/* AlphaCore Backup Platform - Main Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg:        #0d1117;
  --bg2:       #161b22;
  --bg3:       #21262d;
  --border:    #30363d;
  --text:      #e6edf3;
  --text2:     #8b949e;
  --accent:    #1f6feb;
  --accent2:   #388bfd;
  --success:   #2ea043;
  --warn:      #d29922;
  --danger:    #da3633;
  --radius:    8px;
  --radius-lg: 12px;
  --shadow:    0 2px 8px rgba(0,0,0,0.4);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Layout ── */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-logo svg { color: var(--accent2); flex-shrink: 0; }
.sidebar-logo span { font-size: 13px; font-weight: 700; color: var(--text); letter-spacing: 0.3px; }
.sidebar-logo small { display: block; font-size: 10px; color: var(--text2); font-weight: 400; }

.sidebar-nav { flex: 1; padding: 12px 0; }

.nav-section { padding: 8px 18px 4px; font-size: 10px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: 1px; }

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 18px;
  color: var(--text2);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}
.nav-item:hover { color: var(--text); background: var(--bg3); }
.nav-item.active { color: var(--accent2); background: rgba(31,111,235,0.1); border-left-color: var(--accent2); }
.nav-item svg { flex-shrink: 0; }

.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text2);
}

.main { margin-left: 240px; flex: 1; display: flex; flex-direction: column; }

.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0; z-index: 50;
}
.topbar h1 { font-size: 16px; font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

.content { padding: 28px; flex: 1; }

/* ── Cards ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-size: 14px; font-weight: 600; }

/* ── Grid ── */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ── Stat boxes ── */
.stat-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex; align-items: flex-start; gap: 14px;
}
.stat-icon {
  width: 40px; height: 40px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.stat-icon.blue   { background: rgba(31,111,235,0.15); color: var(--accent2); }
.stat-icon.green  { background: rgba(46,160,67,0.15);  color: var(--success); }
.stat-icon.red    { background: rgba(218,54,51,0.15);  color: var(--danger); }
.stat-icon.yellow { background: rgba(210,153,34,0.15); color: var(--warn); }
.stat-label { font-size: 12px; color: var(--text2); margin-bottom: 2px; }
.stat-value { font-size: 22px; font-weight: 700; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: var(--radius); border: none;
  font-size: 13px; font-weight: 500; cursor: pointer;
  text-decoration: none; transition: all 0.15s;
}
.btn-primary   { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent2); }
.btn-success   { background: var(--success); color: #fff; }
.btn-success:hover { opacity: 0.9; }
.btn-danger    { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; }
.btn-secondary { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { padding: 6px; }

/* ── Tables ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th { padding: 10px 14px; text-align: left; font-size: 11px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border); }
tbody td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(255,255,255,0.02); }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text2); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-control {
  width: 100%; background: var(--bg3); border: 1px solid var(--border);
  color: var(--text); padding: 8px 12px; border-radius: var(--radius);
  font-size: 13px; font-family: inherit; transition: border-color 0.15s;
}
.form-control:focus { outline: none; border-color: var(--accent); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-hint { font-size: 11px; color: var(--text2); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 600;
}
.badge-green  { background: rgba(46,160,67,0.2);  color: #56d364; }
.badge-red    { background: rgba(218,54,51,0.2);  color: #f85149; }
.badge-yellow { background: rgba(210,153,34,0.2); color: #e3b341; }
.badge-blue   { background: rgba(31,111,235,0.2); color: var(--accent2); }
.badge-gray   { background: var(--bg3);            color: var(--text2); }

/* ── Status dots ── */
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-green  { background: var(--success); box-shadow: 0 0 6px var(--success); }
.dot-red    { background: var(--danger); }
.dot-yellow { background: var(--warn); }
.dot-gray   { background: var(--text2); }

/* ── Backup heatmap (30-day history) ── */
.heatmap { display: flex; gap: 3px; align-items: center; }
.hm-day {
  width: 12px; height: 12px; border-radius: 2px;
  background: var(--bg3); border: 1px solid var(--border);
  cursor: pointer; position: relative;
}
.hm-day.success { background: var(--success); border-color: var(--success); }
.hm-day.failed  { background: var(--danger); border-color: var(--danger); }
.hm-day.partial { background: var(--warn); border-color: var(--warn); }
.hm-day:hover::after {
  content: attr(data-tip);
  position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%);
  background: var(--bg); border: 1px solid var(--border); padding: 4px 8px;
  border-radius: 4px; font-size: 11px; white-space: nowrap; z-index: 10;
}

/* ── Modal ── */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center; z-index: 1000;
  opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.modal-backdrop.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  width: 100%; max-width: 540px; max-height: 90vh; overflow-y: auto;
  transform: translateY(20px); transition: transform 0.2s;
}
.modal-backdrop.open .modal { transform: translateY(0); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.modal-title { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--text2); cursor: pointer; padding: 4px; }
.modal-close:hover { color: var(--text); }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* ── Alerts ── */
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 13px; display: flex; gap: 10px; align-items: flex-start; }
.alert-success { background: rgba(46,160,67,0.15); border: 1px solid var(--success); color: #56d364; }
.alert-danger   { background: rgba(218,54,51,0.15);  border: 1px solid var(--danger);  color: #f85149; }
.alert-info     { background: rgba(31,111,235,0.15); border: 1px solid var(--accent);  color: var(--accent2); }
.alert-warn     { background: rgba(210,153,34,0.15); border: 1px solid var(--warn);    color: #e3b341; }

/* ── Code ── */
code, .mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; }
.code-block { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; font-family: 'JetBrains Mono', monospace; font-size: 12px; overflow-x: auto; white-space: pre; }

/* ── Tabs ── */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab-btn { padding: 8px 16px; background: none; border: none; color: var(--text2); cursor: pointer; font-size: 13px; font-weight: 500; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all 0.15s; }
.tab-btn.active { color: var(--accent2); border-bottom-color: var(--accent2); }
.tab-btn:hover { color: var(--text); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Progress ── */
.progress { background: var(--bg3); border-radius: 20px; height: 8px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--accent); border-radius: 20px; transition: width 0.3s; }
.progress-bar.green { background: var(--success); }

/* ── Empty state ── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text2); }
.empty-state svg { margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 14px; }

/* ── Login page ── */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.login-box { width: 100%; max-width: 380px; }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo svg { color: var(--accent2); }
.login-logo h1 { font-size: 20px; font-weight: 700; margin-top: 10px; }
.login-logo p { color: var(--text2); font-size: 13px; }
.login-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main { margin-left: 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ── Utils ── */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mb-3 { margin-bottom: 16px; }
.text-sm { font-size: 12px; }
.text-muted { color: var(--text2); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-right { text-align: right; }
.w-full { width: 100%; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }