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

:root {
  --bg: #10161d;
  --panel: #17202b;
  --panel-alt: #1c2632;
  --border: #2a3542;
  --text: #e9eef2;
  --text-dim: #8fa0af;
  --teal: #35d0c0;
  --teal-dim: rgba(53, 208, 192, 0.15);
  --amber: #f2a154;
  --coral: #ef6462;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}

h1, .num, .gauge-label, .btn {
  font-family: "Space Grotesk", -apple-system, sans-serif;
}

.wrap { max-width: 1040px; margin: 0 auto; padding: 36px 24px 80px; }
.center { display: flex; align-items: center; justify-content: center; min-height: 100vh; }

/* ---------- topbar ---------- */
.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.topbar h1 { font-size: 1.4rem; font-weight: 700; margin: 0; letter-spacing: -0.01em; }
.session-info { display: flex; align-items: baseline; gap: 16px; }
.session-info span { color: var(--text-dim); font-size: 0.85rem; }
.session-info a { color: var(--text-dim); font-size: 0.85rem; text-decoration: none; border-bottom: 1px solid var(--border); }
.session-info a:hover { color: var(--text); border-color: var(--text-dim); }

/* ---------- section headings ---------- */
.section-title {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0 0 12px;
  font-weight: 500;
}

section { margin-bottom: 36px; }

/* ---------- pool gauge (hero) ---------- */
.pool {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 28px 24px;
}
.pool-figure { display: flex; align-items: flex-end; gap: 10px; margin-bottom: 16px; }
.pool-figure .num { font-size: 2.6rem; font-weight: 700; line-height: 1; letter-spacing: -0.02em; }
.pool-figure .unit { font-size: 1.1rem; color: var(--text-dim); font-weight: 500; padding-bottom: 3px; }
.pool-sub { color: var(--text-dim); font-size: 0.88rem; margin: 0 0 18px; }
.gauge-track {
  position: relative;
  height: 22px;
  border-radius: 999px;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  overflow: hidden;
}
.gauge-fill {
  height: 100%;
  border-radius: 999px;
  width: 0%;
  transition: width 900ms cubic-bezier(0.16, 1, 0.3, 1);
}
.gauge-fill.healthy { background: linear-gradient(90deg, var(--teal), #23a99c); }
.gauge-fill.warning { background: linear-gradient(90deg, var(--amber), #d98639); }
.gauge-fill.critical { background: linear-gradient(90deg, var(--coral), #d84a48); }

/* ---------- drive tanks ---------- */
.tanks-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.tanks-head .section-title { margin: 0; }
.tanks { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.tank {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
}
.tank-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 2px; }
.tank-label { font-weight: 600; font-size: 0.92rem; }
.tank-primary-tag {
  font-size: 0.68rem;
  color: var(--teal);
  background: var(--teal-dim);
  padding: 2px 7px;
  border-radius: 999px;
  font-weight: 600;
}
.tank-email { color: var(--text-dim); font-size: 0.78rem; margin-bottom: 12px; word-break: break-all; }
.tank-track {
  height: 8px;
  border-radius: 999px;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 8px;
}
.tank-fill { height: 100%; border-radius: 999px; width: 0%; transition: width 900ms cubic-bezier(0.16, 1, 0.3, 1); }
.tank-fill.healthy { background: var(--teal); }
.tank-fill.warning { background: var(--amber); }
.tank-fill.critical { background: var(--coral); }
.tank-stats { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--text-dim); }
.tank-stats strong { color: var(--text); font-weight: 600; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--teal);
  color: #0b1512;
  padding: 9px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  border: none;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); font-family: inherit; }
.btn.secondary:hover { border-color: var(--text-dim); }
.btn.danger { background: transparent; border: 1px solid var(--coral); color: var(--coral); }
.btn.danger:hover { background: rgba(239, 100, 98, 0.1); }
.btn[disabled] { opacity: 0.4; cursor: not-allowed; }

/* ---------- upload / dropzone ---------- */
.dropzone {
  border: 1.5px dashed var(--border);
  border-radius: 12px;
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 150ms, background 150ms;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--teal); background: var(--teal-dim); }
.dropzone svg { color: var(--text-dim); margin-bottom: 10px; }
.dropzone.dragover svg { color: var(--teal); }
.dropzone p { margin: 0; color: var(--text-dim); font-size: 0.9rem; }
.dropzone button { background: none; border: none; color: var(--teal); font-weight: 600; cursor: pointer; padding: 0; font-size: 0.9rem; text-decoration: underline; }
.upload-hint { color: var(--text-dim); font-size: 0.82rem; margin: 10px 2px 14px; }

.progress-wrap { margin-top: 14px; }
.progress-track { height: 10px; border-radius: 999px; background: var(--panel-alt); border: 1px solid var(--border); overflow: hidden; }
.progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--teal), #23a99c); border-radius: 999px; transition: width 120ms linear; }
.progress-label { font-size: 0.8rem; color: var(--text-dim); margin-top: 6px; display: block; }

/* ---------- file manifest table ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 6px; border-bottom: 1px solid var(--border); font-size: 0.87rem; }
th { color: var(--text-dim); font-weight: 500; font-size: 0.78rem; }
tbody tr:last-child td { border-bottom: none; }
td.actions { display: flex; gap: 8px; justify-content: flex-end; }
td.actions .btn { padding: 6px 14px; font-size: 0.78rem; }
.empty-row { color: var(--text-dim); text-align: center; padding: 24px 0; }

@media (max-width: 560px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .pool-figure .num { font-size: 2rem; }
  td.actions { flex-direction: column; }
}

/* ---------- upload row (hint + import button) ---------- */
.upload-row { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-top: 10px; }
.muted-hint { color: var(--text-dim); font-size: 0.78rem; cursor: help; border-bottom: 1px dotted var(--border); }

/* ---------- files section head + new folder form ---------- */
.files-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.files-head .section-title { margin: 0; }
.new-folder-form { display: flex; gap: 8px; margin-bottom: 16px; }
.new-folder-form input[type="text"] {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.85rem;
  font-family: inherit;
  flex: 1;
  max-width: 260px;
}
.new-folder-form input[type="text"]:focus { outline: none; border-color: var(--teal); }

/* ---------- breadcrumbs ---------- */
.breadcrumbs { display: flex; align-items: center; gap: 6px; margin-bottom: 14px; font-size: 0.85rem; }
.breadcrumbs a { color: var(--text-dim); text-decoration: none; }
.breadcrumbs a:hover { color: var(--teal); }
.breadcrumbs .crumb-sep { color: var(--border); }
.breadcrumbs .crumb-current { color: var(--text); font-weight: 600; }

/* ---------- folder grid ---------- */
.folder-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.folder-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 8px 8px 14px;
}
.folder-chip a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.87rem;
  font-weight: 500;
}
.folder-chip svg { color: var(--teal); flex-shrink: 0; }
.folder-chip a:hover { color: var(--teal); }
.folder-delete {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 6px;
}
.folder-delete:hover { color: var(--coral); background: rgba(239, 100, 98, 0.1); }

/* ---------- checkboxes + bulk delete bar ---------- */
.checkbox-col { width: 36px; }
.file-checkbox, #selectAll { width: 15px; height: 15px; accent-color: var(--teal); cursor: pointer; }
.bulk-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 10px;
  font-size: 0.85rem;
}
.bulk-bar strong { color: var(--text); }

/* ---------- loading skeleton (storage numbers arrive async) ---------- */
.skeleton-text { color: var(--text-dim); opacity: 0.6; }
.skeleton-fill {
  background: linear-gradient(90deg, var(--panel-alt), var(--border), var(--panel-alt));
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s ease-in-out infinite;
}
@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- welcome / onboarding page ---------- */
.wrap.narrow { max-width: 700px; }
.hero { text-align: center; margin-bottom: 28px; }
.hero .login-icon { color: var(--teal); }
.hero h1 { margin: 12px 0 6px; font-size: 1.7rem; }
.hero-sub { color: var(--text-dim); font-size: 0.9rem; margin: 0; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  margin-bottom: 18px;
}
.card .section-title { margin-top: 0; }
.muted-p { color: var(--text-dim); font-size: 0.88rem; line-height: 1.6; margin: 6px 0 0; }

.banner {
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 0.88rem;
  margin-bottom: 18px;
}
.banner-error { background: rgba(239, 100, 98, 0.12); border: 1px solid var(--coral); color: #ffd4d3; }

.security-callout { display: flex; gap: 14px; align-items: flex-start; border-color: var(--teal); }
.security-callout svg { color: var(--teal); flex-shrink: 0; margin-top: 2px; }
.security-callout strong { display: block; margin-bottom: 6px; font-size: 0.95rem; }
.security-callout p { color: var(--text-dim); font-size: 0.87rem; line-height: 1.6; margin: 0; }

.toggle-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}
.toggle-chevron { color: var(--text-dim); font-size: 0.7rem; }

.steps { margin: 16px 0 12px; padding-left: 22px; color: var(--text); font-size: 0.9rem; line-height: 1.7; }
.steps li { margin-bottom: 16px; }
.steps ul { margin: 8px 0; padding-left: 20px; color: var(--text-dim); font-size: 0.87rem; }
.steps ul li { margin-bottom: 8px; }
.steps a { color: var(--teal); }

.code-block {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  margin: 6px 0;
  font-size: 0.82rem;
  color: var(--teal);
  word-break: break-all;
}
.code-block code { display: block; }
.code-block.copyable { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.code-block.copyable code { flex: 1; }
.copy-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.76rem;
  cursor: pointer;
  flex-shrink: 0;
}
.copy-btn:hover { border-color: var(--teal); color: var(--teal); }

.setup-form { display: flex; flex-direction: column; gap: 14px; margin-top: 10px; }
.setup-form label { font-size: 0.85rem; color: var(--text-dim); display: flex; flex-direction: column; gap: 6px; }
.setup-form input[type="email"], .setup-form input[type="text"], .setup-form input[type="password"] {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.9rem;
  font-family: inherit;
}
.setup-form input:focus { outline: none; border-color: var(--teal); }
.password-row { display: flex; gap: 8px; }
.password-row input { flex: 1; }
.setup-form .btn { margin-top: 6px; align-self: flex-start; }

/* ---------- inline button loading state ---------- */
.spinner {
  display: inline-block;
  width: 11px;
  height: 11px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: -1.5px;
  margin-right: 6px;
}
.spinner.standalone { margin-right: 0; }
@keyframes spin { to { transform: rotate(360deg); } }
.btn.is-loading { opacity: 0.7; cursor: wait; }