/* SoundGrowth - Professional Music Marketing Tool */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a26;
  --bg-card: #161622;
  --bg-input: #1f1f2e;

  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7d;

  --accent-primary: #00d4aa;
  --accent-secondary: #00ffcc;
  --accent-glow: rgba(0, 212, 170, 0.3);

  --purple-accent: #8b5cf6;
  --pink-accent: #ec4899;
  --orange-accent: #f97316;

  --border-color: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Spacing */
  --container-max: 1200px;
  --section-padding: clamp(60px, 10vw, 120px);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background effects */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 170, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(139, 92, 246, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(236, 72, 153, 0.05), transparent);
  pointer-events: none;
  z-index: -1;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #000;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

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

.btn-secondary:hover {
  background: var(--bg-input);
  border-color: var(--accent-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 10px 20px;
}

.btn-ghost:hover {
  color: var(--text-primary);
}

.btn-large {
  padding: 18px 36px;
  font-size: 1.1rem;
}

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

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  outline: none;
  transition: all 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23a0a0b0'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 18px;
  padding-right: 50px;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
}

/* Header/Nav */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 60px;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--purple-accent);
  margin-bottom: 32px;
}

.hero-title {
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 0%, var(--accent-secondary) 50%, var(--purple-accent) 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 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

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

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

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

/* Features Section */
.features {
  padding: var(--section-padding) 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.section-title {
  margin-bottom: 16px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-card:nth-child(2) .feature-icon {
  background: linear-gradient(135deg, var(--purple-accent), #a78bfa);
}

.feature-card:nth-child(3) .feature-icon {
  background: linear-gradient(135deg, var(--pink-accent), #f472b6);
}

.feature-card:nth-child(4) .feature-icon {
  background: linear-gradient(135deg, var(--orange-accent), #fb923c);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-description {
  font-size: 0.95rem;
  line-height: 1.7;
}

/* How It Works */
.how-it-works {
  padding: var(--section-padding) 0;
  background: linear-gradient(180deg, transparent 0%, var(--bg-secondary) 50%, transparent 100%);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.step-card {
  text-align: center;
  padding: 40px 32px;
}

.step-number {
  width: 48px;
  height: 48px;
  margin: 0 auto 24px;
  background: var(--bg-input);
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.step-title {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

/* Pricing */
.pricing {
  padding: var(--section-padding) 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  padding: 40px;
}

.pricing-card.featured {
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border-color: var(--accent-primary);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #000;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 100px;
}

.pricing-name {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-description {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: var(--text-secondary);
}

.pricing-features li::before {
  content: '';
  width: 20px;
  height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300d4aa'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 13l4 4L19 7'%3E%3C/path%3E%3C/svg%3E") no-repeat center;
  flex-shrink: 0;
}

/* CTA Section */
.cta-section {
  padding: var(--section-padding) 0;
}

.cta-box {
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), var(--purple-accent), transparent);
}

.cta-title {
  margin-bottom: 16px;
}

.cta-description {
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto 32px;
}

/* Footer */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* Auth Pages */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.auth-container {
  width: 100%;
  max-width: 440px;
}

.auth-header {
  text-align: center;
  margin-bottom: 40px;
}

.auth-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  text-decoration: none;
  color: var(--text-primary);
}

.auth-title {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.auth-subtitle {
  color: var(--text-muted);
}

.auth-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  color: var(--text-muted);
}

.auth-footer a {
  color: var(--accent-primary);
  font-weight: 500;
}

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

/* Dashboard */
.dashboard {
  min-height: 100vh;
  padding-top: 80px;
}

.dashboard-header {
  padding: 40px 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 40px;
}

.dashboard-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.user-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
}

.user-badge.free {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.user-badge.pro {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #000;
}

.usage-bar {
  margin-top: 16px;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.usage-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

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

.usage-progress {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  overflow: hidden;
}

.usage-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 10px;
  transition: width 0.3s ease;
}

/* Generator Form */
.generator-section {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 900px) {
  .generator-section {
    grid-template-columns: 1fr;
  }
}

.generator-form-card {
  position: sticky;
  top: 100px;
}

.form-section-title {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.social-inputs {
  display: grid;
  gap: 12px;
}

.social-input-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.social-input-group .form-input {
  flex: 1;
}

/* Strategy Result */
.strategy-result {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  min-height: 400px;
}

.strategy-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  text-align: center;
  color: var(--text-muted);
}

.strategy-placeholder-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.5;
}

.strategy-placeholder h3 {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.strategy-content {
  font-size: 0.95rem;
  line-height: 1.8;
}

.strategy-content h2 {
  font-size: 1.5rem;
  color: var(--accent-primary);
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.strategy-content h2:first-child {
  margin-top: 0;
}

.strategy-content h3 {
  font-size: 1.15rem;
  margin: 24px 0 12px;
}

.strategy-content ul,
.strategy-content ol {
  margin: 12px 0;
  padding-left: 24px;
}

.strategy-content li {
  margin: 8px 0;
  color: var(--text-secondary);
}

.strategy-content p {
  margin: 12px 0;
}

.strategy-content strong {
  color: var(--text-primary);
}

/* Loading States */
.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--bg-tertiary);
  border-radius: 50%;
  border-top-color: var(--accent-primary);
  animation: spin 1s linear infinite;
}

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

.generating-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  text-align: center;
}

.generating-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 24px;
  position: relative;
}

.generating-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 4px solid var(--bg-tertiary);
  border-radius: 50%;
}

.generating-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 4px solid transparent;
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.generating-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.generating-subtext {
  color: var(--text-muted);
}

/* History */
.history-section {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

.history-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.history-card {
  cursor: pointer;
}

.history-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.history-artist {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}

.history-genre {
  font-size: 0.8rem;
  color: var(--accent-primary);
  background: rgba(0, 212, 170, 0.1);
  padding: 4px 10px;
  border-radius: 100px;
}

.history-date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Alerts */
.alert {
  padding: 16px 20px;
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.alert-success {
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.3);
  color: var(--accent-secondary);
}

.alert-warning {
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid rgba(249, 115, 22, 0.3);
  color: #fdba74;
}

/* Upgrade Prompt */
.upgrade-prompt {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  margin-bottom: 24px;
}

.upgrade-prompt h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.upgrade-prompt p {
  margin-bottom: 20px;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .cta-box {
    padding: 40px 24px;
  }

  .auth-form {
    padding: 32px 24px;
  }

  .strategy-result {
    padding: 24px;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.hidden { display: none !important; }