/* ---------------- GLOBAL ---------------- */
:root {
  --bg: #020617;
  --bg-grad: radial-gradient(circle at top left, #1d2440 0, #020617 55%);
  --card-bg: rgba(15,23,42,0.92);
  --card-border: rgba(148,163,184,0.2);
  --accent: #6366f1;
  --accent-soft: rgba(99,102,241,0.3);
  --text-main: #e5e7eb;
  --text-muted: #9ca3af;
  --danger: #f97373;
  --success: #22c55e;
  --warning: #eab308;

  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-strong: 0 20px 60px rgba(0,0,0,0.7);
  --shadow-soft: 0 10px 30px rgba(15,23,42,0.65);

  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-main);
  background: var(--bg);
  background-image: var(--bg-grad);
  color: var(--text-main);
}

/* ---------------- LOGIN PAGE ---------------- */
.login-page {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.login-wrapper {
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.login-header h1 {
  font-size: 2rem;
  margin-bottom: 4px;
  background: linear-gradient(120deg, #fff, #a855f7, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.login-header p {
  margin: 0 0 20px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.login-box {
  margin-top: 10px;
  padding: 28px 22px 24px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-strong);
  backdrop-filter: blur(20px);
}

.field {
  text-align: left;
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148,163,184,0.3);
  background: rgba(15,23,42,0.9);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: border 0.2s, box-shadow 0.2s, background 0.2s;
}

.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
  background: rgba(15,23,42,1);
}

.password-field {
  position: relative;
}

.icon-button {
  position: absolute;
  right: 8px;
  top: 27px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  font-size: 1.1rem;
}

.icon-button:hover {
  color: #e5e7eb;
}

.primary-btn {
  width: 100%;
  padding: 13px 16px;
  margin-top: 8px;
  border-radius: var(--radius-md);
  border: none;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: white;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(79,70,229,0.6);
  transition: transform 0.15s ease-out, box-shadow 0.15s ease-out, filter 0.15s;
}

.primary-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 18px 45px rgba(79,70,229,0.7);
}

.primary-btn:active {
  transform: translateY(1px) scale(0.99);
  box-shadow: 0 6px 18px rgba(79,70,229,0.5);
}

.login-error {
  min-height: 18px;
  margin-top: 10px;
  font-size: 0.86rem;
  color: var(--danger);
}

/* ---------------- DASHBOARD LAYOUT ---------------- */
.dashboard-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top-bar {
  max-width: 1120px;
  margin: 16px auto 0;
  padding: 10px 18px 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.welcome {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.welcome-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.welcome-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.welcome-user {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.welcome-user b {
  color: var(--success);
}

.logout-chip {
  border-radius: 999px;
  border: 1px solid rgba(248,113,113,0.3);
  background: rgba(24,24,27,0.6);
  color: #fecaca;
  padding: 6px 14px;
  font-size: 0.8rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.logout-chip:hover {
  background: rgba(248,113,113,0.25);
}

/* ---------------- TABS NAV ---------------- */
.tabs-nav {
  max-width: 1120px;
  margin: 4px auto 8px;
  padding: 0 18px 12px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.tabs-nav::-webkit-scrollbar { display: none; }

.tabs-nav button {
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.3);
  background: rgba(15,23,42,0.9);
  color: var(--text-muted);
  padding: 7px 16px;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  flex: 0 0 auto;          /* lepší chování v horizontálním scrollu */
  transition: background 0.2s, color 0.2s, border 0.2s, box-shadow 0.2s;
}

/* úzké telefony: dovolíme zalomení do dvou řad */
@media (max-width: 480px) {
  .tabs-nav {
    flex-wrap: wrap;
    overflow-x: visible;
  }
  .tabs-nav button {
    flex: 1 1 calc(50% - 10px);
    text-align: center;
  }
}

.tabs-nav button:hover {
  background: rgba(30,64,175,0.7);
  color: #e5e7eb;
}

.tabs-nav button.active {
  border-color: var(--accent);
  background: rgba(37,99,235,0.9);
  color: #e5e7eb;
  box-shadow: 0 8px 25px rgba(37,99,235,0.75);
}

/* ---------------- CONTENT & CARDS ---------------- */
.content {
  max-width: 1120px;
  margin: 0 auto 30px;
  padding: 0 18px 24px;
}

.tab {
  display: none;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  padding: 20px 18px 18px;
  margin-top: 12px;
  box-shadow: var(--shadow-soft);
}

h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #e5e7eb;
}

.card-body {
  font-size: 0.95rem;
  color: var(--text-main);
}

.muted {
  color: var(--text-muted);
}

.center {
  text-align: center;
}

/* ---------------- TABLES ---------------- */
.table-wrapper {
  margin-top: 8px;
  overflow-x: auto;
  position: relative;
}

/* malý gradientový stín vpravo – naznačuje scroll */
.table-wrapper::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 18px;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(to left, rgba(15,23,42,1), transparent);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
  font-size: 0.9rem;
}

thead {
  background: rgba(15,23,42,0.9);
}

th, td {
  padding: 10px 10px;
  border-bottom: 1px solid rgba(30,64,175,0.5);
}

th {
  text-align: left;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

tbody tr:hover td {
  background: rgba(15,23,42,0.95);
}

.amount {
  color: var(--success);
  font-weight: 700;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* ---------------- BADGES ---------------- */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge.success {
  background: rgba(22,163,74,0.16);
  color: #4ade80;
}

.badge.warning {
  background: rgba(234,179,8,0.18);
  color: #facc15;
}

/* ---------------- FILTER ROW (DOCHÁZKA) ---------------- */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
  margin-bottom: 12px;
}

.filter-field {
  display: flex;
  flex-direction: column;
  min-width: 140px;
  flex: 1 1 140px;
}

.filter-field label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.filter-field input[type="date"] {
  padding: 6px 8px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.4);
  background: rgba(15,23,42,0.9);
  color: var(--text-main);
  font-size: 0.8rem;
  outline: none;
}

.filter-field input[type="date"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.filter-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
}

.secondary-btn,
.ghost-btn {
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.8rem;
  cursor: pointer;
  border: 1px solid transparent;
  background: none;
  color: var(--text-main);
}

.secondary-btn {
  background: rgba(37,99,235,0.9);
  border-color: rgba(37,99,235,1);
}

.secondary-btn:hover {
  filter: brightness(1.05);
}

.ghost-btn {
  border-color: rgba(148,163,184,0.6);
  color: var(--text-muted);
}

.ghost-btn:hover {
  border-color: var(--accent);
  color: var(--text-main);
}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 640px) {
  .login-box {
    padding: 22px 16px 20px;
  }
  .top-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .logout-chip {
    align-self: flex-end;
  }
  table {
    min-width: 360px;
    font-size: 0.8rem;
  }
  th, td {
    padding: 8px 6px;
  }
  .filter-row {
    gap: 8px;
  }
  .filter-buttons {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 420px) {
  table {
    min-width: 320px;
    font-size: 0.78rem;
  }
  th, td {
    padding: 6px 4px;
  }
}