@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #0f1419;
  --panel: #161b22;
  --panel-alt: #1c232c;
  --border: #2a313c;
  --text: #c9d1d9;
  --muted: #6e7681;
  --blue: #58a6ff;      /* primäre Aktion */
  --green: #3fb950;     /* frei / Erfolg */
  --amber: #e3b341;     /* Warnung */
  --coral: #f85149;     /* Gefahr / löschen */
  --radius: 6px;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* -------- Layout -------- */
.shell { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }

.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 8px var(--blue); }

.storage-ring-wrap { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 8px 0; }
.storage-ring {
  width: 108px; height: 108px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: conic-gradient(var(--blue) calc(var(--pct) * 1%), var(--panel-alt) 0);
  position: relative;
}
.storage-ring::before {
  content: "";
  position: absolute;
  width: 82px; height: 82px;
  border-radius: 50%;
  background: var(--panel);
}
.storage-ring .ring-label { position: relative; font-family: var(--mono); font-size: 18px; font-weight: 700; }
.storage-caption { font-size: 11px; color: var(--muted); text-align: center; line-height: 1.5; }

.search-box { display: flex; gap: 6px; }
.search-box input {
  flex: 1; background: var(--panel-alt); border: 1px solid var(--border); color: var(--text);
  padding: 8px 10px; border-radius: var(--radius); font-family: var(--mono); font-size: 13px;
}
.search-box input:focus { outline: 1px solid var(--blue); }

.nav a { display: block; padding: 9px 10px; border-radius: var(--radius); color: var(--muted); font-size: 14px; font-weight: 500; margin-bottom: 2px; }
.nav a:hover, .nav a.active { background: var(--panel-alt); color: var(--text); }

.sidebar-footer { margin-top: auto; font-size: 12px; color: var(--muted); }
.sidebar-footer a { color: var(--blue); }

.main { padding: 32px 40px; max-width: 1200px; }

.page-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 20px; gap: 16px; flex-wrap: wrap; }
h1 { font-family: var(--mono); font-size: 24px; margin: 0 0 4px 0; letter-spacing: -0.5px; }
.subtitle { color: var(--muted); font-size: 14px; }

/* -------- Breadcrumbs -------- */
.breadcrumbs { display: flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 13px; color: var(--muted); margin-bottom: 20px; flex-wrap: wrap; }
.breadcrumbs a:hover { color: var(--blue); }
.breadcrumbs .sep { color: var(--border); }

/* -------- Buttons -------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--blue); color: #0b1420; border: none;
  padding: 10px 16px; border-radius: var(--radius); font-weight: 600; font-size: 14px;
  cursor: pointer; font-family: var(--sans);
}
.btn:hover { filter: brightness(1.1); }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: var(--coral); color: #1a0d0d; }
.btn.small { padding: 6px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.toolbar { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }

/* -------- Cards -------- */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }

/* -------- File table -------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: 0.5px; padding: 10px 12px; border-bottom: 1px solid var(--border); }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
tr.file-row:hover td { background: var(--panel-alt); }
.name-cell { display: flex; align-items: center; gap: 10px; font-family: var(--mono); cursor: pointer; }
.icon { width: 18px; text-align: center; flex-shrink: 0; }
.icon.folder { color: var(--blue); }
.icon.file { color: var(--muted); }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; opacity: 0; transition: opacity .1s; }
tr.file-row:hover .row-actions { opacity: 1; }
.icon-btn {
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  border-radius: 4px; padding: 4px 7px; cursor: pointer; font-size: 12px;
}
.icon-btn:hover { color: var(--text); border-color: var(--blue); }
.icon-btn.danger:hover { color: var(--coral); border-color: var(--coral); }
.muted { color: var(--muted); }

/* -------- Drop zone -------- */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 28px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 20px;
  transition: border-color .15s, background .15s;
}
.dropzone.dragover { border-color: var(--blue); background: rgba(88,166,255,0.06); color: var(--text); }

/* -------- Forms -------- */
.form-grid { display: grid; gap: 16px; max-width: 480px; }
label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 6px; font-weight: 500; }
input, select, textarea {
  width: 100%; background: var(--panel-alt); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: var(--radius); font-family: var(--sans); font-size: 14px;
}
input:focus, select:focus, textarea:focus { outline: 1px solid var(--blue); }

.flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 20px; font-size: 14px; }
.flash.error { background: rgba(248,81,73,0.15); border: 1px solid var(--coral); color: var(--coral); }
.flash.success { background: rgba(63,185,80,0.15); border: 1px solid var(--green); color: var(--green); }

/* -------- Modal -------- */
.modal-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); align-items: center; justify-content: center; z-index: 100; }
.modal-backdrop.open { display: flex; }
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 24px; width: 420px; max-width: 92vw; }
.modal h3 { font-family: var(--mono); margin-top: 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

.folder-tree { max-height: 260px; overflow-y: auto; border: 1px solid var(--border); border-radius: var(--radius); padding: 8px; background: var(--panel-alt); }
.folder-tree-item { padding: 6px 8px; border-radius: 4px; cursor: pointer; font-size: 13px; font-family: var(--mono); }
.folder-tree-item:hover { background: rgba(88,166,255,0.12); }
.folder-tree-item.selected { background: rgba(88,166,255,0.2); color: var(--blue); }
.folder-tree-children { margin-left: 16px; }

.nav-heading { font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); padding: 6px 10px 2px; }
.admin-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: 4px;
  padding: 1px 5px;
  margin-left: 6px;
  vertical-align: middle;
}

.workspace-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.workspace-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 22px;
  transition: border-color .15s, transform .1s;
}
.workspace-card:hover { border-color: var(--blue); transform: translateY(-2px); }
.workspace-icon { font-size: 28px; margin-bottom: 12px; }
.workspace-name { font-family: var(--mono); font-weight: 700; font-size: 16px; margin-bottom: 6px; }
.workspace-desc { color: var(--muted); font-size: 13px; line-height: 1.5; }

/* -------- Login -------- */
.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 36px; width: 360px; }
.login-card .brand { justify-content: center; margin-bottom: 24px; font-size: 20px; }

.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }

/* -------- Storage detail bars -------- */
.folder-bar-row { display: grid; grid-template-columns: 160px 1fr 90px; align-items: center; gap: 12px; margin-bottom: 10px; font-size: 13px; }
.folder-bar-track { height: 8px; border-radius: 999px; background: var(--panel-alt); overflow: hidden; }
.folder-bar-fill { height: 100%; background: var(--blue); }

@media (max-width: 800px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { flex-direction: column; }
}