@import url('https://fonts.googleapis.com/css2?family=Geist+Mono:wght@100..900&family=Geist:wght@100..900&display=swap');

:root {
  --bg-dark: #070708;
  --bg-card: rgba(18, 18, 20, 0.75);
  --bg-sidebar: #0a0a0c;
  --color-primary: #ef4444; /* Vibrant Red */
  --color-primary-glow: rgba(239, 68, 68, 0.2);
  --color-secondary: #ffffff; /* White */
  --color-accent: #b91c1c; /* Dark Red */
  --text-main: #ffffff;
  --text-muted: #a3a3a3;
  --text-dim: #525252;
  --border: rgba(255, 255, 255, 0.07);
  --border-focus: rgba(239, 68, 68, 0.5);
  --font-title: 'Geist', sans-serif;
  --font-body: 'Geist', sans-serif;
  --font-mono: 'Geist Mono', monospace;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Background Crimson Orbs */
body::before, body::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  z-index: -1;
  filter: blur(140px);
  opacity: 0.1;
  pointer-events: none;
}
body::before {
  top: -100px;
  right: -50px;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
}
body::after {
  bottom: -150px;
  left: -50px;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border-radius: 8px; /* Slightly sharper, premium look */
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 15px var(--color-primary-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  background: #f87171;
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.btn-secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 4px 15px var(--color-primary-glow);
  transform: translateY(-1px);
}

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

/* Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(7, 7, 8, 0.85);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border);
}
header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}
.logo {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  letter-spacing: -0.01em;
}
.logo-text-red {
  color: var(--color-primary);
}
.logo-text-white {
  color: #ffffff;
}
.logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 6px;
  display: inline-block;
}
nav {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}
nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
}
nav a:hover {
  color: var(--text-main);
}
.nav-buttons {
  display: flex;
  gap: 1rem;
}

/* Hero Section */
.hero {
  padding: 180px 0 90px;
  text-align: center;
  position: relative;
}
.hero-glow {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 250px;
  background: radial-gradient(ellipse at center, rgba(239, 68, 68, 0.08), transparent 60%);
  z-index: -1;
  pointer-events: none;
}
.badge {
  background: rgba(239, 68, 68, 0.07);
  border: 1px solid rgba(239, 68, 68, 0.15);
  color: #f87171;
  padding: 0.35rem 1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 2rem;
}
.badge span {
  width: 6px;
  height: 6px;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--color-primary);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.6; }
}
.hero h1 {
  font-family: var(--font-title);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  background: linear-gradient(to right, #ffffff, #f3f4f6, #ef4444);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

/* Feature Showcase */
.features {
  padding: 80px 0;
}
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header h2 {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px; /* Sharper */
  padding: 2.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(15px);
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.01) 0%, transparent 100%);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(239, 68, 68, 0.35);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7), 0 0 30px rgba(239, 68, 68, 0.03);
}
.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: rgba(239, 68, 68, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}
.card h3 {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Pricing Section */
.pricing {
  padding: 80px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(239, 68, 68, 0.01) 50%, transparent 100%);
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}
.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  transition: var(--transition);
  backdrop-filter: blur(15px);
}
.price-card:hover {
  transform: translateY(-4px);
  border-color: rgba(239, 68, 68, 0.25);
}
.price-card.popular {
  border-color: var(--color-primary);
  box-shadow: 0 10px 30px rgba(239, 68, 68, 0.1);
}
.price-card.popular::after {
  content: 'РЕКОМЕНДУЕМ';
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--color-primary);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
}
.price-card h3 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.price-card .price {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-title);
  margin-bottom: 1.5rem;
}
.price-card .price span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}
.price-card ul {
  list-style: none;
  text-align: left;
  margin-bottom: 2.5rem;
}
.price-card ul li {
  margin-bottom: 0.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.price-card ul li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 700;
}

/* Auth Page CSS */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.auth-container {
  width: 100%;
  max-width: 460px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  backdrop-filter: blur(15px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  position: relative;
}
.auth-logo {
  text-align: center;
  margin-bottom: 2.5rem;
}
.auth-logo .logo {
  justify-content: center;
  font-size: 2rem;
}
.auth-tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.25rem;
  margin-bottom: 2rem;
}
.auth-tab {
  flex: 1;
  text-align: center;
  padding: 0.6rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition);
}
.auth-tab.active {
  background: rgba(255, 255, 255, 0.05);
  color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}
.auth-form-wrapper {
  display: none;
}
.auth-form-wrapper.active {
  display: block;
}
.form-group {
  margin-bottom: 1.25rem;
  text-align: left;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
  width: 100%;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: white;
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}
.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.15);
}
.form-group-checkbox {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-top: 1.25rem;
  text-align: left;
}
.form-group-checkbox input[type="checkbox"] {
  width: 16px !important;
  height: 16px !important;
  accent-color: var(--color-primary);
  cursor: pointer;
  margin-top: 0.2rem;
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--border);
}
.form-group-checkbox label {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
  cursor: pointer;
  user-select: none;
}
.form-group-checkbox a {
  color: var(--color-primary);
  text-decoration: underline;
}
.form-group-checkbox a:hover {
  color: #f87171;
}
.auth-btn {
  width: 100%;
  margin-top: 1.5rem;
}
.alert-error {
  background: rgba(239, 68, 68, 0.07);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #f87171;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Dashboard Layout */
.dashboard-layout {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 280px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  left: 0;
  top: 0;
}
.sidebar .logo {
  margin-bottom: 3rem;
  padding-left: 0.5rem;
}
.sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.sidebar-menu li a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  cursor: pointer;
}
.sidebar-menu li a:hover, .sidebar-menu li.active a {
  background: rgba(255, 255, 255, 0.03);
  color: white;
}
.sidebar-menu li.active a {
  border-left: 3px solid var(--color-primary);
  border-radius: 0 8px 8px 0;
  padding-left: 0.75rem;
}
.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}
.logout-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  color: var(--text-dim);
  font-weight: 500;
}
.logout-btn:hover {
  color: #ef4444;
}

/* Main Dashboard Area */
.dashboard-main {
  flex: 1;
  margin-left: 280px;
  display: flex;
  flex-direction: column;
}
.topbar {
  height: 80px;
  border-bottom: 1px solid var(--border);
  padding: 0 3rem;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 2rem;
  background: rgba(7, 7, 8, 0.6);
  backdrop-filter: blur(15px);
}
.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: white;
}
.user-email {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}
.credits-pill {
  background: rgba(239, 68, 68, 0.07);
  border: 1px solid rgba(239, 68, 68, 0.15);
  color: #f87171;
  padding: 0.4rem 1rem;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.credits-pill i {
  color: var(--color-primary);
}

.dashboard-content {
  padding: 3rem;
  max-width: 1000px;
}
.dashboard-tab-content {
  display: none;
}
.dashboard-tab-content.active {
  display: block;
}

.dashboard-header {
  margin-bottom: 2rem;
}
.dashboard-header h1 {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.dashboard-header p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* Prompt Workspace Area */
.workspace-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  backdrop-filter: blur(15px);
}
.prompt-area {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.prompt-textarea {
  width: 100%;
  min-height: 120px;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  color: white;
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
  transition: var(--transition);
}
.prompt-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.03);
}
.prompt-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.generate-settings {
  display: flex;
  gap: 1rem;
}
.generate-select {
  background: #0f0f12;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-main);
  padding: 0.6rem 2rem 0.6rem 1rem;
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg fill='white' height='20' viewBox='0 0 24 24' width='20' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 8px center;
  transition: var(--transition);
}
.generate-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.15);
}
.generate-select option {
  background: #0f0f12;
  color: var(--text-main);
  padding: 0.5rem;
}

/* Loading Spinner */
.spinner-container {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 0;
  gap: 1.5rem;
}
.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.08);
  border-left-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.spinner-container p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Error banner */
.limit-error {
  display: none;
  background: rgba(239, 68, 68, 0.03);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 2rem;
  gap: 1rem;
  align-items: flex-start;
  animation: fadeIn 0.4s ease;
}
.limit-error-icon {
  font-size: 1.5rem;
  color: #ef4444;
}
.limit-error-content h4 {
  font-family: var(--font-title);
  color: #ef4444;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}
.limit-error-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Pricing cards in Dashboard */
.dash-pricing {
  margin-top: 1.5rem;
}

/* API Key Card */
.api-key-container {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
}
.api-key-value {
  font-family: monospace;
  color: #f87171;
  font-size: 1.05rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  margin-top: 5rem;
  background: rgba(7, 7, 8, 0.6);
  text-align: center;
}
footer p {
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.8rem;
  }
  nav {
    display: none;
  }
  .dashboard-layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .dashboard-main {
    margin-left: 0;
  }
  .topbar {
    padding: 0 1.5rem;
  }
  .dashboard-content {
    padding: 1.5rem;
  }
}