/**
 * Pixelnetz v2 - Base CSS
 * Reset und gemeinsame Variablen
 */

/* CSS Custom Properties */
:root {
    /* Farben - Festlich */
    --color-red: #c41e3a;
    --color-red-dark: #8b0000;
    --color-green: #228b22;
    --color-green-dark: #006400;
    --color-gold: #ffd700;
    --color-gold-dark: #daa520;

    /* Farben - UI */
    --color-bg: #0a1628;
    --color-bg-light: #1a2744;
    --color-bg-card: #243552;
    --color-text: #e8f0ff;
    --color-text-muted: #8899bb;
    --color-border: #3a4a6a;

    /* Farben - Status */
    --color-success: #22c55e;
    --color-warning: #eab308;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
}

/* Links */
a {
    color: var(--color-gold);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-gold-dark);
}

/* Bilder */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Listen */
ul, ol {
    list-style: none;
}

/* Buttons */
button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

/* Inputs */
input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
}

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.text-muted {
    color: var(--color-text-muted);
}

/* Flex Utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

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

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

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Cards */
.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
}

/* Buttons - Base Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--color-gold);
    color: var(--color-bg);
}

.btn-primary:hover {
    background: var(--color-gold-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--color-bg-light);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-card);
    border-color: var(--color-gold);
}

.btn-danger {
    background: var(--color-error);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-success {
    background: var(--color-success);
    color: white;
}

.btn-success:hover {
    background: #16a34a;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-bg-light);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-green), var(--color-gold));
    transition: width var(--transition-normal);
}

/* Fullscreen Layout */
.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* Night Mode Overlay */
.night-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: black;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 1.5rem;
}