:root {
  --primary: #8B0000;
  --primary-light: #a32222;
  --primary-dark: #6b0000;
  --danger: #8B0000;
  --danger-light: #a32222;
  --danger-dark: #6b0000;
  --danger-gradient: linear-gradient(135deg, #8B0000 0%, #6b0000 100%);
  --text: #111111;
  --text-medium: #444444;
  --text-light: #777777;
  --border: #e5e5e5;
  --bg: #f9fafb;
  --white: #ffffff;
  --shadow: 0 12px 35px -12px rgba(0, 0, 0, 0.08), 0 0 0 0.5px rgba(0, 0, 0, 0.02);
  --shadow-hover: 0 24px 48px -18px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s cubic-bezier(0.2, 0, 0, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', 'SF Pro Display', 'Helvetica Neue', sans-serif;
}

body {
  background-color: var(--bg);
  background-image: radial-gradient(circle at 25% 40%, rgba(0, 0, 0, 0.008) 0%, transparent 50%),
                    repeating-linear-gradient(45deg, rgba(0, 0, 0, 0.008) 0px, rgba(0, 0, 0, 0.008) 2px, transparent 2px, transparent 8px);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.unlock-container {
  width: 100%;
  max-width: 480px;
  padding: 20px;
}

.unlock-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 40px;
  transition: var(--transition);
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.unlock-card:hover {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.unlock-header {
  margin-bottom: 32px;
}

.unlock-icon {
  margin-bottom: 24px;
}

.icon-circle {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(139, 0, 0, 0.08);
  color: var(--danger);
  font-size: 32px;
}

.unlock-header h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 12px;
}

.unlock-header p {
  font-size: 15px;
  color: var(--text-medium);
  line-height: 1.5;
}

.messages-container {
  margin-bottom: 20px;
}

.alert {
  padding: 12px 16px;
  border-radius: 16px;
  margin-bottom: 12px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.02);
  border-left: 3px solid;
}

.alert-success {
  color: #2c2c2c;
  border-left-color: #2c2c2c;
}

.alert-error {
  color: #8B0000;
  border-left-color: #8B0000;
}

.alert-info {
  color: #111111;
  border-left-color: #111111;
}

.alert-warning {
  color: #777777;
  border-left-color: #777777;
}

.unlock-form {
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 24px;
}

.input-container {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 18px;
  transition: var(--transition);
  z-index: 2;
}

.input-container input {
  width: 100%;
  height: 56px;
  padding: 0 16px 0 48px;
  border: 1px solid var(--border);
  border-radius: 16px;
  font-size: 15px;
  color: var(--text);
  background-color: #ffffff;
  transition: var(--transition);
  position: relative;
  z-index: 1;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
}

.input-container input:focus {
  outline: none;
  background-color: var(--white);
  border-color: var(--danger-light);
  box-shadow: 0 0 0 3px rgba(139, 0, 0, 0.08);
}

.input-container label {
  position: absolute;
  left: 48px;
  top: 18px;
  color: var(--text-medium);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  pointer-events: none;
  z-index: 2;
}

.input-container input:focus + label,
.input-container.filled label {
  top: -10px;
  left: 40px;
  font-size: 12px;
  background: var(--white);
  padding: 0 8px;
  color: var(--danger);
  z-index: 3;
}

.input-container input:focus ~ .input-icon {
  color: var(--danger);
}

.input-border {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--danger);
  transition: var(--transition);
  border-radius: 0 0 16px 16px;
}

.input-container input:focus ~ .input-border {
  width: 100%;
}

.unlock-btn {
  width: 100%;
  padding: 16px;
  background: var(--danger);
  color: white;
  border: none;
  border-radius: 60px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(139, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.unlock-btn:hover {
  background: var(--danger-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(139, 0, 0, 0.25);
}

.unlock-btn i {
  transition: var(--transition);
}

.unlock-btn:hover i {
  transform: translateX(3px);
}

.unlock-footer {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-medium);
}

.back-to-login {
  color: var(--primary);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.back-to-login:hover {
  text-decoration: underline;
  color: var(--primary-light);
}

@media (max-width: 480px) {
  .unlock-card {
    padding: 32px 24px;
  }
  
  .icon-circle {
    width: 64px;
    height: 64px;
    font-size: 24px;
  }
  
  .unlock-header h1 {
    font-size: 22px;
  }
}