* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #00d4ff;
  --primary-dark: #0099cc;
  --secondary-color: #00ff88;
  --accent-color: #7c3aed;
  --turquoise: #00f5ff;
  --cyan: #06b6d4;
  --emerald: #10b981;
  --space-blue: #0a1929;
  --space-dark: #0d1117;
  --space-darker: #010409;
  --text-dark: #ffffff;
  --text-light: #e1e8ed;
  --text-muted: #a8b3ba;
  --bg-light: #161b22;
  --bg-white: rgba(22, 27, 34, 0.8);
  --border-color: rgba(0, 212, 255, 0.2);
  --glass-bg: rgba(0, 212, 255, 0.1);
  --glass-border: rgba(0, 212, 255, 0.3);
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --touch-target-min: 44px;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--text-dark);
  overflow-x: hidden;
  background: linear-gradient(135deg, var(--space-darker) 0%, var(--space-dark) 25%, var(--space-blue) 50%, var(--space-dark) 75%, var(--space-darker) 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

#login-overlay {
  background: rgba(1, 4, 9, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

#login-overlay>div {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.1), inset 0 1px 0 rgba(0, 245, 255, 0.2);
}

#login-overlay .w-16 {
  background: rgba(0, 245, 255, 0.1);
  border: 1px solid var(--glass-border);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
}

#login-overlay h2 {
  background: linear-gradient(135deg, var(--turquoise) 0%, var(--secondary-color) 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 6px rgba(0, 245, 255, 0.4));
}

input[type="email"],
input[type="text"],
select,
textarea {
  background: rgba(10, 25, 41, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-dark);
  transition: all 0.3s ease;
}

input[type="email"]:focus,
input[type="text"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--turquoise);
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.1), 0 0 20px rgba(0, 245, 255, 0.2);
}

button {
  transition: all 0.3s ease;
}

#request-code-btn {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--glass-border);
  color: var(--turquoise);
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.1);
}

#request-code-btn:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--turquoise);
  box-shadow: 0 6px 30px rgba(0, 245, 255, 0.3), 0 0 40px rgba(0, 255, 136, 0.2);
  transform: translateY(-2px);
}

#login-submit-btn {
  background: linear-gradient(135deg, var(--turquoise) 0%, var(--secondary-color) 100%);
  color: var(--space-darker);
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(0, 245, 255, 0.3), 0 0 30px rgba(0, 255, 136, 0.2);
}

#login-submit-btn:hover {
  box-shadow: 0 6px 30px rgba(0, 245, 255, 0.5), 0 0 60px rgba(0, 255, 136, 0.4);
  transform: translateY(-2px);
}

header {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(0, 255, 136, 0.1) 50%, rgba(124, 58, 237, 0.15) 100%);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.1);
}

header h1 {
  background: linear-gradient(135deg, var(--turquoise) 0%, var(--secondary-color) 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 6px rgba(0, 245, 255, 0.4));
}

header .text-cyan-400 {
  color: var(--turquoise) !important;
}

#search-input {
  background: rgba(10, 25, 41, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-dark);
}

#search-input:focus {
  border-color: var(--turquoise);
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.1), 0 0 20px rgba(0, 245, 255, 0.2);
}

#logout-btn {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

#logout-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #f87171;
}

.tool-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  padding: var(--spacing-xl);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.1), inset 0 1px 0 rgba(0, 245, 255, 0.2);
  transition: all 0.3s ease;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--turquoise), var(--secondary-color), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tool-card:hover {
  border-color: var(--turquoise);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2), 0 0 60px rgba(0, 255, 136, 0.1), inset 0 1px 0 rgba(0, 245, 255, 0.3);
}

.tool-card:hover::before {
  opacity: 1;
}

.icon-container {
  width: 3rem;
  height: 3rem;
  background: rgba(0, 245, 255, 0.1);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--turquoise);
  transition: all 0.3s ease;
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.2);
}

.tool-card:hover .icon-container {
  background: rgba(0, 245, 255, 0.2);
  border-color: var(--turquoise);
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(0, 245, 255, 0.4);
}

.glow-effect {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--turquoise), var(--secondary-color), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tool-card:hover .glow-effect {
  opacity: 1;
}

.launch-btn {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--glass-border);
  color: var(--turquoise);
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.1);
}

.launch-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--turquoise) 0%, var(--secondary-color) 100%);
  color: var(--space-darker);
  border-color: var(--turquoise);
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 245, 255, 0.4), 0 0 40px rgba(0, 255, 136, 0.2);
}

.launch-btn:active:not(:disabled) {
  transform: scale(0.98);
}

#welcome-message {
  background: linear-gradient(135deg, var(--turquoise) 0%, var(--secondary-color) 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 6px rgba(0, 245, 255, 0.4));
}

footer {
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
}

#login-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  line-height: 1.5;
  text-align: center;
  word-wrap: break-word;
  min-height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

#login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

#login-overlay.hidden {
  display: none;
}

.login-modal {
  width: 100%;
  max-width: 28rem;
  padding: var(--spacing-xl);
  border-radius: 12px;
  transform: transition-all;
}

.login-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.login-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--turquoise);
}

.login-header h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: var(--line-height-tight);
  text-transform: uppercase;
  font-style: italic;
  margin-bottom: var(--spacing-xs);
}

.login-header p {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.input-wrapper {
  position: relative;
}

.input-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

.input-wrapper input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 2.5rem;
  border-radius: 8px;
}

.error-message {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 6px;
  text-align: center;
  font-size: var(--font-size-xs);
}

.error-message.hidden {
  display: none;
}

.login-form button {
  width: 100%;
  padding: var(--spacing-md);
  border-radius: 8px;
  font-weight: 700;
  font-size: var(--font-size-base);
  cursor: pointer;
  border: none;
}

.login-footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 10px;
  margin-top: var(--spacing-xl);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

#dashboard {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#dashboard.hidden {
  display: none;
}

.header-content {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4rem;
}

.header-content h1 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: var(--line-height-tight);
  text-transform: uppercase;
  font-style: italic;
}

.header-content .accent {
  color: var(--turquoise);
  margin-left: 0.25rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.search-wrapper {
  position: relative;
  display: none;
}

@media (min-width: 768px) {
  .search-wrapper {
    display: block;
  }
}

.search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

#search-input {
  width: 16rem;
  padding: 0.375rem var(--spacing-md) 0.375rem 2.5rem;
  border-radius: 9999px;
  font-size: var(--font-size-xs);
}

#logout-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.375rem var(--spacing-md);
  border-radius: 8px;
  font-size: var(--font-size-xs);
  font-weight: 700;
  cursor: pointer;
  border: none;
}

main {
  flex: 1;
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
}

main h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  width: 100%;
  max-width: 64rem;
  font-style: italic;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  width: 100%;
  max-width: 64rem;
}

footer {
  margin-top: auto;
  padding: var(--spacing-xl);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}

@media (max-width: 768px) {
  .tool-card {
    padding: var(--spacing-lg);
  }

  .search-wrapper {
    display: none;
  }

  .header-content {
    padding: 0 var(--spacing-md);
  }
}