:root {
    --ms-blue: #0f6cbd;
    --ms-bg: #f5f7fa; /* Helleres, kühleres Grau */
    --ms-sidebar: #ffffff;
    --ms-border: #edebe9;
    --ms-text: #242424;
    --radius-xl: 16px;
    --radius-md: 12px;
}

body {
    background-color: var(--ms-bg);
    font-family: 'Segoe UI Variable', 'Segoe UI', sans-serif; /* Modernere Font */
    color: var(--ms-text);
    height: 100vh;
    overflow: hidden;
}

/* Utils */
.rounded-xl { border-radius: var(--radius-xl) !important; }
.shadow-soft { box-shadow: 0 4px 20px rgba(0,0,0,0.04); }
.avatar-circle {
    width: 36px; height: 36px;
    background: var(--ms-blue); color: white;
    border-radius: 50%; display: flex;
    align-items: center; justify-content: center;
    font-weight: 600; font-size: 14px;
    border: 2px solid white;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--ms-sidebar);
    border-right: 1px solid transparent;
    display: flex; flex-direction: column;
    padding: 1rem;
    box-shadow: 4px 0 24px rgba(0,0,0,0.02);
    z-index: 10;
}

.channel-link {
    display: flex; align-items: center;
    padding: 10px 16px;
    margin-bottom: 4px;
    border-radius: var(--radius-md);
    color: #605e5c;
    text-decoration: none;
    transition: all 0.2s;
    font-weight: 500;
}
.channel-link:hover { background-color: #f3f2f1; color: var(--ms-text); }
.channel-link.active {
    background-color: #e5f0fa;
    color: var(--ms-blue);
    font-weight: 700;
}

/* Main Area */
.main-content {
    flex-grow: 1; display: flex; flex-direction: column;
    background: var(--ms-bg);
}

.top-bar {
    background: transparent;
    padding: 1rem 2rem;
    display: flex; justify-content: space-between; align-items: center;
}

/* Member Stack (Oben rechts) */
.member-stack { display: flex; flex-direction: row-reverse; }
.member-stack .avatar-circle { margin-left: -10px; transition: transform 0.2s; cursor: default; }
.member-stack .avatar-circle:hover { transform: translateY(-3px); z-index: 5; }

/* Cards & Content */
.content-area {
    padding: 0 2rem 2rem 2rem;
    overflow-y: auto;
    height: 100%;
}

.outlook-card {
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(0,0,0,0.02);
    box-shadow: 0 2px 12px rgba(0,0,0,0.03);
    margin-bottom: 12px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.outlook-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

/* Explore Grid */
.explore-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1.5rem; }

/* Modal Modernization */
.modal-content { border-radius: 20px; border: none; box-shadow: 0 20px 60px rgba(0,0,0,0.2); }
.modal-header { border-bottom: 1px solid #f3f2f1; padding: 1.5rem; }
.modal-body { padding: 1.5rem; }
.form-control { border-radius: 8px; padding: 10px; border: 1px solid #e1dfdd; background: #fdfdfd; }
.form-control:focus { box-shadow: 0 0 0 3px rgba(15,108,189,0.2); border-color: var(--ms-blue); }

.btn { border-radius: 50px; padding: 8px 20px; font-weight: 600; }
.btn-primary { background-color: var(--ms-blue); border: none; box-shadow: 0 4px 12px rgba(15,108,189,0.3); }