/* ===========================
   GLOBAL RESET & BASE STYLES
   =========================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #0b8c1a 100%);
  min-height: 100vh;
  padding: 20px 0;
  line-height: 1.6;
}

.back-link {
  display: inline-block;
  color: rgba(0, 0, 0, 0.9);
  text-decoration: none;
  margin-bottom: 25px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  padding: 8px 12px;
  border-radius: 6px;
}

.back-link:hover {
  transform: translateX(-3px);
}

/* ===========================
   LOGO SECTION
   =========================== */

.logo-section {
  text-align: center;
}

.logo {
  display: inline-flex;
  width: 300px;
  height: auto;
}

@media (max-width: 768px) {
  .logo {
    width: 200px;
  }
}

.logo-icon {
  width: 50px;
  height: auto;
}

/* ===========================
   CONTAINER
   =========================== */
.container {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

/* ===========================
   TYPOGRAPHY
   =========================== */
h1 {
  font-size: 36px;
  margin-bottom: 10px;
  color: #333;
  letter-spacing: -1px;
}

h2 {
  font-size: 28px;
  color: #333;
  margin-bottom: 15px;
}

h3 {
  font-size: 18px;
  color: #333;
  margin-bottom: 15px;
}

p {
  color: #666;
  margin-bottom: 15px;
}

/* ===========================
   BUTTONS
   =========================== */
.button {
  display: inline-block;
  padding: 18px 50px;
  background: linear-gradient(135deg, #667eea 0%, #0b8c1a 100%);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
  text-align: center;
}

.button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.button:disabled {
  background: #ccc;
  cursor: not-allowed;
  box-shadow: none;
}

.button-secondary {
  background: white;
  color: #0b8c1a;
  border: 2px solid #0b8c1a;
  box-shadow: none;
}

.button-secondary:hover {
  background: #f8f9ff;
}

/* ===========================
   UTILITIES
   =========================== */
.center {
  text-align: center;
  margin-top: 40px;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }

  .container {
    padding: 30px 20px;
  }

  h1 {
    font-size: 28px;
  }

  .button {
    padding: 16px 40px;
    font-size: 16px;
  }
}

@media print {
  body {
    background: white;
  }

  .button,
  .actions {
    display: none;
  }
}