@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");

:root {
  /* Color Palette */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --danger-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);

  --bg-dark: #0f0f23;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-card-hover: rgba(255, 255, 255, 0.08);

  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);

  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated Background */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(
      circle at 20% 50%,
      rgba(102, 126, 234, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(118, 75, 162, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 20%,
      rgba(79, 172, 254, 0.1) 0%,
      transparent 50%
    );
  z-index: -1;
  animation: backgroundShift 20s ease infinite;
}

@keyframes backgroundShift {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header */
header {
  text-align: center;
  padding: 3rem 0 2rem;
  position: relative;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.logo-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--shadow-md);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 400;
}

/* Card */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Form */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

input[type="text"],
input[type="email"],
textarea,
select {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-fast);
}

/* Ensure dropdown options are readable */
select option {
  background-color: var(--bg-dark);
  color: var(--text-primary);
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: #667eea;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition:
    width 0.6s,
    height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn span {
  position: relative;
  z-index: 1;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-success {
  background: var(--success-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(79, 172, 254, 0.4);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 172, 254, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Steps */
.steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 3rem;
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border-color);
  z-index: 0;
}

.step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 48px;
  height: 48px;
  margin: 0 auto 0.75rem;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.25rem;
  transition: all var(--transition-normal);
}

.step.active .step-number {
  background: var(--primary-gradient);
  border-color: transparent;
  box-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.step.completed .step-number {
  background: var(--success-gradient);
  border-color: transparent;
}

.step-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.step.active .step-label {
  color: var(--text-primary);
}

/* Alert */
/* Toast / Alert System */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  pointer-events: none; /* Let clicks pass through container area */
}

.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(30, 32, 44, 0.95); /* Deep dark base */
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-left-width: 4px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  color: var(--text-primary);
  width: 100%; /* Full width for static alerts */
  pointer-events: auto;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-bottom: 1.5rem; /* For static alerts */
}

/* Specific style for toasts inside container */
.toast-container .alert {
  width: auto; /* reset width */
  min-width: 300px;
  max-width: 450px;
  margin-bottom: 0;
  animation: slideInRight 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast-container .alert.hiding {
  opacity: 0;
  transform: translateX(100%);
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px) scale(0.9); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

.alert-icon {
  font-size: 1.5rem;
  line-height: 1.2;
}

/* Alert Variants */
.alert-success {
  border-left-color: #4facfe;
  background: linear-gradient(90deg, rgba(79, 172, 254, 0.1) 0%, rgba(30, 32, 44, 0.95) 100%);
}
.alert-success .alert-icon { color: #4facfe; }

.alert-error {
  border-left-color: #fa709a;
  background: linear-gradient(90deg, rgba(250, 112, 154, 0.1) 0%, rgba(30, 32, 44, 0.95) 100%);
}
.alert-error .alert-icon { color: #fa709a; }

.alert-info {
  border-left-color: #667eea;
  background: linear-gradient(90deg, rgba(102, 126, 234, 0.1) 0%, rgba(30, 32, 44, 0.95) 100%);
}
.alert-info .alert-icon { color: #667eea; }

.alert-warning {
  border-left-color: #fee140;
  background: linear-gradient(90deg, rgba(254, 225, 64, 0.1) 0%, rgba(30, 32, 44, 0.95) 100%);
}
.alert-warning .alert-icon { color: #fee140; }

/* Certificate Display */
.cert-info {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.cert-row {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.cert-row:last-child {
  border-bottom: none;
}

.cert-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.cert-value {
  color: var(--text-primary);
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
}

/* Code Block */
.code-block {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin: 1rem 0;
  position: relative;
}

.code-block pre {
  margin: 0;
  color: var(--text-secondary);
  font-family: "Courier New", monospace;
  font-size: 0.875rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 15, 35, 0.9);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.loading-content {
  text-align: center;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  border-top-color: #667eea;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

.loading-text {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 0 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer a {
  color: #667eea;
  text-decoration: none;
  transition: color var(--transition-fast);
}

footer a:hover {
  color: #764ba2;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  .steps {
    flex-direction: column;
    gap: 1rem;
  }

  .steps::before {
    display: none;
  }

  .card {
    padding: 1.5rem;
  }

  .cert-row {
    flex-direction: column;
    gap: 0.5rem;
  }
}

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

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

.mt-1 {
  margin-top: 0.5rem;
}
.mt-2 {
  margin-top: 1rem;
}
.mt-3 {
  margin-top: 1.5rem;
}
.mb-1 {
  margin-bottom: 0.5rem;
}
.mb-2 {
  margin-bottom: 1rem;
}
.mb-3 {
  margin-bottom: 1.5rem;
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.gap-1 {
  gap: 0.5rem;
}
.gap-2 {
  gap: 1rem;
}
.gap-3 {
  gap: 1.5rem;
}

/* Tab Switcher */
.tab-switcher {
  display: flex;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}

.tab-btn {
  flex: 1;
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.tab-btn.active {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.tab-btn:hover:not(.active) {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

/* Password Input */
input[type="password"] {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-fast);
}

input[type="password"]:focus {
  outline: none;
  border-color: #667eea;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Auth Form */
.auth-form {
  animation: fadeIn 0.3s ease;
}

/* User Menu */
.user-menu {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 100;
}

.user-button {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.user-button:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.user-avatar {
  width: 32px;
  height: 32px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  min-width: 180px;
  box-shadow: var(--shadow-lg);
  display: none;
  animation: fadeIn 0.2s ease;
}

.user-menu.active .dropdown-menu {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: 0.95rem;
}

.dropdown-item:hover {
  background: var(--bg-card-hover);
}

.dropdown-item.danger {
  color: #fa709a;
}

.dropdown-item.danger:hover {
  background: rgba(250, 112, 154, 0.1);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.hidden {
  display: none !important;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 15, 35, 0.8);
  backdrop-filter: blur(5px);
  animation: fadeIn 0.2s ease;
}

.modal-content {
  position: relative;
  background: rgba(30, 32, 44, 0.95);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  width: 90%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  margin-bottom: 1rem;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-body {
  margin-bottom: 2rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}