/* 
 * Robnik Movement Ventures - Design System
 * Based on the Brand Styleguide.
 */

:root {
    /* Primary Colors */
    --color-nachtblau: #0A2240;
    --color-nachtblau-light: #16335a;
    --color-nachtblau-dark: #07192e;

    /* Secondary / Surface Colors */
    --color-wolkengrau: #F0F2F5;
    --color-wolkengrau-dark: #dadddf;

    /* Accent Color */
    --color-energie-gruen: #00F5A0;
    --color-energie-gruen-glow: rgba(0, 245, 160, 0.3);

    /* Functional Colors */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #9ca3af;
    --color-border: rgba(255, 255, 255, 0.1);

    /* Glassmorphism */
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);
    --blur-main: blur(12px);

    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Source Sans Pro', sans-serif;
}

/* Base Styles */
body {
    background-color: var(--color-nachtblau-dark);
    background-image: radial-gradient(circle at 50% 50%, var(--color-nachtblau) 0%, var(--color-nachtblau-dark) 100%);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
.font-heading {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Sidebar Styling */
.sidebar {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-main);
    border-right: 1px solid var(--color-border);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
    display: flex;
    /* Default for desktop */
}

/* Sidebar width controls */
.sidebar-expanded {
    width: 260px;
}

.sidebar-collapsed {
    width: 72px;
}

@media (max-width: 767px) {
    body {
        overflow: auto !important;
        height: auto !important;
        display: block !important;
    }

    aside,
    .sidebar,
    [class*="sidebar"] {
        display: none !important;
        width: 0 !important;
        max-width: 0 !important;
        opacity: 0 !important;
        pointer-events: none !important;
        position: absolute !important;
    }

    .bottom-nav,
    #mobile-nav {
        display: flex !important;
        flex-direction: row !important;
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        height: 70px !important;
        background: var(--color-nachtblau-dark) !important;
        backdrop-filter: var(--blur-main) !important;
        border-top: 1px solid var(--color-border) !important;
        z-index: 99999 !important;
        justify-content: space-around !important;
        align-items: center !important;
        padding-bottom: env(safe-area-inset-bottom) !important;
        visibility: visible !important;
        opacity: 1 !important;
    }

    main {
        padding-bottom: 90px !important;
        padding-left: 1rem !important;
        padding-right: 1rem !important;
        width: 100% !important;
        max-width: 100vw !important;
        margin-left: 0 !important;
        overflow-y: visible !important;
    }
}

.bottom-nav {
    display: none;
}

.sidebar-collapsed {
    width: 72px;
}

.nav-link-mobile {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 10px;
    font-weight: 600;
    gap: 4px;
}

.nav-link-mobile.active {
    color: var(--color-energie-gruen);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-radius: 12px;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
    margin: 4px 12px;
}

.nav-link:hover {
    background: var(--bg-glass-hover);
    color: var(--color-energie-gruen);
}

.nav-link.active {
    background: rgba(0, 245, 160, 0.1);
    color: var(--color-energie-gruen);
}

.nav-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-label {
    margin-left: 16px;
    font-weight: 600;
    font-size: 0.95rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.sidebar:hover .nav-label {
    opacity: 1;
}

/* Robnik Logo Strich */
.energy-line {
    width: 4px;
    background-color: var(--color-energie-gruen);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--color-energie-gruen-glow);
}

/* Premium Components */
.card-glass {
    background: var(--bg-glass);
    backdrop-filter: var(--blur-main);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-glass:hover {
    transform: translateY(-4px);
    background: var(--bg-glass-hover);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Action Button */
.btn-primary {
    background: var(--color-energie-gruen);
    color: var(--color-nachtblau);
    font-weight: 700;
    padding: 12px 24px;
    border-radius: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-heading);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 0 20px var(--color-energie-gruen-glow);
    transform: translateY(-2px);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}