/* Theme Variables */
:root {
    /* Light Theme (default) */
    --primary-color: #4CAF50;
    --secondary-color: #2196F3;
    --background-color: #f5f5f5;
    --card-background: #ffffff;
    --text-color: #333333;
    --border-color: #dddddd;
    --cell-background: #ffffff;
    --cell-hover: #f0f0f0;
    --number-cell-bg: #e0e0e0;
    --shadow-color: rgba(0,0,0,0.1);
}

/* Dark Theme */
[data-theme="dark"] {
    --primary-color: #5CBA60;
    --secondary-color: #64B5F6;
    --background-color: #1a1a1a;
    --card-background: #2d2d2d;
    --text-color: #ffffff;
    --border-color: #404040;
    --cell-background: #3d3d3d;
    --cell-hover: #4d4d4d;
    --number-cell-bg: #404040;
    --shadow-color: rgba(0,0,0,0.3);
}

/* Basic Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
    transition: all 0.3s ease;
}

/* Theme Switch Styles */
.theme-switch-wrapper {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    z-index: 100;
}

.theme-switch {
    display: inline-block;
    height: 34px;
    position: relative;
    width: 60px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: #ccc;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    background-color: #fff;
    bottom: 4px;
    content: "";
    height: 26px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 26px;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #2196F3;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider .sun,
.slider .moon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    transition: .4s;
}

.slider .sun {
    left: 5px;
}

.slider .moon {
    right: 5px;
}

/* Container Styles */
.container, .game-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: var(--card-background);
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
    margin-top: 80px
}

/* Form Styles */
.form-container {
    display: flex;
    justify-content: space-around;
    margin-top: 50px;
    gap: 20px;
    flex-wrap: wrap;
}

.form-section {
    background: var(--card-background);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
    width: 45%;
    min-width: 300px;
}

h1, h2, h3, h4 {
    color: var(--text-color);
    margin-bottom: 20px;
}

input[type="text"] {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    background: var(--cell-background);
    color: var(--text-color);
}

button {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 16px;
}

button:hover {
    background-color: #45a049;
}

/* Game Header Styles */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--card-background);
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.game-info {
    flex: 1;
}

#host-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Game Status Styles */
.game-status {
    background: var(--card-background);
    padding: 20px;
    margin: 20px 0;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.status-message {
    text-align: center;
    margin-bottom: 15px;
}

.win-conditions {
    background: var(--cell-background);
    padding: 15px;
    border-radius: 6px;
    margin-top: 10px;
}

.win-conditions h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.win-conditions ul {
    list-style-type: none;
    padding-left: 20px;
}

.win-conditions li {
    margin: 5px 0;
    position: relative;
}

.win-conditions li:before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: -15px;
}

/* Game Content Styles */
.game-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .game-content {
        grid-template-columns: 1fr;
    }
}

/* Drawn Numbers Styles */
.drawn-numbers {
    background: var(--card-background);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.numbers-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 5px;
    margin-top: 10px;
}

.number-cell {
    padding: 10px;
    text-align: center;
    background: var(--number-cell-bg);
    border-radius: 4px;
    font-weight: bold;
}

/* Bingo Card Styles */
.bingo-card-container {
    background: var(--card-background);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.bingo-card {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    padding: 10px;
    background: var(--background-color);
    border-radius: 8px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.bingo-cell {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cell-background);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    font-size: 1.5em;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: bold;
}

.bingo-cell:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.bingo-cell.marked {
    background-color: #90EE90;
    border-color: var(--primary-color);
}

.bingo-cell.drawn {
    border-color: var(--secondary-color);
    border-width: 3px;
}

.bingo-cell.invalid {
    background-color: #ffcccb;
    animation: shake 0.5s;
}

.bingo-cell.winning-cell {
    animation: winner-pulse 1.5s infinite;
    background-color: var(--primary-color) !important;
    color: white !important;
}

/* Control Button Styles */
.control-button {
    padding: 10px 20px;
    margin: 5px;
    width: auto;
    font-size: 14px;
}

#draw-number {
    background-color: var(--secondary-color);
}

#draw-number:hover {
    background-color: #1976D2;
}

#restart-game {
    background-color: #f44336;
}

#restart-game:hover {
    background-color: #d32f2f;
}

/* Message Box Styles */
.message-box {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 25px;
    background: var(--card-background);
    border-radius: 8px;
    box-shadow: 0 4px 6px var(--shadow-color);
    display: none;
    z-index: 1000;
    font-weight: bold;
}

.message-box.show {
    display: block;
    animation: slideIn 0.3s ease-out;
}

/* Winner Announcement Styles */
.winner-announcement {
    background: linear-gradient(135deg, var(--primary-color), #45a049);
    color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    animation: pulse 2s infinite;
}

.winner-announcement h3 {
    color: white;
    margin-bottom: 10px;
}

/* Animations */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes slideIn {
    from { 
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

@keyframes winner-pulse {
    0% { background-color: var(--primary-color); }
    50% { background-color: #45a049; }
    100% { background-color: var(--primary-color); }
}

/* Responsive Design */
@media (max-width: 600px) {
    .form-section {
        width: 100%;
    }

    .game-header {
        flex-direction: column;
        gap: 20px;
    }

    #host-controls {
        width: 100%;
        justify-content: center;
    }

    .bingo-cell {
        font-size: 1.2em;
    }
}

/* Utility Classes */
.hidden {
    display: none;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Registrierungs-Styles */
.register-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.register-container {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  width: 90%;
  max-width: 400px;
  position: relative;
}

.close-button {
  position: absolute;
  top: 10px;
  right: 10px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  width: auto;
  padding: 5px 10px;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
}

.form-group input {
  width: 100%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

.register-container button[type="submit"] {
  width: 100%;
  padding: 10px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 10px;
}

.register-container button[type="submit"]:hover {
  background-color: #0056b3;
}

/* Navigation Styles */
.nav-bar {
    background-color: var(--card-background);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Theme Switch Position korrigieren */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    margin-right: 1rem;  /* Abstand zum "Zurück" Button */
}

.nav-button {
    background-color: var(--primary-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s;
}

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

/* Auth Form Styles */
.auth-container {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--text-color);
}

.form-group input {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--background-color);
    color: var(--text-color);
}

.auth-button {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

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

.auth-link {
    text-align: center;
    margin-top: 1rem;
    color: var(--text-color);
}

.auth-link a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Game Controls Styles */
.game-controls {
    max-width: 600px;
    margin: 2rem auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 2rem;
    background-color: var(--card-background);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.join-game-container {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.game-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--cell-background);
    color: var(--text-color);
}

.game-button {
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: var(--text-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.login-message {
    text-align: center;
    color: var(--text-color);
    padding: 2rem;
    background-color: var(--card-background);
    border-radius: 8px;
    margin: 2rem auto;
    max-width: 400px;
}

.game-area {
    margin-top: 2rem;
}