/* Global Styles - Dark Terminal Theme */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --text-primary: #c9d1d9;
  --text-secondary: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --success: #3fb950;
  --error: #f85149;
  --border: #30363d;
  --font-mono: 'Courier New', 'JetBrains Mono', 'Monaco', 'Menlo', monospace;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1.6;
  font-size: 14px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Container & Layout */
.container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  flex: 1;
}

.container-sm {
  max-width: 500px;
}

.container-md {
  max-width: 800px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--accent);
  margin: 20px 0 15px 0;
  font-weight: bold;
  text-shadow: 0 0 10px rgba(88, 166, 255, 0.3);
}

h1 {
  font-size: 32px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 10px;
}

h2 {
  font-size: 24px;
  margin-top: 25px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 15px;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Forms */
form {
  margin: 20px 0;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
textarea {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 12px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  transition: border-color 0.2s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  background-color: rgba(88, 166, 255, 0.05);
}

/* Buttons */
button,
.btn {
  padding: 10px 16px;
  background-color: var(--accent);
  color: var(--bg-primary);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: bold;
  transition: background-color 0.2s ease;
  display: inline-block;
  text-decoration: none;
}

button:hover,
.btn:hover {
  background-color: var(--accent-hover);
}

button:active,
.btn:active {
  transform: scale(0.98);
}

button:disabled {
  background-color: var(--text-secondary);
  cursor: not-allowed;
  opacity: 0.6;
}

button.secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

button.secondary:hover {
  background-color: var(--border);
}

/* Messages */
.message {
  padding: 12px 15px;
  margin: 15px 0;
  border-radius: 4px;
  border-left: 4px solid;
}

.error {
  background-color: rgba(248, 81, 73, 0.1);
  border-left-color: var(--error);
  color: #f85149;
}

.success {
  background-color: rgba(63, 185, 80, 0.1);
  border-left-color: var(--success);
  color: #3fb950;
}

.info {
  background-color: rgba(88, 166, 255, 0.1);
  border-left-color: var(--accent);
  color: var(--accent);
}

#error, #resendMessage, .form-message {
  margin-top: 10px;
  font-size: 13px;
}

/* Sections */
.section {
  margin: 25px 0;
  padding: 20px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.section-divider {
  height: 1px;
  background-color: var(--border);
  margin: 25px 0;
}

/* Lists */
ul, ol {
  margin-left: 20px;
  margin-bottom: 15px;
}

li {
  margin-bottom: 8px;
}

/* Navigation */
nav {
  padding: 15px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

nav a {
  margin-right: 20px;
  color: var(--text-secondary);
}

nav a:hover {
  color: var(--accent);
}

/* Header/Footer */
header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  margin-bottom: 30px;
}

footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 20px 0;
  margin-top: 40px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 12px;
}

/* Utilities */
.text-center {
  text-align: center;
}

.text-secondary {
  color: var(--text-secondary);
}

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

.hidden {
  display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 20px;
  }

  h3 {
    font-size: 16px;
  }

  body {
    font-size: 13px;
  }

  button,
  .btn {
    width: 100%;
    margin-bottom: 10px;
  }

  .button-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 10px;
  }

  h1 {
    font-size: 20px;
  }

  h2 {
    font-size: 18px;
  }

  .section {
    padding: 15px;
  }
}