/* === Base / Reset === */
*,
*::before,
*::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font: 14px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: #0f1115;
  color: #e6e8ee;
}

/* === Theme Tokens (leicht anpassbar) === */
:root {
  --sidebar-w: 300px;
  --radius: 8px;
  --gap: 14px;

  --bg: #242424;
  --panel: #333333;
  --panel-2: #3f3f3f;
  --text: #ffffff;
  --muted: #d3d3d3;
  --primary: #ffffff;
  --primary-weak: color-mix(in srgb, var(--primary) 16%, transparent);
  --accent: #34d399;
  --danger: #ff8383;
  --border: #232836;
  --hover: #202636;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

/* Optional: Auto Dark/Light */
@media (prefers-color-scheme: light) {
    :root {
        --bg: #ffffff; /* Changed to pure white for better contrast */
        --panel: #f5f5f5; /* Softer background for panels */
        --panel-2: #f0f0f0; /* Light gray for secondary panels */
        --text: #0c0c0c; /* Darker text for better readability */
        --muted: #333333; /* Slightly darker muted color */
        --primary: #ff9900; /* Brighter blue for primary actions */
        --primary-weak: color-mix(in srgb, var(--primary) 20%, transparent); /* Adjusted for better visibility */
        --accent: #28a745; /* Brighter green for accent */
        --danger: #c41111; /* Brighter red for danger */
        --border: #d6ccb8; /* Light gray for borders */
        --hover: #eae8e2; /* Light hover effect */
        --shadow: 0 10px 30px rgba(0,0,0,.1); /* Softer shadow */
    }
}

/* === Layout === */
body {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: 0;
  width: 100%;
  height: 100%;
}

/* Sidebar container as vertical flex */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 18px;
  gap: 18px;
  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none; /* Safari */
  -khtml-user-select: none; /* Konqueror HTML */
  -moz-user-select: none; /* Old versions of Firefox */
  -ms-user-select: none; /* Internet Explorer/Edge */
  user-select: none; /* Non-prefixed version, currently supported by Chrome, Edge, Opera and Firefox */
  -webkit-user-drag: none; /* Safari and Chrome */
}

.noselect {
  -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
     -khtml-user-select: none; /* Konqueror HTML */
       -moz-user-select: none; /* Old versions of Firefox */
        -ms-user-select: none; /* Internet Explorer/Edge */
            user-select: none; /* Non-prefixed version, currently
                                  supported by Chrome, Edge, Opera and Firefox */ }

/* Header (Profil) */
.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.sidebar-header img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-weak);
}
.sidebar-header .name {
  font-weight: 700;
  color: var(--text);
}
.sidebar-header .role {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

/* Kategorien & Links */
.sidebar-category {
  padding: 10px 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.sidebar-category + .sidebar-category { margin-top: 8px; }

.sidebar-category h3 {
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 8px 0;
}

.sidebar-category ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.sidebar a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  text-decoration: none;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  transition: background .15s ease, border-color .15s ease, transform .05s ease;
}
.sidebar a:hover {
  background: var(--hover);
  border-color: var(--border);
}

/* Active tab highlighting via :target + :has() */
body:has(#item1:target) .sidebar a[href="#item1"],
body:has(#item2:target) .sidebar a[href="#item2"],
body:has(#item3:target) .sidebar a[href="#item3"],
body:has(#item4:target) .sidebar a[href="#item4"],
body:has(#item5:target) .sidebar a[href="#item5"],
body:has(#item6:target) .sidebar a[href="#item6"] {
  background: var(--primary-weak);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
  transform: translateX(2px);
}

/* Fallback: Wenn kein :target gesetzt ist -> ersten Link hervorheben */
body:not(:has(:target)) .sidebar a[href="#item1"] {
  background: var(--primary-weak);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
}

/* Footer (Logout unten fixiert) */
.sidebar-footer {
  margin-top: auto;
  padding-top: 6px;
}
.logout {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--danger) 16%, transparent), transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 35%, var(--border));
  color: var(--text);
  border-radius: 12px;
  text-decoration: none;
  cursor: pointer;
  transition: filter .25s ease, transform .05s ease;
}
.logout:hover { filter: brightness(2); }
.logout:active { transform: translateY(1px); }

/* === Content / Tabs === */
.content {
  min-height: 100vh;
  padding: 28px clamp(16px, 4vw, 48px);
  background: var(--bg);
}

/* Sektionen als Tabs (IDs müssen zu den Sidebar-Links passen) */
.content > section {
  display: none;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

/* Sichtbarer Tab: das anvisierte :target */
.content > section:target { display: block; }

/* Default-Tab, wenn noch kein :target existiert */
.content > section.default { display: block; }

/* Headings & Text im Content */
.content h1, .content h2, .content h3 { color: var(--text); }
.content p { color: var(--muted); }

/* === Responsive === */
@media (max-width: 980px) {
  :root { --sidebar-w: 240px; }
}
@media (max-width: 760px) {
  body {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    gap: 14px;
  }
}

/* === Form Styles === */
.settings-form {
    max-width: 800px;
    margin: 20px auto;
}

.form-group {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group > div {
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .form-group {
        flex-direction: column;
        gap: 15px;
    }
}

/* Button Styles */
.save-button {
  display: inline-block;
  padding: 12px 16px;
  background: var(--primary);
  color: var(--text);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .15s ease, transform .05s ease;
}
.save-button:hover {
  background: var(--primary-weak);
}
.save-button:active {
  transform: translateY(1px);
}

/* Section Styles */
section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
section h2 {
  margin-top: 0;
  color: var(--text);
}
section p {
  color: var(--muted);
}

/* === Login Page Styles === */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg);
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-box {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    /* prevent stretching: constrain max size and keep natural aspect ratio */
    width: auto;
    height: auto;
    max-width: 80px;
    max-height: 80px;
    margin-bottom: 20px;
    display: block;
    object-fit: contain;
}

.login-header h1 {
    color: var(--text);
    font-size: 24px;
    margin: 0 0 8px 0;
}

.login-header p {
    color: var(--muted);
    margin: 0;
}

.login-form .form-field {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    color: var(--text);
    margin-bottom: 8px;
    font-weight: 500;
}

.login-form input[type="email"],
.login-form input[type="password"] {
    width: 100%;
    padding: 12px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
}

.forgot-password {
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
}

.forgot-password:hover {
    text-decoration: underline;
}

.login-button {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: var(--panel);
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: filter 0.2s ease, transform 0.1s ease;
}

.login-button:hover {
    filter: brightness(1.1);
}

.login-button:active {
    transform: translateY(1px);
}

/* Login page responsive adjustments */
@media (max-width: 480px) {
    .login-box {
        padding: 24px;
    }
    
    .form-options {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
}

.loadingScreen {
  position: fixed; /* cover viewport reliably */
  inset: 0;
  z-index: 9999;
  width: 100%;
  height: 100vh;
  background-color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  opacity: 1;
  transition: opacity .5s ease-out, visibility .5s ease-out;
  visibility: visible;
}

.loadingScreen.hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.loadingScreen #loadingScreenSpinner {
  width: 25px;
  height: 25px;
  margin-right: 15px;
  margin-left: 15px;
  animation: rotateForever 1s linear infinite;
}

.loadingScreen.hidden img {
  height: 0;
  width: 0;
}

.loadingScreen.hidden #loadingScreenSpinner {
  display: none;
}

.loadingScreen img {
  height: 75px;
  width: auto;
  transition : height 1s ease, width 1s ease;
}

@keyframes rotateForever {
  from { transform: rotate(360deg); }
}

.loadingScreen h1 {
  font-size: 25px;
  font-family: sans-serif;
}