:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #142033;
  --text-secondary: #2c3b52;
  --accent: #c77f28;
  --button: #d9a050;
  --button-hover: #c77f28;
  --on-button: #001e4f;
  --ink: #001e4f;
  --navy: #00163a;
  --border: rgba(0, 30, 79, 0.28);
  --table-header: #00163a;
  --table-stripe: #f7f4ee;
  --alert: #8a2a1a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  color-scheme: light;
  font-family: "Segoe UI", Arial, sans-serif;
}

/* Kapka je výřez z logo.png, plné krytí, stejné barvy jako v logu. */
body:not(.landing) {
  overflow-x: clip;
}

body:not(.landing)::before {
  content: "";
  position: fixed;
  z-index: 0;
  right: -3vw;
  bottom: -6vh;
  width: min(46vw, 480px);
  aspect-ratio: 207 / 372;
  pointer-events: none;
  opacity: 1;
  background: url("/landing/logo-drop.png") center / contain no-repeat;
}

@media (max-width: 1099px) {
  body:not(.landing)::before {
    display: none;
  }
}

/* Kapka v pravém prázdném pruhu, obsah zůstává vlevo od ní. */
@media (min-width: 1100px) {
  body:not(.landing) {
    --drop-w: min(18vw, 240px);
  }

  body:not(.landing)::before {
    top: 5.25rem;
    right: 1rem;
    bottom: auto;
    width: var(--drop-w);
  }

  body:not(.landing) header,
  body:not(.landing) .erp-sections,
  body:not(.landing) .section-title,
  body:not(.landing) form,
  body:not(.landing) section,
  body:not(.landing) #message,
  body:not(.landing) .tabs {
    width: min(1180px, calc(100% - var(--drop-w) - 2.75rem));
    margin-left: 1rem;
    margin-right: calc(var(--drop-w) + 1.5rem);
  }

  body:not(.landing) header.login-bar,
  body:not(.landing) .login-card {
    width: min(420px, calc(100% - var(--drop-w) - 3rem));
    margin-left: max(1rem, calc((100% - var(--drop-w) - 420px - 2.5rem) / 2));
    margin-right: calc(var(--drop-w) + 1.25rem);
  }
}

body:not(.landing) > * {
  position: relative;
  z-index: 1;
}

header, form, section {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.1rem 0 0.85rem;
  border-bottom: 3px solid var(--accent);
}

body:not(.landing) > header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: #ffffff;
}

header.login-bar {
  width: min(420px, calc(100% - 2rem));
  align-items: center;
  padding-top: 1.6rem;
}

header.login-bar + .login-card {
  margin-top: 1.25rem;
}

.brand {
  margin: 0;
  letter-spacing: 0.08em;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--navy);
}

a.brand {
  display: inline-block;
  text-decoration: none;
  border-radius: 4px;
}

a.brand:hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

a.brand:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.brand span { color: var(--accent); }

.site-back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.85rem 0 0.15rem;
  margin-right: 0.1rem;
  border-right: 1px solid var(--accent);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
  white-space: nowrap;
}

.site-back:hover,
.site-back:focus-visible {
  color: var(--navy);
  text-decoration-color: var(--navy);
}

.site-back:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

h1, h2 { margin: 0.15rem 0 0; color: var(--navy); }

h1 { font-size: 1.7rem; }

h2 { margin-bottom: 0.8rem; font-size: 1.05rem; }

.header-actions {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  margin-left: auto;
}

.module-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  align-items: center;
  font-size: 0.78rem;
  line-height: 1.2;
}

.module-links a,
.module-links [aria-current="page"] {
  font-weight: 600;
}

.module-links a {
  color: var(--ink);
  text-decoration: none;
}

.module-links a:hover,
.module-links a:focus-visible {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
}

.module-links [aria-current="page"] {
  color: var(--on-button);
  background: var(--button);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font-weight: 800;
  cursor: default;
}

.header-actions button {
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  font-weight: 700;
}

.header-actions button:hover {
  background: var(--button);
  color: var(--on-button);
}

.erp-sections {
  width: min(1180px, calc(100% - 2rem));
  margin: 0.35rem auto 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.erp-sections a {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font-size: 0.88rem;
  font-weight: 700;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border);
}

.erp-sections a[aria-current="page"] {
  background: var(--button);
  color: var(--on-button);
  border-color: var(--accent);
}

.erp-sections a:hover {
  background: var(--button-hover);
  color: var(--on-button);
  border-color: var(--button-hover);
}

.module-links a:focus-visible,
.erp-sections a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.section-title {
  width: min(1180px, calc(100% - 2rem));
  margin: 0.15rem auto 0.8rem;
  font-size: 1.35rem;
  font-weight: 700;
  background: #ffffff;
}

.erp-sections,
#message {
  background: #ffffff;
}

.section-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.1rem 1.15rem;
}

.section-panel .section-title {
  width: auto;
  margin: 0 0 0.45rem;
}

.section-placeholder {
  margin: 0;
  color: var(--text-secondary);
}

.login-card {
  width: min(420px, calc(100% - 2rem));
  margin: 8vh auto 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.4rem;
}

.login-card form {
  width: auto;
  display: grid;
  margin: 0;
  padding: 1rem 0 0;
  background: transparent;
  border: 0;
}

.login-card input { width: 100%; }

.login-card button { width: 100%; }

form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: end;
  margin-bottom: 1rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}

label {
  display: grid;
  gap: 0.25rem;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
}

input, select, button {
  font: inherit;
  border-radius: 10px;
}

input, select {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.45rem 0.55rem;
  color: var(--text);
}

select {
  min-width: min(16rem, 100%);
  max-width: 24rem;
}

select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  border: 0;
  background: var(--button);
  color: var(--on-button);
  font-weight: 700;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
}

button:hover {
  background: var(--button-hover);
  color: var(--on-button);
}

button.ghost {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--accent);
}

button.ghost:hover {
  background: var(--button);
  color: var(--on-button);
}

#message {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
  color: var(--alert);
  font-weight: 700;
}

.cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.7rem;
}

.cards article, #chart-wrap, #table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.cards article { padding: 0.85rem 0.9rem 1rem; }

.cards span {
  display: block;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
}

.cards strong {
  display: block;
  margin-top: 0.35rem;
  font-size: 1.25rem;
}

.cards .alert strong { color: var(--alert); }

section { margin-bottom: 1rem; }

#chart-wrap, #table-wrap { padding: 1rem; }

.bar {
  display: grid;
  grid-template-columns: 4.5rem 1fr auto;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 0.45rem;
  font-size: 0.86rem;
}

.bar i {
  display: block;
  height: 0.7rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--button-hover));
}

.table-scroll { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }

th, td { padding: 0.55rem 0.45rem; border-bottom: 1px solid var(--border); text-align: left; }

th {
  background: var(--table-header);
  color: #ffffff;
  font-size: 0.75rem;
  border-bottom: 3px solid var(--button);
}

tbody tr:nth-child(even) { background: var(--table-stripe); }

.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }

.pill {
  display: inline-block;
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  background: #f8efe0;
  color: var(--ink);
  border: 1px solid var(--accent);
}

.login-card a {
  color: var(--ink);
  font-weight: 700;
  text-decoration-color: var(--accent);
  text-underline-offset: 0.15em;
}

.pill.warn { background: #f8ece8; color: var(--alert); }
.pill.ok { background: #e8f4ea; color: #1d6b32; }

@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr 1fr; }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .site-back {
    border-right: 0;
    padding-right: 0.15rem;
    margin-right: 0;
  }
}