/* ============================================================
   SafeStar Kunden-Dashboard
   Eigenes, ruhiges Design-System. Light + Dark via [data-theme].
   ============================================================ */

:root {
  --ds-bg:        #f6f7f9;
  --ds-surface:   #ffffff;
  --ds-surface-2: #f3f4f6;
  --ds-border:    #e6e8eb;
  --ds-border-2:  #eef0f2;
  --ds-text:      #1a1d21;
  --ds-text-2:    #5b616b;
  --ds-text-3:    #8b919b;
  --ds-accent:    #2f6bed;
  --ds-accent-2:  #2457c9;
  --ds-accent-bg: #eaf1fe;
  --ds-green:     #1f9d57;
  --ds-green-bg:  #e6f6ec;
  --ds-amber:     #b7791f;
  --ds-amber-bg:  #fbf2dd;
  --ds-red:       #d14343;
  --ds-red-bg:    #fbe9e9;
  --ds-shadow:    0 1px 2px rgba(16,24,40,.04), 0 1px 3px rgba(16,24,40,.06);
  --ds-shadow-lg: 0 4px 16px rgba(16,24,40,.08), 0 2px 6px rgba(16,24,40,.05);
  --ds-radius:    12px;
  --ds-radius-sm: 8px;
  --ds-sidebar:   244px;
}

[data-theme="dark"] {
  --ds-bg:        #0d0f13;
  --ds-surface:   #15181e;
  --ds-surface-2: #1b1f27;
  --ds-border:    #262b34;
  --ds-border-2:  #20242c;
  --ds-text:      #e8eaed;
  --ds-text-2:    #a3aab5;
  --ds-text-3:    #6d747f;
  --ds-accent:    #5b8dff;
  --ds-accent-2:  #7aa2ff;
  --ds-accent-bg: #18233a;
  --ds-green:     #3ad07e;
  --ds-green-bg:  #14271c;
  --ds-amber:     #e3b14e;
  --ds-amber-bg:  #2a2212;
  --ds-red:       #f0716f;
  --ds-red-bg:    #2c1717;
  --ds-shadow:    0 1px 2px rgba(0,0,0,.3);
  --ds-shadow-lg: 0 8px 28px rgba(0,0,0,.45);
}

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

html { -webkit-text-size-adjust: 100%; }

body.ds {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--ds-bg);
  color: var(--ds-text);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.006em;
  transition: background-color .2s ease, color .2s ease;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ── App shell ──────────────────────────────────────────────── */
.ds-app { display: flex; min-height: 100vh; }

.ds-sidebar {
  width: var(--ds-sidebar);
  flex-shrink: 0;
  background: var(--ds-surface);
  border-right: 1px solid var(--ds-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  z-index: 40;
}
.ds-brand {
  display: flex; align-items: center; gap: .6rem;
  padding: 1.25rem 1.35rem;
  font-weight: 650;
  font-size: 1.02rem;
  letter-spacing: -.02em;
  border-bottom: 1px solid var(--ds-border-2);
}
.ds-brand img { width: 30px; height: 30px; border-radius: 7px; object-fit: cover; }
.ds-brand span { color: var(--ds-text-3); font-weight: 500; }

.ds-nav { padding: .85rem .7rem; display: flex; flex-direction: column; gap: 2px; flex: 1; }
.ds-nav-label {
  font-size: .7rem; text-transform: uppercase; letter-spacing: .07em;
  color: var(--ds-text-3); font-weight: 600; padding: .6rem .65rem .35rem;
}
.ds-nav-item {
  display: flex; align-items: center; gap: .7rem;
  padding: .56rem .65rem;
  border-radius: var(--ds-radius-sm);
  color: var(--ds-text-2);
  font-weight: 500; font-size: .9rem;
  transition: background-color .14s ease, color .14s ease;
}
.ds-nav-item svg { width: 18px; height: 18px; flex-shrink: 0; stroke-width: 1.8; }
.ds-nav-item:hover { background: var(--ds-surface-2); color: var(--ds-text); }
.ds-nav-item.active { background: var(--ds-accent-bg); color: var(--ds-accent); font-weight: 600; }

.ds-sidebar-foot { padding: .7rem; border-top: 1px solid var(--ds-border-2); }
.ds-user {
  display: flex; align-items: center; gap: .65rem;
  padding: .5rem .55rem; border-radius: var(--ds-radius-sm);
}
.ds-avatar {
  width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
  background: var(--ds-accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: .82rem;
}
.ds-user-meta { min-width: 0; line-height: 1.25; }
.ds-user-meta strong { display: block; font-size: .85rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ds-user-meta span { font-size: .74rem; color: var(--ds-text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }

/* ── Main ───────────────────────────────────────────────────── */
.ds-main { flex: 1; margin-left: var(--ds-sidebar); min-width: 0; display: flex; flex-direction: column; }
.ds-topbar {
  position: sticky; top: 0; z-index: 30;
  height: 60px; flex-shrink: 0;
  background: color-mix(in srgb, var(--ds-bg) 85%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--ds-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.6rem;
}
.ds-topbar-title { font-size: 1.02rem; font-weight: 650; letter-spacing: -.02em; }
.ds-topbar-title small { display: block; font-size: .76rem; font-weight: 400; color: var(--ds-text-3); }
.ds-topbar-actions { display: flex; align-items: center; gap: .6rem; }

.ds-content { padding: 1.8rem; max-width: 1180px; width: 100%; }

/* ── Icon button / theme toggle ─────────────────────────────── */
.ds-iconbtn {
  width: 38px; height: 38px; border-radius: var(--ds-radius-sm);
  border: 1px solid var(--ds-border); background: var(--ds-surface);
  color: var(--ds-text-2);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background-color .14s, color .14s, border-color .14s;
}
.ds-iconbtn:hover { background: var(--ds-surface-2); color: var(--ds-text); }
.ds-iconbtn svg { width: 18px; height: 18px; stroke-width: 1.8; }
.ds-theme-sun { display: none; }
[data-theme="dark"] .ds-theme-sun { display: block; }
[data-theme="dark"] .ds-theme-moon { display: none; }

/* ── Buttons ────────────────────────────────────────────────── */
.ds-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .58rem 1rem; border-radius: var(--ds-radius-sm);
  font-weight: 550; font-size: .88rem; border: 1px solid transparent;
  transition: background-color .14s, border-color .14s, opacity .14s;
  white-space: nowrap;
}
.ds-btn svg { width: 16px; height: 16px; stroke-width: 1.9; }
.ds-btn-primary { background: var(--ds-accent); color: #fff; }
.ds-btn-primary:hover { background: var(--ds-accent-2); }
.ds-btn-ghost { background: var(--ds-surface); border-color: var(--ds-border); color: var(--ds-text); }
.ds-btn-ghost:hover { background: var(--ds-surface-2); }
.ds-btn-danger { background: transparent; border-color: var(--ds-border); color: var(--ds-red); }
.ds-btn-danger:hover { background: var(--ds-red-bg); border-color: var(--ds-red); }
.ds-btn-sm { padding: .4rem .7rem; font-size: .82rem; }
.ds-btn:disabled { opacity: .5; cursor: not-allowed; }

/* ── Cards ──────────────────────────────────────────────────── */
.ds-card {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  box-shadow: var(--ds-shadow);
}
.ds-card-head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem 1.3rem; border-bottom: 1px solid var(--ds-border-2);
}
.ds-card-head h2 { font-size: .98rem; font-weight: 650; letter-spacing: -.01em; }
.ds-card-head p { font-size: .82rem; color: var(--ds-text-3); margin-top: .15rem; }
.ds-card-body { padding: 1.3rem; }

.ds-section-title { font-size: 1.15rem; font-weight: 680; letter-spacing: -.02em; margin-bottom: .25rem; }
.ds-section-sub { color: var(--ds-text-3); font-size: .9rem; margin-bottom: 1.4rem; }

/* ── Stat cards ─────────────────────────────────────────────── */
.ds-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.ds-stat {
  background: var(--ds-surface); border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius); padding: 1.2rem 1.25rem; box-shadow: var(--ds-shadow);
}
.ds-stat-label { font-size: .8rem; color: var(--ds-text-3); font-weight: 500; display: flex; align-items: center; gap: .4rem; }
.ds-stat-label svg { width: 15px; height: 15px; stroke-width: 1.9; }
.ds-stat-value { font-size: 1.95rem; font-weight: 700; letter-spacing: -.03em; margin-top: .5rem; line-height: 1; }
.ds-stat-sub { font-size: .78rem; color: var(--ds-text-3); margin-top: .5rem; }
.ds-stat-sub strong { color: var(--ds-green); font-weight: 600; }

/* ── Chart ──────────────────────────────────────────────────── */
.ds-chart { padding: 1.3rem; }
.ds-bars { display: flex; align-items: flex-end; gap: 3px; height: 200px; }
.ds-bar-col { flex: 1; height: 100%; display: flex; align-items: flex-end; min-width: 0; position: relative; }
.ds-bar {
  width: 100%; background: var(--ds-accent); border-radius: 3px 3px 0 0;
  min-height: 2px; transition: opacity .14s;
  opacity: .85;
}
.ds-bar-col:hover .ds-bar { opacity: 1; }
.ds-bar-col:hover .ds-bar-tip { opacity: 1; transform: translateX(-50%) translateY(-4px); }
.ds-bar-tip {
  position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%);
  background: var(--ds-text); color: var(--ds-surface);
  font-size: .72rem; font-weight: 500; padding: .3rem .5rem; border-radius: 6px;
  white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .14s, transform .14s; z-index: 5;
}
.ds-chart-axis { display: flex; justify-content: space-between; margin-top: .6rem; font-size: .72rem; color: var(--ds-text-3); }
.ds-legend { display: flex; gap: 1.2rem; margin-top: 1rem; font-size: .8rem; color: var(--ds-text-2); }
.ds-legend span { display: inline-flex; align-items: center; gap: .4rem; }
.ds-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }

/* ── Tables ─────────────────────────────────────────────────── */
.ds-table { width: 100%; border-collapse: collapse; }
.ds-table th {
  text-align: left; font-size: .74rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--ds-text-3); font-weight: 600; padding: .7rem 1.3rem; border-bottom: 1px solid var(--ds-border-2);
}
.ds-table td { padding: .85rem 1.3rem; border-bottom: 1px solid var(--ds-border-2); font-size: .88rem; vertical-align: middle; }
.ds-table tr:last-child td { border-bottom: none; }
.ds-table tbody tr { transition: background-color .12s; }
.ds-table tbody tr:hover { background: var(--ds-surface-2); }
.ds-table .ds-name { font-weight: 600; }
.ds-muted { color: var(--ds-text-3); }

/* ── Badges ─────────────────────────────────────────────────── */
.ds-badge {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .76rem; font-weight: 600; padding: .2rem .6rem; border-radius: 50px; line-height: 1.4;
}
.ds-badge-green { background: var(--ds-green-bg); color: var(--ds-green); }
.ds-badge-amber { background: var(--ds-amber-bg); color: var(--ds-amber); }
.ds-badge-red   { background: var(--ds-red-bg);   color: var(--ds-red); }
.ds-badge-blue  { background: var(--ds-accent-bg); color: var(--ds-accent); }
.ds-badge-gray  { background: var(--ds-surface-2); color: var(--ds-text-2); }

/* ── Forms ──────────────────────────────────────────────────── */
.ds-field { margin-bottom: 1.25rem; }
.ds-field:last-child { margin-bottom: 0; }
.ds-label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .45rem; }
.ds-hint { font-size: .78rem; color: var(--ds-text-3); margin-top: .4rem; }
.ds-input, .ds-select, .ds-textarea {
  width: 100%; padding: .6rem .75rem;
  background: var(--ds-surface); color: var(--ds-text);
  border: 1px solid var(--ds-border); border-radius: var(--ds-radius-sm);
  font-size: .9rem; font-family: inherit; transition: border-color .14s, box-shadow .14s;
}
.ds-input:focus, .ds-select:focus, .ds-textarea:focus {
  outline: none; border-color: var(--ds-accent);
  box-shadow: 0 0 0 3px var(--ds-accent-bg);
}
.ds-textarea { resize: vertical; min-height: 120px; line-height: 1.6; }
.ds-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Switch */
.ds-switch-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: .95rem 0; border-bottom: 1px solid var(--ds-border-2); }
.ds-switch-row:last-child { border-bottom: none; }
.ds-switch-text strong { display: block; font-size: .9rem; font-weight: 600; }
.ds-switch-text span { display: block; font-size: .8rem; color: var(--ds-text-3); margin-top: .15rem; }
.ds-switch { position: relative; width: 42px; height: 24px; flex-shrink: 0; }
.ds-switch input { opacity: 0; width: 0; height: 0; }
.ds-switch-slider {
  position: absolute; inset: 0; background: var(--ds-border);
  border-radius: 50px; transition: background-color .18s;
}
.ds-switch-slider::before {
  content: ''; position: absolute; left: 3px; top: 3px; width: 18px; height: 18px;
  background: #fff; border-radius: 50%; transition: transform .18s; box-shadow: 0 1px 2px rgba(0,0,0,.25);
}
.ds-switch input:checked + .ds-switch-slider { background: var(--ds-accent); }
.ds-switch input:checked + .ds-switch-slider::before { transform: translateX(18px); }

/* Day picker */
.ds-days { display: flex; gap: .4rem; flex-wrap: wrap; }
.ds-day { position: relative; }
.ds-day input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.ds-day span {
  display: flex; align-items: center; justify-content: center;
  width: 46px; height: 40px; border-radius: var(--ds-radius-sm);
  border: 1px solid var(--ds-border); background: var(--ds-surface);
  font-size: .85rem; font-weight: 600; color: var(--ds-text-2); transition: all .14s;
}
.ds-day input:checked + span { background: var(--ds-accent); border-color: var(--ds-accent); color: #fff; }

/* ── Flash ──────────────────────────────────────────────────── */
.ds-flash {
  display: flex; align-items: center; gap: .6rem;
  padding: .75rem 1rem; border-radius: var(--ds-radius-sm);
  font-size: .87rem; font-weight: 500; margin-bottom: 1.4rem; border: 1px solid;
}
.ds-flash svg { width: 17px; height: 17px; flex-shrink: 0; }
.ds-flash-success { background: var(--ds-green-bg); color: var(--ds-green); border-color: color-mix(in srgb, var(--ds-green) 30%, transparent); }
.ds-flash-error { background: var(--ds-red-bg); color: var(--ds-red); border-color: color-mix(in srgb, var(--ds-red) 30%, transparent); }

/* ── Empty state ────────────────────────────────────────────── */
.ds-empty { text-align: center; padding: 3rem 1.5rem; color: var(--ds-text-3); }
.ds-empty svg { width: 34px; height: 34px; stroke-width: 1.5; margin-bottom: .8rem; opacity: .7; }
.ds-empty p { font-size: .9rem; }

/* ── Login ──────────────────────────────────────────────────── */
.ds-login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.ds-login {
  width: 100%; max-width: 400px; background: var(--ds-surface);
  border: 1px solid var(--ds-border); border-radius: 16px; box-shadow: var(--ds-shadow-lg);
  padding: 2.2rem 2rem;
}
.ds-login-brand { display: flex; align-items: center; gap: .6rem; font-weight: 650; font-size: 1.1rem; margin-bottom: .35rem; letter-spacing: -.02em; }
.ds-login-brand img { width: 32px; height: 32px; border-radius: 8px; }
.ds-login h1 { font-size: 1.3rem; font-weight: 700; letter-spacing: -.02em; margin: 1.1rem 0 .3rem; }
.ds-login p.sub { color: var(--ds-text-3); font-size: .9rem; margin-bottom: 1.6rem; }
.ds-login .ds-btn { width: 100%; margin-top: .35rem; }
.ds-login-foot { text-align: center; margin-top: 1.4rem; font-size: .82rem; color: var(--ds-text-3); }
.ds-login-theme { position: absolute; top: 1.2rem; right: 1.2rem; }

/* ── Utilities ──────────────────────────────────────────────── */
.ds-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; align-items: start; }
.ds-mt { margin-top: 1.4rem; }
.ds-flex-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.ds-stack { display: flex; flex-direction: column; gap: 1.4rem; }

/* Mobile menu toggle (hidden on desktop) */
.ds-menu-btn { display: none; }
.ds-backdrop { display: none; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1000px) {
  .ds-stats { grid-template-columns: repeat(2, 1fr); }
  .ds-grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .ds-sidebar {
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: var(--ds-shadow-lg);
  }
  .ds-sidebar.open { transform: translateX(0); }
  .ds-main { margin-left: 0; }
  .ds-menu-btn { display: inline-flex; }
  .ds-backdrop.show {
    display: block; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 35;
  }
  .ds-content { padding: 1.2rem; }
  .ds-row { grid-template-columns: 1fr; }
}
@media (max-width: 460px) {
  .ds-stats { grid-template-columns: 1fr; }
  .ds-topbar { padding: 0 1.1rem; }
}