@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap');

:root {
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a25;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7b;
  --accent: #00d4aa;
  --accent-hover: #00eebb;
  --accent-subtle: rgba(0, 212, 170, 0.1);
  --danger: #ff4757;
  --warning: #ffb347;
  --success: #00d4aa;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Landing Page */
.landing {
  min-height: 100vh;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 212, 170, 0.08) 0%, transparent 50%),
    var(--bg-dark);
}

.landing-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent) 0%, #00aa88 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-family: 'DM Sans', sans-serif;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-dark);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent-subtle);
}

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover {
  background: #ff5a6a;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Hero Section */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem 8rem;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-subtle);
  border: 1px solid rgba(0, 212, 170, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent) 0%, #00eebb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-cta .btn {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Features */
.features {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 212, 170, 0.2);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-subtle);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Pricing */
.pricing {
  max-width: 600px;
  margin: 4rem auto;
  padding: 0 2rem;
}

.pricing-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 212, 170, 0.05) 100%);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 20px;
  padding: 3rem;
  text-align: center;
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 4rem;
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
  margin: 1rem 0;
}

.pricing-price span {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 600;
}

/* Auth Pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 212, 170, 0.05) 0%, transparent 50%),
    var(--bg-dark);
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 3rem;
  width: 100%;
  max-width: 420px;
}

.auth-card h2 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.auth-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form-group input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: 'DM Sans', sans-serif;
  transition: border-color 0.2s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.auth-card .btn {
  width: 100%;
  margin-top: 0.5rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--text-secondary);
}

.auth-footer a {
  color: var(--accent);
  text-decoration: none;
}

.auth-footer a:hover {
  text-decoration: underline;
}

.error-message {
  background: rgba(255, 71, 87, 0.1);
  border: 1px solid rgba(255, 71, 87, 0.2);
  color: var(--danger);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

/* Dashboard */
.dashboard {
  min-height: 100vh;
  background: var(--bg-dark);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card);
}

.dashboard-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-avatar {
  width: 40px;
  height: 40px;
  background: var(--accent-subtle);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--accent);
}

.dashboard-nav {
  display: flex;
  gap: 0.5rem;
}

.nav-tab {
  padding: 0.75rem 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.nav-tab:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.nav-tab.active {
  background: var(--accent-subtle);
  color: var(--accent);
}

.dashboard-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.section-header h2 {
  font-size: 1.5rem;
}

/* Subscription Banner */
.subscription-banner {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 212, 170, 0.1) 100%);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  text-align: center;
}

.subscription-banner h3 {
  margin-bottom: 0.5rem;
}

.subscription-banner p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Upload Area */
.upload-area {
  background: var(--bg-card);
  border: 2px dashed var(--border-color);
  border-radius: 16px;
  padding: 3rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 2rem;
}

.upload-area:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.upload-area.dragover {
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.upload-area h3 {
  margin-bottom: 0.5rem;
}

.upload-area p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table tr:hover td {
  background: var(--bg-card-hover);
}

.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
}

/* Draft Cards */
.drafts-grid {
  display: grid;
  gap: 1.5rem;
}

.draft-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.draft-card:hover {
  border-color: rgba(0, 212, 170, 0.2);
}

.draft-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.draft-prospect {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.draft-prospect-name {
  font-weight: 600;
  font-size: 1.1rem;
}

.draft-prospect-company {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.draft-status {
  padding: 0.375rem 0.75rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
}

.draft-status.draft {
  background: var(--accent-subtle);
  color: var(--accent);
}

.draft-status.sent {
  background: rgba(0, 212, 170, 0.2);
  color: var(--success);
}

.draft-research {
  background: var(--bg-dark);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.draft-research-label {
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.draft-subject {
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.draft-body {
  color: var(--text-secondary);
  font-size: 0.95rem;
  white-space: pre-wrap;
  line-height: 1.6;
  max-height: 200px;
  overflow-y: auto;
}

.draft-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.draft-actions .btn {
  flex: 1;
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem;
  color: var(--text-secondary);
}

.loading::before {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

textarea {
  width: 100%;
  padding: 1rem;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  resize: vertical;
  min-height: 150px;
}

textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
  .landing-nav {
    padding: 1rem 1.5rem;
  }

  .hero {
    padding: 3rem 1.5rem 5rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .dashboard-header {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .dashboard-nav {
    width: 100%;
    overflow-x: auto;
  }

  .section-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }
}

/* Hide sections */
.hidden {
  display: none !important;
}