/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #232733;
  --border: #2d3140;
  --text: #e4e6ed;
  --text-muted: #8b8fa3;
  --primary: #4f8ff7;
  --primary-hover: #6ba1ff;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --accent: #a78bfa;
  --radius: 10px;
  --radius-sm: 6px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* ===== LOGIN ===== */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #0f1117 0%, #1a1d27 100%);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-logo { font-size: 48px; margin-bottom: 12px; }
.login-card h1 { font-size: 24px; margin-bottom: 4px; }
.login-card .subtitle { color: var(--text-muted); margin-bottom: 32px; font-size: 14px; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 16px; text-align: left; }
.form-group label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; font-weight: 500; }

input, select, textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
textarea { resize: vertical; min-height: 80px; }

.error { color: var(--danger); font-size: 13px; margin-bottom: 12px; padding: 8px; background: rgba(248,113,113,0.1); border-radius: var(--radius-sm); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); color: #000; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--text-muted); color: var(--text); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-full { width: 100%; justify-content: center; }

/* ===== LAYOUT ===== */
.app-wrapper { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
}
.sidebar-logo { font-size: 20px; font-weight: 700; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.sidebar-subtitle { font-size: 12px; color: var(--text-muted); margin-bottom: 32px; }
.sidebar-nav { flex: 1; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border-radius: var(--radius-sm); color: var(--text-muted); font-size: 14px; margin-bottom: 4px;
}
.sidebar-nav a:hover, .sidebar-nav a.active { background: var(--surface2); color: var(--text); }
.sidebar-user { padding-top: 16px; border-top: 1px solid var(--border); font-size: 13px; }
.sidebar-user .name { font-weight: 600; color: var(--text); }
.sidebar-user .role { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }

.main-content { flex: 1; padding: 32px; overflow-y: auto; }
.page-header { margin-bottom: 28px; }
.page-header h1 { font-size: 26px; font-weight: 700; }
.page-header p { color: var(--text-muted); margin-top: 4px; }

/* ===== CARDS ===== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.card-header h3 { font-size: 16px; font-weight: 600; }

/* ===== STATS ===== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.stat-card .number { font-size: 32px; font-weight: 700; }
.stat-card .label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ===== TABLE ===== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
tr:hover td { background: var(--surface2); }

/* ===== STATUS BADGES ===== */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge-aufmass { background: rgba(79,143,247,0.15); color: var(--primary); }
.badge-angebot { background: rgba(167,139,250,0.15); color: var(--accent); }
.badge-bestellung { background: rgba(251,191,36,0.15); color: var(--warning); }
.badge-proforma { background: rgba(251,191,36,0.15); color: var(--warning); }
.badge-montage { background: rgba(52,211,153,0.15); color: var(--success); }
.badge-abgeschlossen { background: rgba(52,211,153,0.25); color: var(--success); }

/* ===== TIMELINE ===== */
.timeline { position: relative; padding-left: 24px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; margin-bottom: 20px; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg);
}
.timeline-item .time { font-size: 12px; color: var(--text-muted); }
.timeline-item .action { font-weight: 500; }
.timeline-item .details { font-size: 13px; color: var(--text-muted); }

/* ===== AUFMASS TABLE ===== */
.aufmass-row { display: grid; grid-template-columns: 60px 1fr 1fr 1fr 2fr auto; gap: 8px; align-items: center; margin-bottom: 8px; }
.aufmass-row input { padding: 8px; }

/* ===== PHASE STEPS ===== */
.phase-steps { display: flex; gap: 4px; margin-bottom: 24px; flex-wrap: wrap; }
.phase-step {
  flex: 1;
  min-width: 100px;
  text-align: center;
  padding: 10px 8px;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
}
.phase-step.active { background: var(--primary); color: #fff; }
.phase-step.completed { background: rgba(52,211,153,0.15); color: var(--success); border-color: var(--success); }
.phase-step:hover:not(.active) { border-color: var(--primary); }

/* ===== FILE UPLOAD ===== */
.file-drop {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.2s;
}
.file-drop:hover, .file-drop.dragover { border-color: var(--primary); }
.file-list { margin-top: 12px; }
.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  font-size: 13px;
}

/* ===== TABS ===== */
.tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 1px solid var(--border); padding-bottom: 0; }
.tab {
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab:hover:not(.active) { color: var(--text); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .app-wrapper { flex-direction: column; }
  .sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); padding: 16px; }
  .sidebar-nav { display: flex; gap: 4px; overflow-x: auto; }
  .sidebar-nav a { white-space: nowrap; }
  .main-content { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .phase-steps { flex-wrap: wrap; }
  .aufmass-row { grid-template-columns: 1fr 1fr; }
}