/* ==============================
   CarlottaX Design Tokens
   ============================== */
:root {
    --c-bg: #E7E3E2;
    --c-surface: rgba(255,255,255,0.75);
    --c-surface-solid: #ffffff;
    --c-text: #2F1D1E;
    --c-muted: #A29FA3;

    --c-accent: #9A2A53;   /* Rosé-Rot */
    --c-accent-2: #325568; /* Glacio-Blaugrün */

    --radius: 14px;
    --shadow: 0 6px 24px rgba(0,0,0,.1);

    --transition: 0.25s ease;
}

[data-theme="dark"] {
    --c-bg: #1c191a;
    --c-surface: rgba(36,33,36,0.8);
    --c-surface-solid: #242124;
    --c-text: #E7E3E2;
    --c-muted: #A29FA3;
    --shadow: 0 8px 28px rgba(0,0,0,.45);
}

/* ==============================
   Global Styles
   ============================== */
body {
    margin: 0;
    font-family: "Segoe UI", system-ui, sans-serif;
    background: var(--c-bg);
    color: var(--c-text);
}

a {
    color: inherit;
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

.hidden {
    display: none !important;
}

:focus-visible {
    outline: 3px solid color-mix(in oklab, var(--c-accent) 60%, white);
    outline-offset: 2px;
    border-radius: 6px;
}

/* ==============================
   Sidebar Layout
   ============================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 220px;
    height: 100vh;
    background: var(--c-surface);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    border-right: 1px solid color-mix(in oklab, var(--c-muted) 25%, transparent);
    transition: background var(--transition), width var(--transition);
    z-index: 100;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-bottom: 1px solid color-mix(in oklab, var(--c-muted) 20%, transparent);
}

.sidebar-header::before {
    content: "";
    display: inline-block;
    width: 32px;
    height: 32px;
    background: url("/CarlottaX/img/data/icon.png") center/contain no-repeat;
    border-radius: 8px;
    flex-shrink: 0;
}

.sidebar-header h2 {
    font-size: 1.2rem;
    margin: 0;
    font-weight: 700;
    color: var(--c-accent-2);
}

/* ==============================
   Menu
   ============================== */
.sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 0.75rem 0;
    flex-grow: 1;
}

.sidebar-menu li {
    margin: 0.25rem 0;
}

.sidebar-menu .nav-link {
    display: block;
    padding: 0.65rem 1rem;
    border-radius: var(--radius);
    transition: background var(--transition), color var(--transition);
    font-weight: 500;
    color: var(--c-text);
}

.sidebar-menu .nav-link:hover {
    background: color-mix(in oklab, var(--c-accent-2) 12%, transparent);
}

.sidebar-menu .nav-link.active {
    background: color-mix(in oklab, var(--c-accent) 18%, transparent);
    color: var(--c-accent);
    font-weight: 600;
}

/* ==============================
   Footer / Avatar
   ============================== */
.sidebar-footer {
    margin-top: auto;
    padding: 1rem;
    position: relative;
}

.profile-avatar-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.profile-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--c-accent);
    transition: transform 0.2s, box-shadow 0.2s;
}

.profile-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 0 10px rgba(154,42,83,0.45);
}

/* ==============================
   Dropdown Menu
   ============================== */
#dropdown-menu {
    position: absolute;
    bottom: 70px;
    left: 1rem;
    background: var(--c-surface-solid);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    min-width: 160px;
    z-index: 2000;
    animation: fadeIn 0.2s ease;
}

#dropdown-menu li {
    padding: 0;
}

#dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--c-text);
    text-decoration: none;
    transition: background var(--transition);
    font-size: 0.95rem;
}

#dropdown-menu a:hover {
    background: color-mix(in oklab, var(--c-accent) 15%, transparent);
}

/* ==============================
   Animations
   ============================== */
@keyframes fadeIn {
    from {opacity: 0; transform: translateY(4px);}
    to   {opacity: 1; transform: translateY(0);}
}