/* ==== SPOLEČNÝ ZÁKLAD KARTY — bílá karta na světlém pozadí,
   sjednoceno s hlavní paletou webu (var(--accent) = #c8102e) ==== */
.glass-card {
  width: 100%;
  max-width: 420px;
  border-radius: 18px;
  padding: 35px 25px;
  border: 1px solid var(--glass-border, #e0e0e0);
  background: var(--bg-primary, #fff);
  box-shadow: var(--shadow-lg, 0 8px 24px rgba(0,0,0,0.12));
  margin: 0 auto;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}
.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(200,16,46,0.14);
}

.glass-card h2 {
  font-size: 1.6rem;
  text-align: center;
  margin: 0;
  font-weight: 600;
  color: var(--text-primary);
}

.glass-card form {
  display: flex;
  flex-direction: column;
}

.glass-card label {
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.glass-card input {
  padding: 13px 16px;
  margin-bottom: 4px;
  border: 1px solid var(--glass-border, #e0e0e0);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-normal);
  background: var(--bg-secondary, #f8f7f5);
  color: var(--text-primary);
}

.glass-card input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle, rgba(200,16,46,0.1));
}

.glass-card input::placeholder {
  color: var(--text-muted);
}

.form-field {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}

/* ==== Sdílená hlavička auth karet ==== */
.auth-brand {
  text-align: center;
  margin-bottom: 22px;
}
.auth-brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 8px;
  border-radius: 14px;
  background: var(--accent-subtle, rgba(200,16,46,0.1));
  color: var(--accent);
}
.auth-brand-icon svg { width: 24px; height: 24px; }
.auth-brand h2 {
  margin: 4px 0 4px 0;
}
.auth-subtitle {
  margin: 0 !important;
  font-size: 0.85rem !important;
  color: var(--text-muted);
}

/* ==== Tlačítko ==== */
.glass-card button {
  position: relative;
  overflow: hidden;
  padding: 13px;
  margin-top: 6px;
  font-size: 1.05rem;
  font-weight: bold;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--accent);
  color: #fff;
  letter-spacing: 0.2px;
}

.glass-card button:hover {
  background: var(--accent-active);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(200,16,46,0.3);
}

.glass-card button:active {
  transform: scale(0.98);
}

.glass-card button .ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple-elegant 900ms cubic-bezier(0.4, 0, 0.2, 1);
  background-color: rgba(255, 255, 255, 0.5);
  pointer-events: none;
  opacity: 0.6;
  filter: blur(2px);
}

@keyframes ripple-elegant {
  0% { transform: scale(0); opacity: 0.6; }
  50% { opacity: 0.3; }
  100% { transform: scale(3.5); opacity: 0; }
}

.glass-card p {
  font-size: 0.9rem;
  text-align: center;
  margin-top: 15px;
  color: var(--text-secondary);
}

.glass-card .link {
  font-weight: 500;
  text-decoration: underline;
  transition: color 0.25s ease;
  color: var(--accent);
}
.glass-card .link:hover {
  color: var(--accent-active);
}

/* ==== PŘIHLÁŠENÍ ==== */
#login,
#verify {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  background: var(--bg-secondary, #f8f7f5);
}

/* --- Responsivní login --- */
@media (max-width: 768px) {
  #login .glass-card {
    margin-top: 100px;
    padding: 25px 20px;
  }
}

@media (max-width: 480px) {
  #login .glass-card {
    margin-top: 60px;
    padding: 20px 15px;
  }

  .glass-card h2 {
    font-size: 1.3rem;
  }

  .glass-card input {
    font-size: 1rem;
    padding: 11px;
  }
}

.alert {
  padding: 10px 15px;
  margin-bottom: 15px;
  border-radius: 10px;
  font-weight: bold;
  text-align: center;
}

.alert-error {
  background-color: #fdecee;
  color: #8f0c22;
  border: 1px solid #f5a3ad;
}

.alert-success {
  background-color: #e8f6ef;
  color: #16815a;
  border: 1px solid #9fd9bf;
}

#verify {
  padding-top: 100px;
  display: flex;
  justify-content: center;
}