/* === Shell Tank Bot — Mini App === */

:root {
  /* Shell brand */
  --shell-yellow: #FFD500;
  --shell-yellow-2: #FFE45C;
  --shell-red: #DD1D21;
  --shell-red-2: #B71418;

  /* Theme-aware (light defaults; Telegram WebApp variables override) */
  --bg: var(--tg-theme-bg-color, #f6f7fb);
  --fg: var(--tg-theme-text-color, #1c1c1e);
  --hint: var(--tg-theme-hint-color, #6e6e73);
  --link: var(--tg-theme-link-color, #1976d2);
  --secondary-bg: var(--tg-theme-secondary-bg-color, #ffffff);
  --border: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);

  /* Semantic */
  --primary: var(--shell-yellow);
  --primary-fg: #1a1a1a;
  --danger: var(--shell-red);
  --success: #16a34a;
  --warn: #f59e0b;
  --info: #1976d2;

  --vpd-color: #ff7b00;       /* motorin – sıcak amber */
  --vpd-bg: rgba(255, 123, 0, 0.12);
  --vpk-color: #2563eb;       /* benzin – mavi */
  --vpk-bg: rgba(37, 99, 235, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d0f14;
    --fg: #f5f5f7;
    --hint: #9ba1a8;
    --link: #4ea3ff;
    --secondary-bg: #161a22;
    --border: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.5);
    --vpd-bg: rgba(255, 123, 0, 0.18);
    --vpk-bg: rgba(37, 99, 235, 0.22);
  }
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === Header — Shell yellow strip + clean nav === */
header {
  background: var(--secondary-bg);
  position: sticky; top: 0; z-index: 10;
  border-bottom: 1px solid var(--border);
}
header::before {
  content: "";
  display: block; height: 3px;
  background: linear-gradient(90deg,
    var(--shell-red) 0%, var(--shell-red) 18%,
    var(--shell-yellow) 18%, var(--shell-yellow) 82%,
    var(--shell-red) 82%, var(--shell-red) 100%);
}
.top {
  display: flex; justify-content: space-between; align-items: center;
  gap: 8px; padding: 14px 16px 8px;
}
h1 { font-size: 19px; margin: 0; letter-spacing: -0.01em; }
.me {
  font-size: 12px; color: var(--hint); font-weight: 500;
  background: var(--bg);
  padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--border);
}

.tabs {
  display: flex; gap: 2px; padding: 0 8px;
  overflow-x: auto;
}
.tab {
  background: transparent; color: var(--hint);
  border: 0; padding: 12px 16px; cursor: pointer;
  border-bottom: 3px solid transparent; font-size: 14px; font-weight: 500;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.tab:hover { color: var(--fg); }
.tab.active {
  color: var(--fg); font-weight: 700;
  border-bottom-color: var(--shell-yellow);
}

main { padding: 14px 16px 80px; max-width: 760px; margin: 0 auto; }
.tab-panel { display: none; animation: fadeIn 0.2s ease; }
.tab-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* === Buttons === */
button {
  font: inherit; cursor: pointer;
  border-radius: 10px; padding: 10px 16px;
  border: 1px solid var(--border);
  background: var(--secondary-bg); color: var(--fg);
  transition: all 0.15s ease;
  font-weight: 500;
}
button:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
button:active { transform: translateY(0); }
button:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

button.primary {
  background: var(--shell-yellow); color: var(--primary-fg);
  border-color: transparent; font-weight: 700;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.06);
}
button.primary:hover {
  background: var(--shell-yellow-2);
  box-shadow: 0 4px 12px rgba(255, 213, 0, 0.35);
}
button.ghost { background: transparent; }
button.danger {
  background: var(--shell-red); color: #fff;
  border-color: transparent; font-weight: 600;
}
button.danger:hover {
  background: var(--shell-red-2);
  box-shadow: 0 4px 12px rgba(221, 29, 33, 0.3);
}

/* === Inputs === */
label {
  display: block; margin: 12px 0 6px;
  color: var(--hint); font-size: 13px; font-weight: 500;
}
input[type=text], input[type=number], input[type=password], select, textarea {
  display: block; width: 100%;
  padding: 11px 13px; border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--secondary-bg); color: var(--fg);
  font-family: inherit;
  font-size: 16px;  /* iOS Safari zoom-on-focus engellemek için ≥16px */
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus, textarea:focus {
  outline: 0;
  border-color: var(--shell-yellow);
  box-shadow: 0 0 0 3px rgba(255, 213, 0, 0.18);
}
textarea { resize: vertical; min-height: 64px; }

.qty { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.qty input { flex: 1 0 120px; max-width: 180px; }
.qty button { padding: 8px 12px; font-size: 13px; }

/* === Cards (with Shell yellow accent strip) === */
.card {
  background: var(--secondary-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 14px 14px 18px;
  margin: 12px 0;
  box-shadow: var(--shadow-sm);
  position: relative; overflow: hidden;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.card:hover { box-shadow: var(--shadow-md); }
.card::before {
  content: ""; position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--shell-yellow), var(--shell-red));
  border-radius: 4px 0 0 4px;
}
.card h3 { margin: 0 0 8px; font-size: 16px; letter-spacing: -0.01em; }
.card .row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.muted { color: var(--hint); font-size: 12px; line-height: 1.5; }
.small { font-size: 12px; }

/* === Tags === */
.tag {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 999px;
  background: var(--bg);
  color: var(--hint); font-size: 12px; font-weight: 500;
  margin: 2px;
}
.tag.warn { background: var(--vpd-bg); color: var(--vpd-color); }
.tag.danger { background: rgba(221, 29, 33, 0.14); color: var(--shell-red); }
.tag.success { background: rgba(22, 163, 74, 0.16); color: var(--success); }
.tag.info { background: var(--vpk-bg); color: var(--vpk-color); }

.row { display: flex; gap: 8px; flex-wrap: wrap; }
.hidden { display: none !important; }

/* === Order — totals box === */
.totals-final {
  background: var(--secondary-bg);
  border: 2px solid var(--shell-yellow);
  border-radius: 14px;
  padding: 16px;
  margin: 16px 0;
  box-shadow: 0 0 0 4px rgba(255, 213, 0, 0.12);
}
.totals-final .small { font-size: 12px; margin-bottom: 10px; color: var(--hint); }
.total-row {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 8px 0; font-size: 14px;
}
.total-row .t-label {
  display: inline-block; min-width: 50px; font-weight: 800;
  padding: 5px 10px; border-radius: 8px; font-size: 12px; text-align: center;
  letter-spacing: 0.03em;
}
.total-row.vpd .t-label { background: var(--vpd-bg); color: var(--vpd-color); }
.total-row.vpk .t-label { background: var(--vpk-bg); color: var(--vpk-color); }
.total-row input {
  max-width: 140px; flex: 0 0 auto; text-align: right;
  font-weight: 600; font-variant-numeric: tabular-nums;
}
.total-row .lt { color: var(--hint); margin-left: -2px; font-size: 13px; }
.total-row .arrow { color: var(--hint); margin: 0 4px; font-size: 16px; }
.total-row .kg {
  font-weight: 700; min-width: 96px;
  font-variant-numeric: tabular-nums; letter-spacing: -0.01em;
}
.total-row .hint { color: var(--hint); font-size: 11px; }
.total-row.vpd .kg { color: var(--vpd-color); }
.total-row.vpk .kg { color: var(--vpk-color); }
.total-row.sum {
  margin-top: 8px; padding-top: 12px;
  border-top: 1px dashed var(--border);
  font-size: 15px; font-weight: 700;
  justify-content: space-between;
}
.total-row.sum span:last-child {
  color: var(--shell-red); font-size: 18px;
  font-variant-numeric: tabular-nums;
}
.qty-row.compact { padding: 0 0 8px; margin-left: 60px; display: flex; gap: 4px; flex-wrap: wrap; }
.qty-row.compact button { padding: 5px 10px; font-size: 11px; border-radius: 6px; }

/* === Compartments === */
.comps {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 4px 0 8px; min-height: 32px;
}
.comp {
  cursor: pointer; user-select: none;
  padding: 8px 12px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--secondary-bg);
  font-size: 14px; display: inline-flex; align-items: center; gap: 6px;
  transition: all 0.15s ease;
  font-variant-numeric: tabular-nums;
}
.comp:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.comp .fuel {
  font-size: 11px; padding: 2px 7px; border-radius: 5px;
  font-weight: 700; letter-spacing: 0.02em;
}
.comp.vpd .fuel { background: var(--vpd-bg); color: var(--vpd-color); }
.comp.vpk .fuel { background: var(--vpk-bg); color: var(--vpk-color); }
.comp.filled.vpd { background: var(--vpd-color); color: #fff; border-color: transparent; }
.comp.filled.vpk { background: var(--vpk-color); color: #fff; border-color: transparent; }
.comp.filled .fuel { background: rgba(255, 255, 255, 0.25); color: inherit; }
.comp .x { margin-left: 4px; opacity: 0.7; font-size: 11px; }
.comp.empty-slot { padding: 6px 8px; background: var(--bg); }
.comp .size-lbl { font-weight: 700; margin-right: 4px; }
.comp button.tiny {
  padding: 4px 11px; font-size: 11px; border-radius: 6px;
  font-weight: 700; letter-spacing: 0.03em;
}
.comp .tiny:nth-of-type(1) {
  background: var(--vpd-bg); color: var(--vpd-color); border-color: transparent;
}
.comp .tiny:nth-of-type(1):hover { background: var(--vpd-color); color: #fff; }
.comp .tiny:nth-of-type(2) {
  background: var(--vpk-bg); color: var(--vpk-color); border-color: transparent;
}
.comp .tiny:nth-of-type(2):hover { background: var(--vpk-color); color: #fff; }

/* === Order status panel === */
#order-status {
  background: var(--secondary-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px; margin-top: 14px;
  box-shadow: var(--shadow-md);
}
#order-status .badge { font-weight: 700; margin-bottom: 6px; font-size: 16px; }
#order-status .msg {
  color: var(--hint); margin-bottom: 10px;
  white-space: pre-wrap; word-break: break-word;
}
#order-status .actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
#o-shot { width: 100%; border-radius: 10px; margin-top: 10px; box-shadow: var(--shadow-sm); }

pre {
  background: #0a0a0a; color: #d8d8d8;
  padding: 12px; border-radius: 8px; overflow: auto;
  max-height: 400px; font-size: 11px; line-height: 1.45;
  font-family: "SF Mono", Monaco, Menlo, Consolas, monospace;
}

/* === Modal === */
.modal {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: grid; place-items: center;
  z-index: 100; padding: 12px;
  animation: fadeIn 0.15s ease;
  backdrop-filter: blur(2px);
}
.modal-body {
  background: var(--secondary-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0;
  width: 100%; max-width: 520px;
  max-height: 90vh;
  display: flex; flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.2s ease;
}
.modal-head { padding: 16px 20px; }
#modal-content {
  padding: 0 20px 16px; flex: 1 1 auto; overflow: auto;
}
.modal-actions {
  position: sticky; bottom: 0;
  padding: 12px 20px; border-top: 1px solid var(--border);
  background: var(--secondary-bg);
  display: flex; gap: 8px; flex-wrap: wrap;
  border-radius: 0 0 16px 16px;
}
.modal-actions button { flex: 1 1 auto; min-width: 100px; }
@keyframes slideUp { from { transform: translateY(12px); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
  padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.modal-head h2 { font-size: 18px; margin: 0; letter-spacing: -0.01em; }

/* === Checks (multi-select chips) === */
.checks { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px 0; }
.check {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border: 1px solid var(--border);
  border-radius: 999px; font-size: 13px;
  cursor: pointer; user-select: none;
  background: var(--secondary-bg);
  transition: all 0.15s ease;
}
.check:hover { border-color: var(--shell-yellow); }
.check input { display: none; }
.check.on {
  background: var(--shell-yellow); color: var(--primary-fg);
  border-color: transparent; font-weight: 700;
  box-shadow: 0 2px 6px rgba(255, 213, 0, 0.3);
}

.empty {
  color: var(--hint); padding: 28px 14px; text-align: center;
  font-size: 14px;
  background: var(--secondary-bg);
  border: 1px dashed var(--border);
  border-radius: 12px;
}