* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --orange: #E8600A; --red: #C62828; --warm: #FFF3E0; --dark: #2D1B06;
  --gray: #6B5B4F; --light: #FFF8F0; --white: #FFFFFF; --green: #2E7D32;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
}
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: var(--dark); background: var(--light); line-height: 1.6; }
a { color: var(--orange); text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Nav */
nav { background: var(--white); border-bottom: 1px solid #eee; padding: 16px 0; position: sticky; top: 0; z-index: 100; }
nav .container { display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 24px; font-weight: 800; color: var(--orange); }
.logo span { color: var(--dark); }
nav .links a { margin-left: 24px; font-weight: 500; color: var(--gray); }
nav .links a:hover { color: var(--orange); }

/* Buttons */
.btn { display: inline-block; padding: 12px 28px; border-radius: 8px; font-weight: 600; font-size: 16px; cursor: pointer; border: none; transition: all 0.2s; }
.btn-primary { background: var(--orange); color: white; }
.btn-primary:hover { background: #d4550a; transform: translateY(-1px); }
.btn-outline { border: 2px solid var(--orange); color: var(--orange); background: transparent; }
.btn-outline:hover { background: var(--orange); color: white; }
.btn-small { padding: 8px 18px; font-size: 14px; }
.btn-green { background: var(--green); color: white; }

/* Hero */
.hero { padding: 80px 0; text-align: center; background: linear-gradient(135deg, var(--warm) 0%, #FFCCBC 100%); }
.hero h1 { font-size: 48px; line-height: 1.2; margin-bottom: 20px; }
.hero h1 span { color: var(--orange); }
.hero p { font-size: 20px; color: var(--gray); max-width: 600px; margin: 0 auto 32px; }

/* Features */
.features { padding: 80px 0; }
.features h2 { text-align: center; font-size: 36px; margin-bottom: 48px; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.feature-card { background: var(--white); border-radius: 12px; padding: 32px; box-shadow: var(--shadow); }
.feature-card .icon { font-size: 40px; margin-bottom: 16px; }
.feature-card h3 { font-size: 20px; margin-bottom: 8px; }
.feature-card p { color: var(--gray); }

/* Platforms */
.platforms { padding: 60px 0; text-align: center; background: var(--white); }
.platforms h2 { font-size: 28px; margin-bottom: 24px; }
.platform-logos { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; font-size: 20px; font-weight: 600; color: var(--gray); }

/* Pricing */
.pricing { padding: 80px 0; }
.pricing h2 { text-align: center; font-size: 36px; margin-bottom: 48px; }
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; max-width: 900px; margin: 0 auto; }
.price-card { background: var(--white); border-radius: 12px; padding: 32px; box-shadow: var(--shadow); text-align: center; border: 2px solid transparent; }
.price-card.popular { border-color: var(--orange); position: relative; }
.price-card.popular::before { content: 'MOST POPULAR'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--orange); color: white; padding: 4px 16px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.price-card h3 { font-size: 24px; margin-bottom: 8px; }
.price-amount { font-size: 48px; font-weight: 800; color: var(--orange); margin: 16px 0; }
.price-amount span { font-size: 18px; color: var(--gray); font-weight: 400; }
.price-card ul { list-style: none; margin: 24px 0; text-align: left; }
.price-card li { padding: 8px 0; color: var(--gray); }
.price-card li::before { content: '✓ '; color: var(--green); font-weight: 700; }

/* Auth */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--warm); }
.auth-card { background: var(--white); border-radius: 16px; padding: 48px; width: 100%; max-width: 420px; box-shadow: var(--shadow); }
.auth-card h2 { text-align: center; margin-bottom: 32px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 14px; }
.form-group input { width: 100%; padding: 12px 16px; border: 2px solid #e0d6cc; border-radius: 8px; font-size: 16px; transition: border 0.2s; }
.form-group input:focus { outline: none; border-color: var(--orange); }
.auth-card .btn { width: 100%; text-align: center; }
.auth-card .switch { text-align: center; margin-top: 20px; color: var(--gray); }
.error-msg { background: #FFEBEE; color: var(--red); padding: 12px; border-radius: 8px; margin-bottom: 16px; display: none; }

/* App */
.app-layout { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar { background: var(--white); border-right: 1px solid #eee; padding: 24px; }
.sidebar .user-info { margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid #eee; }
.sidebar .user-info .email { font-weight: 600; }
.sidebar .user-info .plan { font-size: 13px; color: var(--orange); text-transform: uppercase; font-weight: 700; }
.sidebar .usage { margin-bottom: 24px; }
.sidebar .usage-bar { background: #eee; border-radius: 10px; height: 8px; margin-top: 8px; overflow: hidden; }
.sidebar .usage-fill { background: var(--orange); height: 100%; border-radius: 10px; transition: width 0.3s; }
.sidebar nav a { display: block; padding: 10px 16px; border-radius: 8px; margin-bottom: 4px; color: var(--dark); font-weight: 500; }
.sidebar nav a:hover, .sidebar nav a.active { background: var(--warm); color: var(--orange); }
.main-content { padding: 32px; }
.main-content h1 { font-size: 28px; margin-bottom: 24px; }

/* Upload */
.upload-zone { border: 3px dashed #ddd; border-radius: 16px; padding: 48px; text-align: center; cursor: pointer; transition: all 0.2s; background: var(--white); }
.upload-zone:hover, .upload-zone.dragover { border-color: var(--orange); background: var(--warm); }
.upload-zone .icon { font-size: 48px; margin-bottom: 12px; }
.upload-zone p { color: var(--gray); }
.preview-img { max-width: 400px; max-height: 300px; border-radius: 12px; margin: 16px auto; display: block; }

/* Results */
.results { margin-top: 32px; display: none; }
.result-tabs { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.tab-btn { padding: 8px 20px; border-radius: 20px; border: 2px solid #ddd; background: var(--white); cursor: pointer; font-weight: 500; transition: all 0.2s; }
.tab-btn.active { border-color: var(--orange); background: var(--orange); color: white; }
.tab-content { display: none; background: var(--white); border-radius: 12px; padding: 24px; box-shadow: var(--shadow); }
.tab-content.active { display: block; }
.tab-content h3 { margin-bottom: 12px; color: var(--orange); }
.tab-content p { margin-bottom: 8px; }
.copy-btn { background: var(--warm); border: none; padding: 6px 14px; border-radius: 6px; cursor: pointer; font-size: 13px; font-weight: 600; color: var(--orange); }
.copy-btn:hover { background: var(--orange); color: white; }
.hashtags span { display: inline-block; background: var(--warm); padding: 4px 12px; border-radius: 20px; margin: 4px; font-size: 14px; color: var(--orange); }
.tip-item { padding: 8px 0; border-bottom: 1px solid #f0ebe4; }
.platform-item { margin-bottom: 12px; }
.platform-item strong { color: var(--dark); }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; margin-top: 24px; }
.gallery-card { background: var(--white); border-radius: 12px; padding: 16px; box-shadow: var(--shadow); }
.gallery-card h4 { margin-bottom: 4px; }
.gallery-card p { font-size: 13px; color: var(--gray); }
.gallery-card .date { font-size: 12px; color: #999; }

.loading { display: none; text-align: center; padding: 32px; }
.spinner { display: inline-block; width: 40px; height: 40px; border: 4px solid #eee; border-top-color: var(--orange); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
footer { background: var(--dark); color: #ccc; padding: 40px 0; text-align: center; }
footer a { color: var(--orange); }

@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .app-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
}