/* Metaton Dijital Asistan — Tasarım Sistemi ve Tema Stilleri (theme.css) */
:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text-main: #0f172a;
  --color-text-muted: #64748b;
  --color-primary: #1e3a8a;
  --color-primary-hover: #1e40af;
  --color-border: #e2e8f0;
  --color-success: #15803d;
  --color-warning: #b45309;
  --color-danger: #b91c1c;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
  width: 100%;
}

.auth-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 1.5rem;
}

.auth-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  max-width: 420px;
  width: 100%;
  padding: 2.5rem 2rem;
  text-align: center;
}

.auth-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.025em;
}

.auth-subtitle {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

.btn-m365 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: #2f2f2f;
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid #2f2f2f;
  transition: background-color 0.2s ease;
}

.btn-m365:hover {
  background-color: #1f1f1f;
}

.auth-notice {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.dev-login-box {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--color-border);
}

.dev-badge {
  display: inline-block;
  background-color: #fef3c7;
  color: #92400e;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.btn-dev {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  background-color: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
}

.btn-dev:hover {
  background-color: #f1f5f9;
}