@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Light Theme Variables */
  --bg-color: #f7f6f2;
  --bg-card: #ffffff;
  --bg-header: #ffffff;
  --text-main: #1a1a2e;
  --text-muted: #6b7280;
  --border-color: #e5e7eb;
  
  --primary: #01696f; /* Teal */
  --primary-hover: #015055;
  --primary-light: #e0f2f3;

  --color-h: #01696f; /* Teal */
  --color-n: #da7101; /* Orange */
  --color-hn: #7a39bb; /* Lila */
  
  --status-idea: #9ca3af;
  --status-planned: #3b82f6;
  --status-progress: #f59e0b;
  --status-waiting: #8b5cf6;
  --status-done: #10b981;
  --status-paused: #6b7280;
  --status-rejected: #ef4444;

  --pot-high: #10b981;
  --pot-medium: #f59e0b;
  --pot-low: #9ca3af;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius: 8px;
}

[data-theme="dark"] {
  --bg-color: #111827;
  --bg-card: #1f2937;
  --bg-header: #1f2937;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --border-color: #374151;
  
  --primary-light: #013e42;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  transition: background-color 0.3s, color 0.3s;
}

/* Header */
header {
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.logo-container { display: flex; align-items: center; gap: 1rem; }
.logo-container h1 { font-size: 1.25rem; font-weight: 700; color: var(--primary); margin: 0; }

.header-controls { display: flex; align-items: center; gap: 1rem; }

.btn-icon {
  background: none; border: none; color: var(--text-muted); cursor: pointer;
  padding: 0.5rem; border-radius: 50%; transition: background-color 0.2s, color 0.2s;
  display: flex; align-items: center; justify-content: center;
}
.btn-icon:hover { background-color: var(--bg-color); color: var(--text-main); }
.btn-icon svg { width: 20px; height: 20px; }

/* Tabs */
.tabs {
  display: flex; background-color: var(--bg-header); padding: 0 2rem;
  border-bottom: 1px solid var(--border-color); overflow-x: auto;
}
.tab-btn {
  background: none; border: none; padding: 1rem 1.5rem; font-size: 0.95rem;
  font-weight: 500; color: var(--text-muted); cursor: pointer; border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s; white-space: nowrap;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Main Content */
main { padding: 2rem; max-width: 1440px; margin: 0 auto; }
.tab-content { display: none; animation: fadeIn 0.3s ease; }
.tab-content.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* KPIs */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.kpi-card {
  background-color: var(--bg-card); padding: 1.5rem; border-radius: var(--radius);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); display: flex; flex-direction: column;
}
.kpi-title { font-size: 0.875rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.kpi-value { font-size: 2rem; font-weight: 700; color: var(--text-main); }

/* Charts Area */
.charts-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 1.5rem; margin-bottom: 2rem; }
.chart-card {
  background-color: var(--bg-card); padding: 1.5rem; border-radius: var(--radius);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border-color);
}
.chart-card h3 { font-size: 1rem; margin-bottom: 1.5rem; color: var(--text-main); }
.chart-container { position: relative; height: 300px; width: 100%; }

@media (max-width: 1024px) { .charts-grid { grid-template-columns: 1fr; } }

/* Tables */
.table-card {
  background-color: var(--bg-card); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); overflow: hidden; margin-bottom: 2rem;
}
.table-header { padding: 1.5rem; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.table-header h3 { font-size: 1.125rem; color: var(--text-main); }
.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-color); }
th { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; background-color: var(--bg-color); }
tbody tr { transition: background-color 0.2s; }
tbody tr:hover { background-color: rgba(0, 0, 0, 0.02); }
[data-theme="dark"] tbody tr:hover { background-color: rgba(255, 255, 255, 0.02); }
.clickable-row { cursor: pointer; }

/* Badges */
.badge { display: inline-block; padding: 0.25rem 0.75rem; border-radius: 9999px; font-size: 0.75rem; font-weight: 500; line-height: 1.5; }
.badge-zustaendig { display: inline-block; padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 0.7rem; font-weight: 700; color: white; min-width: 30px; text-align: center;}
.bg-h { background-color: var(--color-h); }
.bg-n { background-color: var(--color-n); }
.bg-hn { background-color: var(--color-hn); }

/* Progress Bar */
.progress-wrapper { display: flex; align-items: center; gap: 0.5rem; }
.progress-bar-bg { flex-grow: 1; height: 8px; background-color: var(--border-color); border-radius: 4px; overflow: hidden; }
.progress-bar-fill { height: 100%; border-radius: 4px; transition: width 0.3s ease, background-color 0.3s ease; }
.progress-text { font-size: 0.875rem; font-weight: 500; min-width: 3ch; }

/* Filter Bar */
.filter-bar { display: flex; gap: 1rem; flex-wrap: wrap; padding: 1rem 1.5rem; background-color: var(--bg-card); border-bottom: 1px solid var(--border-color); align-items: flex-end; }
.filter-group { display: flex; flex-direction: column; gap: 0.25rem; }
.filter-group label { font-size: 0.75rem; color: var(--text-muted); font-weight: 500; }
select, input[type="text"], input[type="number"], input[type="date"], input[type="time"], textarea {
  padding: 0.5rem 0.75rem; border: 1px solid var(--border-color); border-radius: var(--radius);
  background-color: var(--bg-card); color: var(--text-main); font-family: inherit; font-size: 0.875rem;
  outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}
select:focus, input:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-light); }
textarea { resize: vertical; min-height: 80px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.5rem 1rem; border-radius: var(--radius); font-size: 0.875rem; font-weight: 500; cursor: pointer; border: none; transition: all 0.2s; }
.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover { background-color: var(--primary-hover); }
.btn-outline { background-color: transparent; border: 1px solid var(--border-color); color: var(--text-main); }
.btn-outline:hover { background-color: var(--bg-color); }
.btn-danger { background-color: transparent; border: 1px solid var(--status-rejected); color: var(--status-rejected); }
.btn-danger:hover { background-color: var(--status-rejected); color: white; }

/* Modal */
.modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(0, 0, 0, 0.5);
  display: flex; justify-content: center; align-items: center; z-index: 1000;
  opacity: 0; pointer-events: none; transition: opacity 0.3s ease; padding: 1rem;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal {
  background-color: var(--bg-card); border-radius: var(--radius); width: 100%; max-width: 600px;
  max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); transform: translateY(20px); transition: transform 0.3s ease;
}
.modal-overlay.active .modal { transform: translateY(0); }
.modal-header { padding: 1.5rem; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: flex-start; }
.modal-header h2 { font-size: 1.25rem; margin: 0; }
.modal-close { background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-muted); line-height: 1; }
.modal-body { padding: 1.5rem; }
.modal-footer { padding: 1.5rem; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.modal-footer-right { display: flex; gap: 1rem; }

/* Form Grid */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label { font-size: 0.875rem; font-weight: 500; }
.input-with-btn { display: flex; gap: 0.5rem; }

/* Assets Grid */
.assets-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.asset-card {
  background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius);
  padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; transition: transform 0.2s, box-shadow 0.2s;
}
.asset-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.asset-header { display: flex; justify-content: space-between; align-items: flex-start; }
.asset-icon {
  width: 40px; height: 40px; background-color: var(--primary-light); color: var(--primary);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
}
.asset-title { font-weight: 600; font-size: 1.125rem; margin: 0; color: var(--text-main); }
.asset-meta { font-size: 0.875rem; color: var(--text-muted); display: flex; flex-direction: column; gap: 0.25rem; }

/* Kalender Grid */
.calendar-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.calendar-nav { display: flex; gap: 1rem; align-items: center; }
.calendar-title { font-size: 1.25rem; font-weight: 600; margin: 0; min-width: 150px; text-align: center; }
.calendar-weekdays {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px;
  background-color: var(--border-color); border: 1px solid var(--border-color);
  border-bottom: none; border-radius: var(--radius) var(--radius) 0 0;
}
.calendar-weekday { background-color: var(--bg-color); padding: 0.5rem; text-align: center; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; }
.calendar-grid {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px;
  background-color: var(--border-color); border: 1px solid var(--border-color);
  border-radius: 0 0 var(--radius) var(--radius); overflow: hidden;
}
.calendar-day { background-color: var(--bg-card); min-height: 100px; padding: 0.5rem; cursor: pointer; transition: background-color 0.2s; }
.calendar-day:hover { background-color: var(--bg-color); }
.calendar-day.empty { background-color: rgba(0,0,0,0.02); cursor: default; }
[data-theme="dark"] .calendar-day.empty { background-color: rgba(255,255,255,0.02); }
.calendar-date { font-size: 0.875rem; font-weight: 500; color: var(--text-muted); margin-bottom: 0.5rem; display: block; text-align: right; }
.calendar-day.today .calendar-date { color: var(--primary); font-weight: 700; }
.calendar-events { display: flex; flex-direction: column; gap: 0.25rem; }

/* Kalender Chips */
.cal-chip {
  font-size: 0.7rem; padding: 0.2rem 0.4rem; border-radius: 4px; color: white;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; cursor: pointer;
  box-shadow: var(--shadow-sm); transition: transform 0.1s;
}
.cal-chip:hover { transform: translateY(-1px); }
.chip-task { border-left: 3px solid rgba(0,0,0,0.2); }

/* History Timeline */
.history-section { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--border-color); }
.history-add { background-color: var(--bg-color); padding: 1rem; border-radius: var(--radius); margin-bottom: 1.5rem; }
.timeline { display: flex; flex-direction: column; gap: 1rem; position: relative; padding-left: 1rem; }
.timeline::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
  background-color: var(--border-color); border-radius: 1px;
}
.timeline-item { position: relative; padding-left: 1.5rem; }
.timeline-item::before {
  content: ''; position: absolute; left: -0.3rem; top: 0.3rem; width: 0.8rem; height: 0.8rem;
  background-color: var(--primary); border: 2px solid var(--bg-card); border-radius: 50%;
}
.timeline-date { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; }
.timeline-content {
  background-color: var(--bg-color); padding: 0.75rem; border-radius: var(--radius);
  margin-top: 0.25rem; font-size: 0.875rem; border: 1px solid var(--border-color);
}
.timeline-meta { display: flex; justify-content: space-between; margin-bottom: 0.25rem; }
.timeline-art { font-weight: 600; color: var(--text-main); }

/* Toast */
.toast-container { position: fixed; bottom: 2rem; right: 2rem; z-index: 1100; display: flex; flex-direction: column; gap: 0.5rem; }
.toast {
  background-color: var(--bg-card); color: var(--text-main); padding: 1rem 1.5rem; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); border-left: 4px solid var(--primary); display: flex; align-items: center; gap: 1rem;
  transform: translateX(120%); transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.toast.show { transform: translateX(0); }
.toast.error { border-left-color: var(--status-rejected); }

/* Loading */
#loading-overlay { position: fixed; inset: 0; background-color: var(--bg-color); z-index: 9999; display: flex; justify-content: center; align-items: center; transition: opacity 0.3s; }
.loader { width: 48px; height: 48px; border: 5px solid var(--border-color); border-bottom-color: var(--primary); border-radius: 50%; display: inline-block; box-sizing: border-box; animation: rotation 1s linear infinite; }
@keyframes rotation { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* Helpers */
.text-center { text-align: center; } .mt-4 { margin-top: 1rem; } .mb-4 { margin-bottom: 1rem; }
.d-none { display: none !important; }