:root { --bg: #0b1020; --panel: #141a2f; --panel-2: #0f1528; --text: #e6eaf2; --muted: #9aa3b2; --primary: #5b8cff; --primary-600: #4879f0; --border: #232b45; --danger: #ff6b6b; }
* { box-sizing: border-box; }
html, body { height: 100%; }
body { font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; background: radial-gradient(1200px 800px at 80% -10%, #1a2250 0%, var(--bg) 50%), var(--bg); color: var(--text); margin: 0; }
.app { min-height: 100%; display: flex; flex-direction: column; }

.app-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; border-bottom: 1px solid var(--border); background: rgba(10,14,26,0.6); backdrop-filter: saturate(120%) blur(6px); position: sticky; top: 0; z-index: 10; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), #70a1ff); display: grid; place-items: center; font-weight: 800; color: white; letter-spacing: 0.5px; }
.app-header h1 { font-size: 18px; margin: 0; font-weight: 700; }
.user { display: flex; align-items: center; gap: 8px; }
.username { color: var(--muted); }

.app-main { width: 100%; max-width: 2400px; margin: 24px auto; padding: 0 24px; display: grid; gap: 16px; }
.card { background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%); border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 10px 30px rgba(0,0,0,0.25); }
.controls { padding: 14px; }
.control-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
label { color: var(--muted); font-weight: 600; }
input[type="date"] { background: #0d1430; color: var(--text); border: 1px solid var(--border); padding: 8px 10px; border-radius: 10px; outline: none; }

.btn { appearance: none; border: 0; border-radius: 10px; padding: 10px 14px; font-weight: 600; cursor: pointer; }
.btn-primary { background: var(--primary); color: white; box-shadow: 0 6px 16px rgba(91,140,255,0.35); }
.btn-primary:hover { background: var(--primary-600); }
.btn-text { background: transparent; color: var(--muted); }
.btn-text:hover { color: var(--text); }

.muted { color: var(--muted); margin-left: 8px; }
.alert { background: rgba(255,107,107,0.1); color: #ffdadd; border: 1px solid rgba(255,107,107,0.25); padding: 10px 12px; border-radius: 10px; margin-top: 12px; }
.hidden { display: none; }

.table-card { padding: 0; overflow: hidden; }
.table-wrapper { position: relative; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 960px; }
.data-table thead th { position: sticky; top: 0; background: #121834; color: var(--muted); text-align: left; padding: 12px; font-weight: 700; border-bottom: 1px solid var(--border); }
.data-table tbody td { padding: 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table tbody tr:hover { background: rgba(255,255,255,0.03); }
.data-table tbody tr:nth-child(even) { background: rgba(255,255,255,0.02); }

.loading { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; background: rgba(11,16,32,0.65); backdrop-filter: blur(2px); }
.spinner { width: 28px; height: 28px; border-radius: 50%; border: 3px solid rgba(255,255,255,0.2); border-top-color: #fff; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Ensure hidden overrides loading display */
.loading.hidden { display: none !important; }

.app-footer { margin-top: auto; padding: 12px 24px; border-top: 1px solid var(--border); color: var(--muted); font-size: 12px; text-align: center; }