:root {
  --main-red: #d11d2c;
  --dark-red: #a01623;
  --black: #1a1a1a;
  --gray: #f5f5f5;
  --white: #ffffff;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  background-color: var(--gray);
  color: var(--black);
}

header {
  background-color: var(--black);
  color: var(--white);
  padding: 1rem;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--white);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 0.3rem;
}

nav a:hover {
  background-color: var(--main-red);
}

.container {
  padding: 2rem;
}

h1 {
  color: var(--main-red);
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--white);
}

th, td {
  border: 1px solid #ccc;
  padding: 0.75rem;
  text-align: left;
}

th {
  background-color: var(--dark-red);
  color: var(--white);
}

button {
  background-color: var(--main-red);
  color: var(--white);
  border: none;
  padding: 0.5rem 1rem;
  margin-right: 0.5rem;
  cursor: pointer;
  border-radius: 0.3rem;
}

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

input[type="text"],
input[type="email"],
input[type="name"],
input[type="password"],
input[type="date"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  font-family: inherit;
  margin-bottom: 1rem;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
textarea:focus,
select:focus {
  border-color: #e60000; /* červená KB */
  outline: none;
  box-shadow: 0 0 0 2px rgba(230, 0, 0, 0.2);
}

/* Regular page */
.regular-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.regular-page footer {
  margin-top: auto;
  padding: 0.1rem;
  background-color: #e60000;
  color: white;
  text-align: center;
  font-size: 0.875rem;
}

.regular-page footer a {
  color: white;
  text-decoration: none;
}

.regular-page footer a:hover {
  text-decoration: underline;
}

/* Center page - login, register and error */
.center-page {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: var(--gray);
}

.login-container {
  width: 100%;
  max-width: 400px;
  background-color: var(--white);
  padding: 2rem;
  border-radius: 0.5rem;
  border: 2px solid var(--main-red);
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

.login-container h2 {
  text-align: center;
  color: var(--main-red);
  margin-bottom: 1.5rem;
}

.login-container input {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 0.3rem;
}

.login-container button {
  width: 100%;
  background-color: var(--main-red);
  color: var(--white);
  border: none;
  padding: 0.75rem;
  border-radius: 0.3rem;
  cursor: pointer;
  font-size: 1rem;
}

.login-container button:hover {
  background-color: var(--dark-red);
}

.login-container p {
  text-align: center;
  margin-top: 1rem;
}

.login-container a {
  color: var(--main-red);
  text-decoration: none;
}

.login-container a:hover {
  text-decoration: underline;
}

/* Error page */
.error-page {
  max-width: 600px;
  margin: 4rem auto;
  background-color: var(--white);
  padding: 3rem;
  border-radius: 0.5rem;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.15);
  text-align: center;
}

.error-page h1 {
  font-size: 3rem;
  color: var(--main-red);
  margin-bottom: 1rem;
}

.error-page p {
  font-size: 1.2rem;
}

/* General error */
.error-message {
  background-color: #ffe5e5;
  color: #a30000;
  border: 1px solid #f5c2c2;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  border-radius: 6px;
  font-weight: 500;
}

/* Payments */
select.payment-select {
  width: 30ex
}