:root{--bg: #0B0F14;--card: #121820;--border: rgba(148, 163, 184, .15);--accent: #2563EB;--accent-secondary: #38BDF8;--success: #22C55E;--error: #EF4444;--text: #FFFFFF;--text-secondary: #94A3B8}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,SF Pro Display,sans-serif}button{font-family:inherit;cursor:pointer}input,textarea{font-family:inherit}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:40px;width:320px;display:flex;flex-direction:column;gap:12px}.login-card h1{margin:0;text-align:center}.login-subtitle{text-align:center;color:var(--text-secondary);margin:0 0 12px}.login-card input{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:12px 14px;color:var(--text);font-size:15px}.login-card button{background:var(--accent);border:none;border-radius:10px;padding:12px;color:#fff;font-size:15px;font-weight:600;margin-top:8px}.login-card button:disabled{opacity:.5;cursor:not-allowed}.login-error{background:#ef44441f;color:var(--error);padding:10px 12px;border-radius:8px;font-size:14px}.admin-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--card);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 16px;flex-shrink:0}.sidebar-logo{font-size:22px;font-weight:700}.sidebar-subtitle{color:var(--text-secondary);font-size:13px;margin-bottom:24px}.sidebar nav{display:flex;flex-direction:column;gap:4px;flex:1}.sidebar nav button{text-align:left;background:none;border:none;color:var(--text-secondary);padding:10px 12px;border-radius:10px;font-size:15px}.sidebar nav button.active{background:var(--accent);color:#fff}.sidebar-footer{border-top:1px solid var(--border);padding-top:16px;display:flex;flex-direction:column;gap:8px}.sidebar-admin{color:var(--text-secondary);font-size:13px}.logout-button{background:none;border:1px solid var(--border);color:var(--text);padding:8px;border-radius:8px}.admin-content{flex:1;padding:32px 40px;overflow-y:auto;max-height:100vh}.page-title{margin:0 0 20px}.page-loading{color:var(--text-secondary);padding:40px 0}.muted{color:var(--text-secondary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:8px}.stat-card span{color:var(--text-secondary);font-size:13px}.stat-card b{font-size:28px}.stat-good{color:var(--success)}.stat-bad{color:var(--error)}.data-table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden}.data-table th{text-align:left;padding:12px 16px;color:var(--text-secondary);font-size:13px;font-weight:500;border-bottom:1px solid var(--border)}.data-table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:14px}.data-table tbody tr:last-child td{border-bottom:none}.data-table tbody tr:hover{background:#94a3b80d;cursor:pointer}.empty-cell{text-align:center;color:var(--text-secondary);cursor:default}.status-badge{padding:3px 10px;border-radius:20px;font-size:12px}.status-active{background:#22c55e26;color:var(--success)}.status-blocked{background:#ef444426;color:var(--error)}.amount-positive{color:var(--success)}.amount-negative{color:var(--error)}.actions-cell{display:flex;gap:8px}.actions-cell button{background:#94a3b81f;border:none;color:var(--text);padding:6px 10px;border-radius:8px;font-size:13px}.actions-cell button.danger{background:#ef444426;color:var(--error)}.search-bar{display:flex;gap:10px;margin-bottom:20px}.search-bar input{flex:1;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:10px 14px;color:var(--text)}.search-bar button{background:var(--accent);border:none;color:#fff;padding:10px 20px;border-radius:10px}.back-link{background:none;border:none;color:var(--accent-secondary);font-size:14px;padding:0;margin-bottom:12px}.detail-grid{margin:20px 0}.panel{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;max-width:420px}.panel h2{margin:0 0 16px}.balance-form{display:flex;gap:8px}.balance-form input{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:10px 12px;color:var(--text)}.balance-form button{background:#94a3b81f;border:none;color:var(--text);padding:10px 16px;border-radius:10px}.section-title{margin:30px 0 14px;font-size:18px}.period-filter{display:flex;gap:8px;margin-bottom:20px}.period-filter button{background:var(--card);border:1px solid var(--border);color:var(--text-secondary);padding:8px 16px;border-radius:20px;font-size:14px}.period-filter button.active{background:var(--accent);border-color:var(--accent);color:#fff}.broadcast-textarea{width:100%;max-width:600px;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;color:var(--text);font-size:15px;resize:vertical;margin-bottom:16px;display:block}.primary-button{background:var(--accent);border:none;color:#fff;padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600}.primary-button:disabled{opacity:.5;cursor:not-allowed}.broadcast-success{background:#22c55e1f;color:var(--success);padding:10px 12px;border-radius:8px;margin-top:16px;max-width:600px}