:root{--primary: #667eea;--primary-dark: #5a67d8;--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--bg: #f0f2f6;--card-bg: #ffffff;--text-primary: #1a1a2e;--text-secondary: #8e8ea0;--text-muted: #b0b0c0;--accent-green: #00d68f;--accent-green-bg: #e8f8f2;--accent-orange: #ffa726;--accent-orange-bg: #fff4e5;--accent-red: #ff4757;--accent-red-bg: #ffe8ea;--accent-blue: #54a0ff;--accent-blue-bg: #e8f0ff;--accent-purple: #a855f7;--accent-purple-bg: #f3e8ff;--border: #edf2f7;--radius: 16px;--radius-sm: 10px;--radius-xs: 8px;--shadow: 0 2px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .1);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg);color:var(--text-primary);line-height:1.5;overflow-x:hidden}a{color:var(--primary);text-decoration:none}.page{min-height:100vh;padding-bottom:80px;background:var(--bg)}.page-auth{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--primary-gradient);padding:20px}.card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:12px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:16px;font-weight:600;color:var(--text-primary)}.card-subtitle{font-size:13px;color:var(--text-secondary);margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:var(--radius-xs);font-size:15px;font-weight:500;padding:12px 24px;cursor:pointer;transition:all .2s;width:100%;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.97)}.btn-primary{background:var(--primary-gradient);color:#fff;box-shadow:0 4px 14px #667eea66}.btn-primary:active{box-shadow:0 2px 8px #667eea4d}.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}.btn-green{background:var(--accent-green);color:#fff;box-shadow:0 4px 14px #00d68f66}.btn-orange{background:var(--accent-orange);color:#fff;box-shadow:0 4px 14px #ffa72666}.btn-sm{padding:8px 16px;font-size:13px;width:auto}.btn-block{width:100%}.input-group{margin-bottom:16px}.input-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.input-field{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--radius-xs);font-size:15px;color:var(--text-primary);background:var(--card-bg);transition:border-color .2s;outline:none;-webkit-appearance:none}.input-field:focus{border-color:var(--primary);box-shadow:0 0 0 3px #667eea1a}.input-field::placeholder{color:var(--text-muted)}select.input-field{-webkit-appearance:auto;appearance:auto}textarea.input-field{resize:vertical;min-height:80px}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500}.badge-pending{background:var(--accent-orange-bg);color:var(--accent-orange)}.badge-approved{background:var(--accent-blue-bg);color:var(--accent-blue)}.badge-paid{background:var(--accent-green-bg);color:var(--accent-green)}.badge-rejected{background:var(--accent-red-bg);color:var(--accent-red)}.badge-done{background:var(--accent-green-bg);color:var(--accent-green)}.badge-available{background:var(--accent-orange-bg);color:var(--accent-orange)}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 0;color:var(--text-secondary);font-size:14px}.loading-spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:12px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.fade-in{animation:fadeInUp .4s ease-out}.toast-container{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:9999}.toast{background:#000c;color:#fff;padding:12px 24px;border-radius:var(--radius-xs);font-size:14px;animation:fadeInUp .3s ease-out;text-align:center;max-width:80vw;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.page-header{background:var(--primary-gradient);padding:16px 20px;color:#fff;position:sticky;top:0;z-index:100}.page-header-title{font-size:18px;font-weight:600}.page-header-back{display:flex;align-items:center;gap:8px;color:#fff;font-size:15px;cursor:pointer;background:none;border:none;padding:0;margin:0}.empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary)}.empty-state-icon{font-size:48px;margin-bottom:12px;opacity:.5}.empty-state-text{font-size:14px}@media(min-width:768px){.page{max-width:480px;margin:0 auto;border-left:1px solid var(--border);border-right:1px solid var(--border);box-shadow:var(--shadow-lg)}.page-auth{max-width:480px;margin:0 auto;border-radius:0}}