bg: #fef2f2;
  --danger-line: #fecaca;
  --ok: #15803d;
  --ok-bg: #f0fdf4;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .08);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 1.5rem; font-weight: 700; margin: 0 0 1rem; letter-spacing: -.01em; }

/* ---------- Header banner ---------- */
.topnav {
  background:
    linear-gradient(90deg, rgba(15, 23, 42, .55), rgba(15, 23, 42, .15)),
    url(/time_demo/images/header-bg.png); center/cover no-repeat;
  color: #fff;
  padding: 1.4rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  box-shadow: var(--shadow);
}
.topnav a { color: #fff; font-weight: 700; font-size: 1.05rem; letter-spacing: -.01em; }
.topnav a:hover { text-decoration: none; opacity: .85; }

/* ---------- Dual clock ---------- */
.clock {
  font-family: var(--mono);
  font-size: .82rem;
  color: #e2e8f0;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  padding: .35rem .9rem;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: inline-flex;
  align-items: center;
}
.clock .clock-label { font-weight: 700; color: #fff; }
.clock .clock-sep { margin: 0 .6rem; color: rgba(255, 255, 255, .4); }
.clock .clock-val { color: #f1f5f9; }
.clock .clock-abbr {
  color: #a5f3fc;
  font-weight: 700;
  margin-left: .35rem;
  padding-left: .35rem;
  border-left: 1px solid rgba(255, 255, 255, .25);
}
.clock-part { display: inline-flex; align-items: center; }

/* ---------- Container ---------- */
.container { max-width: 960px; margin: 1.5rem auto 3rem; padding: 0 1rem; }

/* ---------- Cards ---------- */
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

/* ---------- Notice / flash ---------- */
#notice {
  background: var(--ok-bg);
  color: var(--ok);
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-sm);
  padding: .7rem 1rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

/* ---------- Timezone-mismatch warning (VPN / cross-zone) ---------- */
.tz-warning {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
  border-left: 4px solid #f59e0b;
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  margin-bottom: 1rem;
  font-size: .92rem;
  box-shadow: var(--shadow-sm);
}
.tz-warning code {
  font-family: var(--mono);
  background: rgba(146, 64, 14, .1);
  padding: .05rem .35rem;
  border-radius: 4px;
}

/* ---------- Forms ---------- */
.field { margin-bottom: 1.1rem; }
.field .label, .field label.label {
  display: block;
  font-weight: 600;
  margin-bottom: .35rem;
  color: var(--ink-soft);
  font-size: .92rem;
}
.field input[type="text"],
.field input[type="date"],
.field input[type="time"] {
  width: 100%;
  padding: .6rem .8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: .98rem;
  background: var(--surface-2);
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.field input[type="text"]:focus,
.field input[type="date"]:focus,
.field input[type="time"]:focus {
  outline: none;
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 3px var(--brand-soft);
}

/* ---------- Datetime picker widget ---------- */
.datetime-widget .dt-controls { display: flex; gap: .6rem; align-items: stretch; flex-wrap: wrap; }
.datetime-widget .dt-controls input[type="date"],
.datetime-widget .dt-controls input[type="time"] { flex: 1 1 10rem; min-width: 9rem; }
.datetime-widget .dt-preview {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--muted);
  margin-top: .45rem;
  background: var(--surface-2);
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  padding: .4rem .6rem;
}

/* ---------- Buttons ---------- */
.actions { margin-top: 1.25rem; display: flex; gap: .6rem; align-items: center; }
button, .actions input[type="submit"] {
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--brand);
  border: 0;
  border-radius: var(--radius-sm);
  padding: .6rem 1.2rem;
  cursor: pointer;
  transition: background .15s, transform .05s, box-shadow .15s;
  box-shadow: var(--shadow-sm);
}
button:hover, .actions input[type="submit"]:hover { background: var(--brand-dark); }
button:active, .actions input[type="submit"]:active { transform: translateY(1px); }

a.button, .btn {
  display: inline-block;
  font-weight: 600;
  color: #fff;
  background: var(--brand);
  border-radius: var(--radius-sm);
  padding: .55rem 1.1rem;
  box-shadow: var(--shadow-sm);
  transition: background .15s;
}
a.button:hover, .btn:hover { background: var(--brand-dark); text-decoration: none; }

.btn-secondary {
  background: #fff;
  color: var(--ink-soft);
  border: 1px solid var(--line);
}
.btn-secondary:hover { background: var(--surface-2); }

.btn-danger {
  background: var(--danger);
  padding: .45rem .8rem;
  font-size: .85rem;
}
.btn-danger:hover { background: #991b1b; }

/* ---------- Table ---------- */
table { border-collapse: collapse; width: 100%; }
thead th {
  text-align: left;
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
  background: var(--surface-2);
  padding: .7rem .8rem;
  border-bottom: 2px solid var(--line);
}
tbody td { padding: .75rem .8rem; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
tbody tr { transition: background .1s; }
tbody tr:hover { background: var(--surface-2); }
tbody tr:last-child td { border-bottom: 0; }

/* ---------- Show page ---------- */
.detail { display: grid; gap: .8rem; }
.detail p { margin: 0; }
.detail .detail-label {
  display: block;
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
  margin-bottom: .15rem;
}
.detail .detail-value { font-size: 1.02rem; color: var(--ink); }

/* ---------- Localized timestamp ---------- */
.dt-local { font-family: var(--mono); font-size: .95rem; color: var(--ink); cursor: help; }

/* ---------- Errors ---------- */
#error_explanation {
  color: var(--danger);
  background: var(--danger-bg);
  border: 1px solid var(--danger-line);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  margin-bottom: 1rem;
}
#error_explanation h2 { margin: 0 0 .4rem; font-size: .95rem; }
#error_explanation ul { margin: 0; padding-left: 1.2rem; }

/* ---------- Misc ---------- */
hr { border: 0; border-top: 1px solid var(--line); margin: 1.25rem 0; }
.text-muted { color: var(--muted); }
.mono { font-family: var(--mono); }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .topnav { flex-direction: column; align-items: flex-start; }
  .datetime-widget .dt-controls { flex-direction: column; }
  .datetime-widget .dt-controls input { width: 100%; }
  thead th, tbody td { padding: .55rem .5rem; }
}

/* ---------- Row action buttons ----------
   button_to renders a <form class="button_to"> wrapper (block-level), which
   breaks the flex row, so force it to be an inline flex item. */
.row-actions {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-end;
  align-items: center;
  gap: .4rem;
}
.row-actions .btn { margin-left: 0; }
.row-actions form.button_to {
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 0;
}

/* ---------- Alert flash (red variant) ---------- */
#notice.alert {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger-line);
}