:root { --bg-color: #000000; --card-bg: #121212; --primary-color: #007bff; --text-color: #ffffff; --input-bg: #1e1e1e; --border-color: #333; }
* { box-sizing: border-box; margin: 0; padding: 0; font-family: sans-serif; -webkit-tap-highlight-color: transparent; }
body { background: var(--bg-color); color: var(--text-color); }
.login-container { display: flex; flex-direction: column; align-items: center; padding-top: 60px; min-height: 100vh; padding: 60px 20px; background: var(--bg-color); }
.logo-login { width: 150px; margin-bottom: 20px; border-radius: 20px; }
input, textarea, select { width: 100%; padding: 15px; margin-bottom: 15px; background: var(--input-bg); border: 1px solid var(--border-color); border-radius: 12px; color: #fff; font-size: 16px; outline: none; }
.btn-primary { width: 100%; padding: 15px; background: var(--primary-color); color: white; border: none; border-radius: 12px; font-weight: bold; font-size: 16px; margin-top: 10px; }
.screen { display: none; padding-bottom: 90px; }
.screen.active { display: block; }
.app-header { background: #000; padding: 15px 20px; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; border-bottom: 1px solid #222; z-index: 10; }
.logo-area { font-size: 18px; font-weight: bold; color: #fff; }
.tabs { display: flex; background: #000; padding: 5px; border-bottom: 1px solid #222; }
.tab { flex: 1; text-align: center; padding: 12px; color: #666; }
.tab.active { color: var(--primary-color); border-bottom: 2px solid var(--primary-color); }
.empty-state { margin-top: 80px; text-align: center; color: #666; }
.fab { position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px; background: var(--primary-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 30px; box-shadow: 0 4px 10px rgba(0,0,0,0.5); }
.camera-placeholder { width: 100%; height: 250px; background: #111; border: 2px dashed #333; border-radius: 15px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }