/* =============================================
   CSS RESET & BASE STYLES
   Entfernt Browser-Standardstile für konsistente Darstellung
   ============================================= */
:root {
  /* Farben */
  --color-primary: #000;            /* Primärtext */
  --color-secondary: #333;          /* Sekundärtext */
  --color-background: #fff;         /* Hintergrund */
  --color-border: #dbdbdb;          /* Rahmen */
  --color-highlight: #008080;       /* Türkis/Teal (Buttons) */
  --color-highlight-hover: #006666; /* Türkis/Teal (Hover) */
  --color-error: #ed4956;           /* Fehler */
  --color-success: #4caf50;         /* Erfolg */

  /* Typografie */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-size-base: clamp(0.9rem, 2vw, 1rem); /* Responsive Basisschriftgröße */
  --font-size-sm: clamp(0.8rem, 1.8vw, 0.9rem);
  --font-size-md: clamp(1rem, 2.2vw, 1.1rem);
  --font-size-lg: clamp(1.2rem, 2.5vw, 1.4rem);
  --font-size-xl: clamp(1.5rem, 3vw, 1.8rem);
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 600;

  /* Abstände */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;

  /* Border & Shadows */
  --border-radius: 8px;
  --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --border-width: 1px;

  /* Layout */
  --max-width: 800px;
  --grid-gap: 4px;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-primary);
  background-color: var(--background-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Base Elements */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-sm);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: var(--font-primary);
  transition: all 0.2s ease;
}

/* Utility Classes */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.text-center {
  text-align: center;
}

.hidden {
  display: none;
}

/* =============================================
   PROFILBEREICH (Index.php)
   ============================================= */
.profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  padding: var(--space-md) 0;
  border-bottom: var(--border-width) solid var(--color-border);
}

.profile-picture {
  flex-shrink: 0;
}

.profile-img {
  width: clamp(100px, 20vw, 150px);
  height: clamp(100px, 20vw, 150px);
  border-radius: 50%;
  object-fit: cover;
  border: var(--border-width) solid var(--color-border);
  padding: 2px;
}

.profile-info {
  flex: 1;
}

.profile-username {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-light);
  margin-bottom: var(--space-xs);
}

.profile-bio {
  font-size: var(--font-size-md);
}

.profile-bio p {
  margin-bottom: var(--space-xs);
}

.profile-link {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.profile-link:hover {
  text-decoration: underline;
}

/* Tabs */
/* Tabs */
.tabs {
	display: flex;
	border-bottom: 1px solid var(--color-border);
	margin-bottom: var(--space-md);
	width: 100%;
}

.tab-button {
	flex: 1;
	padding: var(--space-sm) 0;
	background: none;
	font-size: var(--font-size-md);
	font-weight: var(--font-weight-medium);
	color: var(--color-secondary);
	text-align: center;
	position: relative;
	transition: color 0.2s ease;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 4px;
}

.tab-button i {
	font-size: var(--font-size-lg);
	color: var(--color-secondary);
	transition: color 0.2s ease;
}

.tab-button.active {
	color: var(--color-highlight);
	font-weight: var(--font-weight-bold);
}

.tab-button.active i {
	color: var(--color-highlight);
}

.tab-button.active::after {
	content: '';
	position: absolute;
	bottom: -1px;
	left: 0;
	right: 0;
	height: 2px;
	background: var(--color-highlight);
}

/* Masonry Grid für Fotos */
.masonry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
  grid-auto-flow: dense;
}

.masonry-grid img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
}

/* 9:16 Grid für Videos */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.video-grid video {
  width: 100%;
  aspect-ratio: 9/16;
  object-fit: cover;
  background: #000;
}

/* =============================================
   LOGIN-SEITE (admin/login.php)
   ============================================= */
.login-page {
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--space-md);
}

.login-box {
  width: 100%;
  max-width: 400px;
  background: var(--color-background);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  box-shadow: var(--box-shadow);
  text-align: center;
}

.login-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
  color: var(--color-secondary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.input-group {
  text-align: left;
}

.input-field {
  width: 100%;
  padding: var(--space-sm);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: var(--font-size-md);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-field:focus {
  outline: none;
  border-color: var(--color-highlight);
  box-shadow: 0 0 0 2px rgba(0, 128, 128, 0.2);
}

/* =============================================
   UPLOAD-SEITE (admin/upload.php)
   ============================================= */

.upload-page {
   position: relative;
   min-height: 100vh;
}

.upload-container {
   max-width: 600px;
   margin: 2rem auto;
   padding: 2rem;
   background: #fff;
   border-radius: 8px;
   box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Button zum Dateiauswählen */
.select-file-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: white;
  color: var(--color-highlight);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all 0.2s ease;
}

.select-file-button:hover {
  background: rgba(0, 128, 128, 0.05);
  border-color: var(--color-highlight);
}

/* Drag&Drop-Zone (nur für Drag&Drop) */
.drop-area {
  position: relative;
  width: 100%;
  min-height: 150px;
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 1rem;
  background: rgba(0, 128, 128, 0.02);
}

.drop-area.highlight {
  border-color: var(--color-highlight);
  background-color: rgba(0, 128, 128, 0.08);
}

.file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}




/* Buttons */
.button {
  width: 100%;
  padding: var(--space-sm);
  background: var(--color-highlight);
  color: white;
  border-radius: var(--border-radius);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  transition: background 0.2s ease;
}

.button:hover {
  background: var(--color-highlight-hover);
}

/* Messages */
.error-message {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  text-align: center;
  background: rgba(237, 73, 86, 0.1);
  padding: var(--space-xs);
  border-radius: var(--border-radius);
}

.upload-message {
  color: var(--color-success);
  font-size: var(--font-size-md);
  text-align: center;
}

/* =============================================
   BUTTONS (Global für alle Buttons)
   Modernes Design mit Tiefeneffekt, Hover-Animation und konsistenten States
   ============================================= */
.button {
  width: 100%;
  padding: 12px;
  background: var(--color-highlight);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
}

.button:hover {
  background: var(--color-highlight-hover);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.button:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 128, 128, 0.3);
}

/* Primär-Button (für Login/Upload) */
.button-primary {
  background: var(--color-highlight);
}

.button-primary:hover {
  background: var(--color-highlight-hover);
}

/* Sekundär-Button (falls benötigt) */
.button-secondary {
  background: transparent;
  color: var(--color-highlight);
  border: 1px solid var(--color-highlight);
}

.button-secondary:hover {
  background: rgba(0, 128, 128, 0.1);
}

/* Button-Größen */
.button-lg {
  padding: 16px;
  font-size: var(--font-size-md);
}

.button-sm {
  padding: 8px 12px;
  font-size: var(--font-size-sm);
}

/* =============================================
   UPLOAD-SEITE (admin/upload.php)
   Modernes Drag&Drop-Feld mit Hintergrund und Effekten
   ============================================= */
.upload-page {
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.upload-container {
  width: 100%;
  max-width: 600px;
  background: var(--color-background);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  box-shadow: var(--box-shadow);
  text-align: center;
}

.upload-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
  color: var(--color-secondary);
}

.drop-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background: rgba(0, 128, 128, 0.02);
  margin-bottom: var(--space-md);
}

.drop-area:hover,
.drop-area.highlight {
  border-color: var(--color-highlight);
  background: rgba(0, 128, 128, 0.08);
  box-shadow: 0 4px 12px rgba(0, 128, 128, 0.1);
}

.drop-icon {
  font-size: var(--font-size-xl);
  color: var(--color-highlight);
  margin-bottom: var(--space-sm);
}

.drop-text {
  color: var(--color-secondary);
  font-size: var(--font-size-md);
  margin-bottom: var(--space-xs);
}

.drop-hint {
  color: var(--color-secondary);
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.file-input {
  display: none;
}

.upload-message {
  color: var(--color-success);
  font-size: var(--font-size-md);
  text-align: center;
  margin-top: var(--space-sm);
  padding: var(--space-xs);
  background: rgba(76, 175, 80, 0.1);
  border-radius: var(--border-radius);
}

.error-message {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  text-align: center;
  margin: var(--space-sm) 0;
  padding: var(--space-xs);
  background: rgba(237, 73, 86, 0.1);
  border-radius: var(--border-radius);
}

/* =============================================
   LOGIN-SEITE (admin/login.php)
   Konsistente Anpassung der Buttons
   ============================================= */
.login-button {
  composes: button from global;
  margin-top: var(--space-sm);
}

.upload-button {
  composes: button from global;
  margin-top: var(--space-sm);
}

/* =============================================
   LOGOUT-BUTTON (absolut positioniert)
   ============================================= */
.logout-button {
  position: absolute;
  top: 18px;
  right: 18px;
  color: var(--color-secondary);
  font-size: var(--font-size-lg);
  cursor: pointer;
  transition: color 0.2s ease;
  z-index: 1000; /* Über allem anderen */
}

.logout-button:hover {
  color: var(--color-highlight);
}

/* Versteckter Upload-Button (absolut positioniert, unsichtbar) */
.hidden-upload-button {
  position: absolute;
  top: 18px;
  right: 18px; /* Links vom Logout-Button */
  color: transparent; /* Unsichtbare Schrift */
  background: transparent;
  border: none;
  font-size: var(--font-size-lg);
  cursor: pointer;
  transition: color 0.2s ease;
  z-index: 1000;
  padding: 8px;
  border-radius: 4px;
}

.hidden-upload-button i {
  color: var(--color-background); /* Farbe des Hintergrunds (unsichtbar) */
  transition: color 0.2s ease;
}

.hidden-upload-button:hover i {
  color: var(--color-highlight); /* Türkisgrün beim Hovern */
}



/* Dateivorschau */
.file-preview {
  background: var(--color-background);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  text-align: left;
}

.preview-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

@media (min-width: 768px) {
  .preview-content {
	flex-direction: row;
  }
}

.preview-media {
  flex: 1;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--border-radius);
  background: #f8f8f8;
}

.preview-media img,
.preview-media video {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.preview-info {
  flex: 1;
}

.preview-info p {
  margin: var(--space-xs) 0;
  font-size: var(--font-size-sm);
}

.hidden {
  display: none !important;
}


/* =============================================
   RESPONSIVE ANPASSUNGEN
   ============================================= */
@media (max-width: 768px) {

  .profile-img {
	width: clamp(80px, 18vw, 100px);
	height: clamp(80px, 18vw, 100px);
  }

  .profile-username {
	font-size: var(--font-size-md);
  }

  .profile-bio {
	font-size: var(--font-size-sm);
  }
}

@media (max-width: 450px) {
  .login-box {
	padding: var(--space-md);
  }

  .tab-button {
	padding: var(--space-xs);
	font-size: var(--font-size-sm);
  }
}