/* Life Radio Brückenpicknick - Corporate Design */
:root {
    --life-yellow: #FFED00;
    --life-yellow-dark: #E6D500;
    --life-yellow-light: #FFF433;
    --life-black: #000000;
    --life-gray: #666666;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Layout */
.min-h-screen { min-height: 100vh; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.space-x-2 > * + * { margin-left: 0.5rem; }
.space-x-3 > * + * { margin-left: 0.75rem; }
.space-x-4 > * + * { margin-left: 1rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }

/* Grid */
.grid { display: grid; }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gap-4 { gap: 1rem; }

/* Positioning */
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.sticky { position: sticky; }
.top-0 { top: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.left-4 { left: 1rem; }
.right-4 { right: 1rem; }
.top-4 { top: 1rem; }
.bottom-20 { bottom: 5rem; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.z-10 { z-index: 10; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }

/* Sizing */
.w-full { width: 100%; }
.h-full { height: 100%; }
.w-4 { width: 1rem; }
.h-4 { height: 1rem; }
.w-6 { width: 1.5rem; }
.h-6 { height: 1.5rem; }
.w-10 { width: 2.5rem; }
.h-10 { height: 2.5rem; }
.w-14 { width: 3.5rem; }
.h-14 { height: 3.5rem; }
.w-24 { width: 6rem; }
.h-24 { height: 6rem; }
.w-32 { width: 8rem; }
.h-32 { height: 8rem; }
.max-w-md { max-width: 28rem; }

/* Spacing */
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.pt-14 { padding-top: 3.5rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-16 { padding-bottom: 4rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.ml-4 { margin-left: 1rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Typography */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Colors */
.bg-white { background-color: #ffffff; }
.bg-black { background-color: #000000; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-gray-300 { background-color: #d1d5db; }
.bg-gray-800 { background-color: #1f2937; }
.bg-red-500 { background-color: #ef4444; }
.bg-red-600 { background-color: #dc2626; }
.bg-blue-500 { background-color: #3b82f6; }
.bg-yellow-400 { background-color: var(--life-yellow-dark); }

.text-white { color: #ffffff; }
.text-black { color: #000000; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-red-500 { color: #ef4444; }

/* Life Radio Specific */
.bg-life-yellow { background-color: var(--life-yellow); }
.text-life-yellow { color: var(--life-yellow); }

/* Borders */
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-4 { border-width: 4px; }
.border-b { border-bottom-width: 1px; }
.border-l-4 { border-left-width: 4px; }
.border-gray-100 { border-color: #f3f4f6; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300 { border-color: #d1d5db; }
.border-white { border-color: #ffffff; }

/* Border Radius */
.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* Effects */
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.opacity-50 { opacity: 0.5; }
.opacity-90 { opacity: 0.9; }

/* Transitions */
.transition { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-colors { transition-property: background-color, border-color, color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }

/* Hover States */
.hover\:bg-gray-300:hover { background-color: #d1d5db; }
.hover\:bg-gray-800:hover { background-color: #1f2937; }
.hover\:bg-red-600:hover { background-color: #dc2626; }
.hover\:bg-yellow-400:hover { background-color: var(--life-yellow-dark); }
.hover\:text-life-yellow:hover { color: var(--life-yellow); }
.hover\:scale-105:hover { transform: scale(1.05); }

/* Focus States */
.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:border-life-yellow:focus { border-color: var(--life-yellow); }
.focus\:border-yellow-400:focus { border-color: var(--life-yellow-dark); }

/* Utilities */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.overflow-auto { overflow: auto; }
.cursor-pointer { cursor: pointer; }

/* Animation */
.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .5; }
}

/* Life Radio Components */
.btn-life {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 700;
    border-radius: 0.5rem;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-life-primary {
    background-color: var(--life-yellow);
    color: black;
}

.btn-life-primary:hover {
    background-color: var(--life-yellow-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 237, 0, 0.3);
}

.btn-life-secondary {
    background-color: transparent;
    color: black;
    border: 2px solid black;
}

.btn-life-secondary:hover {
    background-color: black;
    color: white;
}

/* Navigation */
#bottom-nav {
    background: white;
    border-top: 1px solid #e5e7eb;
    box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.05);
}

.nav-item {
    color: #666;
    text-decoration: none;
    padding: 0.5rem;
    transition: color 0.2s;
    position: relative;
}

.nav-item.active {
    color: black;
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--life-yellow);
    border-radius: 50%;
}

/* FAB */
#fab {
    position: fixed;
    bottom: 5rem;
    right: 1rem;
    width: 3.5rem;
    height: 3.5rem;
    background-color: var(--life-yellow);
    color: black;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: all 0.3s;
    z-index: 40;
    font-size: 1.5rem;
    font-weight: bold;
    border: 2px solid black;
}

#fab:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* Input Styles */
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 1rem;
    transition: all 0.2s;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--life-yellow);
    box-shadow: 0 0 0 3px rgba(255, 237, 0, 0.1);
}

/* Container */
.container-app {
    max-width: 28rem;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Responsive */
@media (max-width: 640px) {
    .container-app {
        padding: 0;
    }
}