/* Haupt-Styles für "Was essen wir morgen?" PWA */

/* CSS Reset und Basis-Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Design Tokens */
:root {
    /* Brand */
    --primary-color: #4caf50; /* Green 500 */
    --primary-600: #45a049;
    --primary-700: #2e7d32;
    --primary-800: #1b5e20;
    --primary-rgb: 76, 175, 80;

    /* Semantic */
    --success-color: #4caf50;
    --danger-color: #f44336;
    --danger-700: #d32f2f;
    --info-color: var(--primary-color);
    --warning-color: #ff9800;

    /* Text */
    --text-color: #333333;
    --text-secondary: #666666;
    --text-muted: #888888;
    --text-inverse: #ffffff;

    /* Modal Text (helles Grün fr bessere Lesbarkeit) */
    --modal-text: #d6f5d8; /* sehr helles gr 0cn */
    --modal-text-secondary: #b7e9bb; /* helles gr 0cn, sekund 04e4r */

    /* Surfaces */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-elevated: #ffffff;
    --bg-card-dark: #2d2d2d;
    --bg-hover: #e0e0e0;

    /* Borders & Dividers */
    --border-color: #e0e0e0;
    --border-color-dark: #404040;

    /* Lists */
    --list-bg: var(--bg-card-dark);
    --list-text: var(--text-inverse);
    --list-border: var(--border-color-dark);
    --list-accent: var(--primary-color);
    --list-completed-bg: #1a4d1a;
    --list-archived-bg: #2a2a2a;
    --list-archived-border: #3a3a3a;
    
    /* Glass */
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-bg-strong: rgba(255, 255, 255, 0.14);
    --glass-border: rgba(255, 255, 255, 0.25);
    --glass-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    --glass-blur: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, #38aa42, #196121);
    min-height: 100vh;
}

/* Layout */
#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.28), rgba(var(--primary-rgb), 0.18));
    color: var(--text-inverse);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid rgba(255,255,255,0.25);
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Navigation */
.nav {
    background: var(--glass-bg);
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 0.25rem;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    margin: 0 1rem;
    gap: 0.5rem;
    align-items: stretch;
}

.nav-btn {
    background: rgba(255,255,255,0.10);
    border: 1px solid var(--glass-border);
    color: var(--text-inverse);
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
    border-radius: 10px;
    margin: 0; /* Grid nutzt gap */
    box-sizing: border-box;
    width: 100%;
}

/* Geteilt-Button immer volle Breite unterhalb der ersten drei */
.nav-btn[data-view="shared"] {
    grid-column: 1 / -1;
}

/* Erste drei bleiben in der ersten Zeile (Grid verteilt sie gleichmäßig) */
.nav-btn[data-view="dishes"],
.nav-btn[data-view="shopping"],
.nav-btn[data-view="archived"] {
    grid-column: auto;
}

.nav-btn:hover {
    background: var(--glass-bg-strong);
    color: var(--text-inverse);
    box-shadow: 0 6px 16px rgba(0,0,0,0.22);
}

.nav-btn.active {
    color: var(--text-inverse);
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.35), rgba(var(--primary-rgb), 0.18)), var(--glass-bg-strong);
    border-color: var(--glass-border);
    box-shadow: 0 8px 20px rgba(0,0,0,0.24);
}

/* Main Content */
.main {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Views */
.view {
    display: none;
}

.view.active {
    display: block;
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.view-header h2 {
    color: var(--primary-700);
    font-size: 2rem;
    font-weight: 600;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    text-align: center;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    background: rgba(255,255,255,0.12);
    color: var(--text-inverse);
    border-color: rgba(255,255,255,0.25);
}

.btn-primary {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.85), rgba(var(--primary-rgb), 0.7));
    color: var(--text-inverse);
    border-color: rgba(255,255,255,0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.95), rgba(var(--primary-rgb), 0.8));
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(var(--primary-rgb), 0.35);
}

.btn-secondary {
    background: rgba(255,255,255,0.18);
    color: var(--text-inverse);
    border-color: rgba(255,255,255,0.25);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.26);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.btn-success {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.85), rgba(45, 150, 50, 0.85));
    color: var(--text-inverse);
    border-color: rgba(255,255,255,0.25);
}

.btn-success:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, rgba(244, 67, 54, 0.9), rgba(211, 47, 47, 0.9));
    color: var(--text-inverse);
    border-color: rgba(255,255,255,0.25);
}

.btn-danger:hover {
    background: var(--danger-700);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Ghost/Neutral Glass Button */
.btn-ghost {
    background: rgba(255,255,255,0.12);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
    background: rgba(255,255,255,0.2);
    box-shadow: 0 6px 16px rgba(0,0,0,0.18);
}

/* Compact rounded Icon Button for list actions */
.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.12);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
}

.btn-icon:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.18);
}

/* Icon-only Button (kompakter Header-Button) */
.icon-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    color: var(--text-inverse);
    border: 1px solid rgba(255,255,255,0.35);
    cursor: pointer;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.icon-btn:hover {
    background: rgba(255,255,255,0.22);
    transform: translateY(0);
    box-shadow: none;
}

.icon-btn:active {
    background: rgba(0,0,0,0.15);
}

/* Lists */
.list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.list-item {
    background: var(--glass-bg);
    border-radius: 14px;
    padding: 1.5rem;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s ease;
    border-left: 4px solid var(--list-accent);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

.list-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.22);
    background: var(--glass-bg-strong);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.item-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-700);
}

.item-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.item-description {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-style: italic;
}

.item-details {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.item-meta {
    display: flex;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    flex-wrap: wrap;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
}

.empty-state h3 {
    color: var(--primary-700);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.empty-state p {
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Shopping Controls */
.shopping-controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Hidden Class */
.hidden {
    display: none !important;
}

/* ------------------------------ */
/* Glassmorphism Utilities & FX   */
/* ------------------------------ */

/* Generic glass surface */
.glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
}

/* Stronger glass background */
.glass-strong {
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(calc(var(--glass-blur) * 1.15));
    -webkit-backdrop-filter: blur(calc(var(--glass-blur) * 1.15));
}

/* Subtle gradient tint similar to css.glass presets */
.glass-tint-green {
    background: linear-gradient(135deg,
        rgba(var(--primary-rgb), 0.14),
        rgba(var(--primary-rgb), 0.08))
        , var(--glass-bg);
    border: 1px solid rgba(255,255,255,0.25);
}

/* Blur utilities */
.blur-sm { backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.blur-md { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.blur-lg { backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }

/* Rounded utilities for quick composition */
.rounded-md { border-radius: 12px; }
.rounded-lg { border-radius: 16px; }
.rounded-xl { border-radius: 22px; }

/* Elevation utilities */
.shadow-glass { box-shadow: var(--glass-shadow); }
.shadow-glass-lg { box-shadow: 0 12px 28px rgba(0,0,0,0.22); }

/* Fallbacks when backdrop-filter is not supported */
@supports not ((-webkit-backdrop-filter: none) or (backdrop-filter: none)) {
    .glass,
    .glass-strong,
    .list-item,
    .header,
    .nav,
    .btn,
    .btn-icon,
    .icon-btn {
        /* Use more opaque backgrounds as graceful fallback */
        background-color: rgba(255,255,255,0.9) !important;
        box-shadow: 0 8px 20px rgba(0,0,0,0.12);
    }
}

/* ------------------------------ */
/* Background Enhancements        */
/* ------------------------------ */

/* Keep main gradient but add a subtle fixed overlay for depth */
body {
    background-attachment: fixed;
}

/* Noise-like subtle pattern + vignette without external assets */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(1200px 600px at 10% -10%, rgba(255,255,255,0.35), transparent 60%),
        radial-gradient(1200px 600px at 110% 110%, rgba(0,0,0,0.08), transparent 60%),
        /* subtle dither-like pattern */
        radial-gradient(circle at 25% 25%, rgba(255,255,255,0.06) 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, rgba(0,0,0,0.04) 1px, transparent 1px);
    background-size:
        100% 100%,
        100% 100%,
        3px 3px,
        3px 3px;
    mix-blend-mode: normal;
}

/* Ensure app content sits above overlay */
#app { position: relative; z-index: 1; }

/* Dark mode tuning for overlay */
@media (prefers-color-scheme: dark) {
    body::before {
        background:
            radial-gradient(1200px 600px at 10% -10%, rgba(255,255,255,0.08), transparent 60%),
            radial-gradient(1200px 600px at 110% 110%, rgba(0,0,0,0.22), transparent 60%),
            radial-gradient(circle at 25% 25%, rgba(255,255,255,0.04) 1px, transparent 1px),
            radial-gradient(circle at 75% 75%, rgba(0,0,0,0.06) 1px, transparent 1px);
    }
}