/* ==========================
   Base
========================== */
:root{
  --bg: #0b1220;
  --card: rgba(255,255,255,.06);
  --card-border: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.65);
  --input-bg: rgba(255,255,255,.08);
  --input-border: rgba(255,255,255,.16);
  --focus: rgba(99, 179, 237, .8); /* nur für Outline */
  --danger-bg: rgba(255, 77, 77, .12);
  --danger-border: rgba(255, 77, 77, .35);
  --success-bg: rgba(70, 255, 155, .10);
  --success-border: rgba(70, 255, 155, .30);
  --shadow: 0 20px 60px rgba(0,0,0,.55);
  --radius: 14px;
  --radius-sm: 10px;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(99,179,237,.18), transparent 60%),
    radial-gradient(700px 500px at 85% 30%, rgba(147,51,234,.14), transparent 55%),
    radial-gradient(900px 700px at 50% 100%, rgba(16,185,129,.10), transparent 60%),
    var(--bg);
}

/* ==========================
   Layout
========================== */
.auth{
  min-height: 100%;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 24px;
}

.card{
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.auth-card{
  width: min(520px, 100%);
  padding: 18px;
}

.auth-header{
  padding: 6px 6px 14px 6px;
}

.auth-title{
  margin: 0 0 6px 0;
  font-size: 22px;
  letter-spacing: .2px;
}

.auth-subtitle{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* ==========================
   Form
========================== */
.form{
  display:flex;
  flex-direction:column;
  gap: 12px;
  padding: 6px;
}

.field{
  display:flex;
  flex-direction:column;
  gap: 6px;
}

.label{
  font-size: 13px;
  color: var(--muted);
}

.input,
.select{
  width: 100%;
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
  outline: none;
}

.select{
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(255,255,255,.65) 50%),
    linear-gradient(135deg, rgba(255,255,255,.65) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

.input:focus,
.select:focus{
  border-color: rgba(99,179,237,.6);
  box-shadow: 0 0 0 4px rgba(99,179,237,.18);
}

.hint{
  margin: 2px 0 0 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.35;
}

/* ==========================
   Alerts
========================== */
.alert{
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  border: 1px solid var(--card-border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-size: 13px;
  line-height: 1.35;
}

.alert--error{
  background: var(--danger-bg);
  border-color: var(--danger-border);
}

.alert--success{
  background: var(--success-bg);
  border-color: var(--success-border);
}

/* ==========================
   Buttons
========================== */
.btn{
  border: 0;
  border-radius: var(--radius-sm);
  padding: 12px 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .06s ease, filter .15s ease;
}

.btn:active{ transform: translateY(1px); }

.btn--primary{
  background: rgba(99,179,237,.85);
  color: #06101f;
}

.btn--primary:hover{
  filter: brightness(1.05);
}

/* ==========================
   Modal (Mobile Sheet)
========================== */
.modal{ position:fixed; inset:0; display:none; z-index:9999; }
.modal.is-open{ display:block; }
.modal__backdrop{
  position:absolute; inset:0;
  background: rgba(0,0,0,.55);
}
.modal__sheet{
  position:absolute; left:50%; transform:translateX(-50%); bottom:0; width:min(720px, 94%);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-bottom: 0;
  border-radius: 16px 16px 0 0;
  backdrop-filter: blur(12px);
  box-shadow: 0 -20px 60px rgba(0,0,0,.55);
  max-height: 92vh;
  overflow:auto;
  padding: 14px;
}
.modal__header{
  display:flex; align-items:center; justify-content:space-between;
  gap: 12px; padding: 4px 4px 10px 4px;
}
.modal__title{ margin:0; font-size:18px; }
.modal__close{
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.9);
  width: 38px; height: 38px;
  border-radius: 10px;
  font-size: 22px;
  cursor:pointer;
}
.modal__body{ padding: 6px 4px 10px 4px; }
.modal__footer{ padding: 8px 4px 4px 4px; }

/* Segmented Controls (i.O / n.i.O) */
.seg{
  display:flex;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 12px;
  overflow:hidden;
  background: rgba(255,255,255,.06);
}
.seg__item{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 10px 12px;
  cursor:pointer;
  user-select:none;
  gap: 8px;
}
.seg__item input{ display:none; }
.seg__item span{ color: rgba(255,255,255,.82); font-weight:600; font-size: 14px; }
.seg__item:has(input:checked){
  background: rgba(99,179,237,.22);
}

.textarea{
  resize: vertical;
  min-height: 84px;
  line-height: 1.35;
}

/* ==========================
   Utility
========================== */
[hidden]{ display:none !important; }

@media (max-width: 420px){
  .auth-card{ padding: 14px; }
  .auth-title{ font-size: 20px; }
}

/* ==========================
   Admin (Rooms)
========================== */
.admin-card{
  width: min(1100px, 100%);
}

.admin-topbar{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 12px;
  padding: 6px;
  margin-bottom: 10px;
}

.admin-filter{
  display:flex;
  align-items:flex-end;
  gap: 10px;
}

/* Buttons: Ghost + Small */
.btn--ghost{
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  color: var(--text);
}

.btn--ghost:hover{
  filter: brightness(1.08);
}

.btn--small{
  padding: 9px 10px;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

/* Table */
.table-wrap{
  padding: 6px;
  overflow:auto;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}

.table{
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.table th,
.table td{
  padding: 12px 10px;
  border-bottom: 1px solid rgba(255,255,255,.10);
  text-align:left;
  vertical-align: middle;
}

.table thead th{
  font-size: 12px;
  letter-spacing: .2px;
  color: var(--muted);
  background: rgba(255,255,255,.03);
}

.table tbody tr:hover{
  background: rgba(255,255,255,.03);
}

.table__right{
  text-align:right;
  white-space: nowrap;
}

.mono{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

/* Badges */
.badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
}

.badge--success{
  background: var(--success-bg);
  border-color: var(--success-border);
}

.badge--warn{
  background: rgba(255, 196, 77, .10);
  border-color: rgba(255, 196, 77, .30);
  color: rgba(255,255,255,.92);
}

/* Responsive tweaks */
@media (max-width: 520px){
  .admin-topbar{
    flex-direction: column;
    align-items: stretch;
  }
  .admin-filter{
    width: 100%;
  }
}

/* ==========================
   Admin Modal Content
========================== */
.hr{
  border: 0;
  height: 1px;
  background: rgba(255,255,255,.10);
  margin: 14px 0;
}

.section-title{
  margin: 0 0 10px 0;
  font-size: 14px;
  color: var(--muted);
  letter-spacing: .2px;
}

.kv{
  display:grid;
  grid-template-columns: 120px 1fr;
  gap: 8px 12px;
}

.kv__row{
  display:contents;
}

.kv__k{
  font-size:12px;
  color:var(--muted);
}

.kv__v{
  font-size:13px;
}

.checks{
  display:flex;
  flex-direction:column;
  gap: 10px;
}

.check{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
  padding: 10px 10px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 12px;
  background: rgba(255,255,255,.04);
}

.check__label{
  font-size: 13px;
  color: var(--text);
  padding-top: 2px;
}

.check__right{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap: 6px;
}

.check__note{
  max-width: 280px;
  font-size: 12px;
  color: var(--muted);
  text-align:right;
  line-height: 1.35;
}

/* Badge für n.i.O. */
.badge--error{
  background: var(--danger-bg);
  border-color: var(--danger-border);
}

/* Attachments Grid */
.attachments{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.attachment{
  display:flex;
  flex-direction:column;
  gap: 8px;
  text-decoration:none;
  color: var(--text);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  padding: 10px;
}

.attachment img{
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.10);
}

.attachment__meta{
  font-size: 12px;
  color: var(--muted);
  word-break: break-word;
}

@media (max-width: 520px){
  .attachments{
    grid-template-columns: 1fr;
  }
  .check__note{
    max-width: 100%;
  }
}