/*
 * =============================================================
 *  COMPONENTS — zdieľané UI prvky naprieč celým webom
 *  Tlačidlá, formuláre, karty, navigácia, pätička...
 * =============================================================
 */

/* ════════════════════════════════
   BUTTONS
   ════════════════════════════════ */

.btn {
  display: inline-block;
  padding: 13px 24px;
  font-family: var(--font-base);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.btn-full {
  display: block;
  width: 100%;
}

/* Primárne — žlté */
.btn-primary {
  background-color: var(--color-yellow);
  color: var(--color-white);
}
.btn-primary:hover {
  background-color: var(--color-yellow-hover);
  color: var(--color-white);
  text-decoration: none;
}

/* Sekundárne — fialové */
.btn-secondary {
  background-color: var(--color-purple);
  color: var(--color-white);
}
.btn-secondary:hover {
  background-color: var(--color-purple-dark);
  color: var(--color-white);
  text-decoration: none;
}

/* Outline fialové */
.btn-outline {
  background-color: transparent;
  color: var(--color-purple);
  border: 2px solid var(--color-purple);
}
.btn-outline:hover {
  background-color: var(--color-purple);
  color: var(--color-white);
  text-decoration: none;
}


/* ════════════════════════════════
   FORMS
   ════════════════════════════════ */

.form-field {
  margin-bottom: var(--space-sm);
}

.form-field label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-gray);
  margin-bottom: var(--space-xs);
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="password"],
.form-field input[type="search"],
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px 14px;
  background-color: var(--color-gray-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-base);
  font-size: var(--font-size-md);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background-color 0.15s;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #aaa;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--color-purple);
  box-shadow: 0 0 0 3px rgba(119, 79, 211, 0.12);
  background-color: var(--color-white);
}


/* ════════════════════════════════
   CARD
   ════════════════════════════════ */

.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg) var(--space-lg) var(--space-md);
}


/* ════════════════════════════════
   HEADER — členská sekcia (sticky)
   + hamburger menu pre mobile
   ════════════════════════════════ */

.cs-header {
  width: 100%;
  background: var(--color-white);
  border-bottom: 2px solid var(--color-purple-light);
  padding: 0 var(--space-md);
  /* Sticky — zostáva hore pri scrollovaní */
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 2px 10px rgba(0,0,0,0.07);
}

.cs-header__inner {
  max-width: var(--max-width-page);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--space-md);
}

.cs-header__logo {
  flex-shrink: 0;
  text-decoration: none;
}

.cs-header__logo img {
  max-width: 110px;
  width: auto;
  height: auto;
  max-height: 52px;
}

.cs-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  flex: 1;
  justify-content: center;
}

.cs-nav a {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-gray);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color 0.2s, background-color 0.2s;
}

.cs-nav a:hover,
.cs-nav a.active {
  color: var(--color-purple);
  background-color: var(--color-purple-light);
  text-decoration: none;
}

/* ── User dropdown menu ── */
.cs-user-menu {
  position: relative;
  flex-shrink: 0;
}

.cs-user-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffbb31;
  border: none;
  border-radius: 50%;
  width: 38px;
  height: 38px;
  cursor: pointer;
  color: #fff;
  transition: background-color 0.2s;
  flex-shrink: 0;
  padding: 0;
}

.cs-user-btn:hover {
  background-color: #e0a620;
}

.cs-user-btn svg {
  flex-shrink: 0;
  color: #fff;
}

.cs-user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  min-width: 160px;
  z-index: 300;
  overflow: hidden;
}

.cs-user-menu.is-open .cs-user-dropdown {
  display: block;
}

.cs-user-dropdown a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 500;
  color: #444;
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s;
}

.cs-user-dropdown a:hover {
  background-color: var(--color-purple-light, #f0ebff);
  color: var(--color-purple, #774FD3);
}

/* Logout v mobile menu */
.cs-mobile-logout {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background-color: #ffbb31;
  color: #ffffff !important;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.06em;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  margin-top: 4px;
}

.cs-mobile-logout:hover {
  background-color: #e0a620;
  color: #ffffff !important;
  text-decoration: none;
}

/* Pravá skupina — Web HD.cz + user ikona */
.cs-header__right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

/* Externý link — Web HD.cz */
.cs-header__external {
  flex-shrink: 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-gray);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color 0.2s, background-color 0.2s;
}

.cs-header__external:hover {
  color: var(--color-purple);
  background-color: var(--color-purple-light);
  text-decoration: none;
}


/* ════════════════════════════════
   HAMBURGER — mobile nav
   ════════════════════════════════ */

/* Hamburger button — skrytý na desktop */
.cs-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.cs-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-gray);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
  transform-origin: center;
}

/* Animácia → X keď je open */
.cs-hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.cs-hamburger.is-open span:nth-child(2) { opacity: 0; }
.cs-hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav dropdown */
.cs-mobile-nav {
  display: none;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
}

.cs-mobile-nav.is-open {
  display: block;
}

.cs-mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cs-mobile-nav a {
  display: block;
  padding: 14px var(--space-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-gray);
  text-decoration: none;
  border-bottom: 1px solid var(--color-gray-bg);
  transition: color 0.2s, background-color 0.2s;
}

.cs-mobile-nav a:hover,
.cs-mobile-nav a.active {
  color: var(--color-purple);
  background-color: var(--color-purple-light);
  text-decoration: none;
}

/* Responsive breakpoint */
@media (max-width: 768px) {
  .cs-nav-desktop { display: none !important; }
  .cs-hamburger   { display: flex; }
}

/* ════════════════════════════════
   FOOTER — fixed, vždy dole
   ════════════════════════════════ */

.cs-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #333333;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
}

.cs-footer__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  transition: color 0.2s;
}

.cs-footer__back:hover {
  color: var(--color-white);
  text-decoration: none;
}

.cs-footer__copy {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  margin: 0;
  padding: 0;
  text-align: center;
}

.cs-footer__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.cs-footer__avatar svg {
  opacity: 0.45;
}