/* Global Styles and Reset */

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-base);
  background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
  min-height: 100vh;
  overflow: hidden;
}

/* Page Background Branding */
.page-background {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(135deg, #fafbfc 0%, #eef1f5 50%, #e8ecf1 100%);
}

.brand-container {
  text-align: center;
  animation: breathe 4s ease-in-out infinite;
}

.brand-title {
  font-size: clamp(4rem, 15vw, 12rem);
  font-weight: 800;
  color: rgba(29, 42, 103, 0.08);
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0;
  user-select: none;
}

.brand-subtitle {
  font-size: clamp(1.5rem, 5vw, 4rem);
  font-weight: 300;
  color: rgba(29, 42, 103, 0.06);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-top: 0.5rem;
  user-select: none;
}

@keyframes breathe {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.02);
    opacity: 0.85;
  }
}

/* Layout */
header {
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--spacing-lg) var(--spacing-xl);
}

.container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height));
  padding: var(--spacing-2xl) var(--spacing-xl);
}

.content {
  text-align: center;
  max-width: var(--container-max-width);
  width: 100%;
}

/* Typography */
h1 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-xl);
}

h2 .subtitle {
  color: var(--color-secondary);
}

.description {
  font-size: var(--font-size-xl);
  color: var(--color-secondary);
  max-width: var(--content-max-width);
  margin: 0 auto var(--spacing-4xl);
  line-height: var(--line-height-relaxed);
}

/* Utility Classes */
.hidden {
  display: none;
}

/* Buttons Base */
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  padding: var(--spacing-md) var(--spacing-2xl);
  border-radius: var(--radius-md);
  font-size: var(--font-size-lg);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-danger {
  background: var(--color-red-600);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  padding: var(--spacing-md) var(--spacing-2xl);
  border-radius: var(--radius-md);
  font-size: var(--font-size-lg);
}

.btn-danger:hover {
  background: var(--color-red-700);
}

/* Status displays */
.error-box {
  margin-top: var(--spacing-xl);
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  color: var(--color-error-text);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  max-width: var(--content-max-width);
  margin-left: auto;
  margin-right: auto;
}

.success-text {
  color: var(--color-success);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xl);
}

.hint-text {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  margin-top: var(--spacing-lg);
}

/* Widget Containers */
.widget-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
  min-height: 600px;
}

.voice-widget-container {
  display: flex;
}

.chat-widget-container {
  display: none;
  justify-content: center;
  align-items: center;
}

/* Floating Chat Widget */
.chat-widget-container.floating {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 400px;
  height: auto;
  max-height: 600px;
  z-index: 999;
  animation: slideInUp 0.3s ease-out;
  display: flex !important;
  overflow: hidden;
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.chat-widget-container.floating .chat-widget {
  width: 100%;
  max-width: 100%;
  height: 600px;
  border-radius: 0;
  border: none;
  box-shadow: none;
}

@keyframes slideInUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 768px) {
  h2 {
    font-size: 2rem;
  }

  .description {
    font-size: var(--font-size-base);
  }

  /* Floating chat mobile */
  .chat-widget-container.floating {
    bottom: 80px;
    right: 12px;
    left: 12px;
    width: auto;
  }

  .chat-widget-container.floating .chat-widget {
    height: 500px;
  }
}