@import url("https://fonts.googleapis.com/css2?family=Sora:wght@500;600;700&family=Source+Sans+3:wght@400;500;600;700&display=swap");

* {
  box-sizing: border-box;
}

:root {
  --bg: #f2f6f6;
  --bg-soft: #e8efed;
  --bg-glow-1: rgba(54, 131, 109, 0.2);
  --bg-glow-2: rgba(53, 130, 196, 0.16);
  --surface: #ffffff;
  --surface-soft: #f8fbfa;
  --ink: #102119;
  --ink-soft: #1f332a;
  --muted: #61756d;
  --primary: #128163;
  --primary-strong: #0b664e;
  --primary-soft: #dcf2ea;
  --link-hover: #0b664e;
  --accent: #c46d24;
  --border: #d6e3dd;
  --border-strong: #c0d2c9;
  --topbar-bg: rgba(255, 255, 255, 0.82);
  --table-row-border: #e7efec;
  --table-row-hover: #f5faf8;
  --field-bg: #ffffff;
  --field-bg-focus: #fcfffe;
  --ghost-border: #bfd9cd;
  --alert-bg: #fff5f5;
  --alert-border: #ffd4d2;
  --alert-ink: #9a2b2b;
  --notice-bg: #edf9f3;
  --notice-border: #c8e8d8;
  --notice-ink: #115d41;
  --radius: 16px;
  --radius-soft: 12px;
  --shadow: 0 16px 36px rgba(16, 33, 25, 0.12);
  --shadow-soft: 0 8px 22px rgba(16, 33, 25, 0.08);
}

html[data-theme="dark"],
:root[data-theme="dark"] {
  --bg: #0d171b;
  --bg-soft: #17232a;
  --bg-glow-1: rgba(19, 154, 116, 0.2);
  --bg-glow-2: rgba(59, 120, 182, 0.24);
  --surface: #0f2028;
  --surface-soft: #132833;
  --ink: #e8f2ef;
  --ink-soft: #d6e5df;
  --muted: #8ea49b;
  --primary: #32c49b;
  --primary-strong: #26a882;
  --primary-soft: rgba(50, 196, 155, 0.2);
  --link-hover: #62deb7;
  --accent: #f2b46b;
  --border: #26404a;
  --border-strong: #31515d;
  --topbar-bg: rgba(11, 23, 30, 0.8);
  --table-row-border: #1d323b;
  --table-row-hover: #142831;
  --field-bg: #0a171d;
  --field-bg-focus: #0e1e26;
  --ghost-border: #375865;
  --alert-bg: #401b1d;
  --alert-border: #6f2428;
  --alert-ink: #ffc9c9;
  --notice-bg: #13352a;
  --notice-border: #1d5a45;
  --notice-ink: #baf0d8;
  --shadow: 0 18px 42px rgba(3, 8, 11, 0.5);
  --shadow-soft: 0 10px 24px rgba(3, 8, 11, 0.38);
}

html[data-theme="dark"] {
  color-scheme: dark;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", Tahoma, sans-serif;
  line-height: 1.45;
  color: var(--ink);
  background:
    radial-gradient(1200px 640px at 12% -8%, var(--bg-glow-1) 0, transparent 58%),
    radial-gradient(960px 560px at 90% 2%, var(--bg-glow-2) 0, transparent 60%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg-soft) 100%);
}

a {
  color: var(--primary);
  text-underline-offset: 2px;
}

a:hover {
  color: var(--link-hover);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 24px;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.brand {
  font-family: "Sora", "Source Sans 3", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 16px;
  color: var(--ink-soft);
}

.nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.nav a {
  text-decoration: none;
  color: var(--ink-soft);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--ghost-border);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    transform 0.15s ease;
}

.nav a:hover {
  background: var(--primary-soft);
  border-color: color-mix(in srgb, var(--primary) 45%, var(--ghost-border) 55%);
  color: var(--primary-strong);
  transform: translateY(-1px);
}

.nav a:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--primary) 55%, var(--ghost-border) 45%);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent 82%);
}

.topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logout {
  margin-left: 0;
}

.theme-toggle {
  min-width: 176px;
  text-align: center;
}

.container {
  max-width: 1180px;
  margin: 26px auto 34px;
  padding: 0 18px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-header h1 {
  margin: 0;
  font-family: "Sora", "Source Sans 3", sans-serif;
  font-size: 27px;
  letter-spacing: -0.01em;
  color: var(--ink-soft);
}

.card {
  background: linear-gradient(160deg, var(--surface) 0%, var(--surface-soft) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-soft);
  animation: rise-in 0.35s ease both;
}

.card.narrow {
  max-width: 440px;
  margin: 64px auto;
}

.grid {
  display: grid;
  gap: 14px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid.stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two .card {
  margin-bottom: 0;
}

.label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.value {
  margin-top: 4px;
  font-family: "Sora", "Source Sans 3", sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--ink-soft);
}

.muted {
  font-size: 12px;
  color: var(--muted);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead th {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

tbody td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--table-row-border);
}

tbody tr:hover {
  background: var(--table-row-hover);
}

label {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--ink-soft);
}

input[type="text"],
input[type="password"],
input[type="number"],
textarea,
select {
  width: 100%;
  margin-top: 6px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius-soft);
  font-size: 14px;
  font-family: inherit;
  background: var(--field-bg);
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--primary) 52%, #ffffff 48%);
  background: var(--field-bg-focus);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent 78%);
}

textarea {
  resize: vertical;
  min-height: 92px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: linear-gradient(160deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #ffffff;
  padding: 9px 14px;
  border-radius: var(--radius-soft);
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
  font-family: "Sora", "Source Sans 3", sans-serif;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-soft);
  transition: transform 0.14s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

button:hover,
.button:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
  box-shadow: var(--shadow);
}

button:active,
.button:active {
  transform: translateY(0);
}

.button.ghost {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--ghost-border);
  box-shadow: none;
}

.button.ghost:hover {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.button.danger {
  background: linear-gradient(160deg, #dd5f5a 0%, #b8413d 100%);
  box-shadow: var(--shadow-soft);
}

.tag {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.tag-stock,
.tag-reserved,
.tag-warning {
  background: #fff4ce;
  border: 1px solid #ffe08a;
  color: #7a5200;
}

.tag-product,
.tag-free,
.tag-info {
  background: #e7f6ec;
  border: 1px solid #bfe7c8;
  color: #1c6b3b;
}

.tag-sold {
  background: #e6f0ff;
  border: 1px solid #b8d3ff;
  color: #1b4b9b;
}

.tag-used {
  background: #ffe7d6;
  border: 1px solid #ffc79e;
  color: #7a3a00;
}

.tag-bad,
.tag-error {
  background: #fff4f4;
  border: 1px solid #ffd4d4;
  color: #9b1b1b;
}

.filter {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
}

.filter label {
  margin-bottom: 0;
  min-width: 200px;
}

.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
}

.code-cell {
  word-break: break-word;
}

.stack {
  margin-top: 10px;
}

.alert {
  background: var(--alert-bg);
  border: 1px solid var(--alert-border);
  color: var(--alert-ink);
  padding: 10px 12px;
  border-radius: var(--radius-soft);
  margin-bottom: 16px;
}

.notice {
  background: var(--notice-bg);
  border: 1px solid var(--notice-border);
  color: var(--notice-ink);
  padding: 10px 12px;
  border-radius: var(--radius-soft);
  margin-bottom: 16px;
}

.helper {
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .topbar {
    flex-wrap: wrap;
    gap: 10px;
  }

  .topbar-actions {
    width: 100%;
    justify-content: space-between;
    margin-left: 0;
  }

  .nav {
    width: 100%;
  }

  .theme-toggle {
    min-width: 150px;
  }
}

@media (max-width: 760px) {
  .container {
    margin-top: 18px;
    padding: 0 12px;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .grid.two,
  .grid.three,
  .grid.four,
  .grid.stats {
    grid-template-columns: 1fr;
  }

  .filter label {
    min-width: 100%;
  }

  .pagination {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .theme-toggle {
    min-width: 0;
    width: 100%;
  }

  .logout {
    width: 100%;
  }

  .logout button {
    width: 100%;
  }
}