/* =============================================
   CRMNG - Base Layout
   ============================================= */

:root {
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 90px;
    --primary-gradient: linear-gradient(135deg, #075E54 0%, #128C7E 100%);
    --sidebar-bg: #ffffff;
    --sidebar-text: #333333;
    --sidebar-hover: #f8f9fa;
    --active-bg: rgba(18, 140, 126, 0.1);
    --active-border: #128C7E;
}

body {
    background-color: #f8f9fa;
}

/* === Sidebar === */
.sidebar {
    position: fixed;
    top: 56px;
    left: 0;
    width: 250px;
    height: calc(100vh - 56px);
    background: #fff;
    border-right: 1px solid #e5e5e5;
    transition: transform 0.3s ease;
    z-index: 1040;
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar.collapsed + .main-content {
    margin-left: 70px;
}

/* === Sidebar Header === */
.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--sidebar-text);
    font-weight: 700;
    font-size: 1.2rem;
}

.sidebar-brand i {
    font-size: 1.5rem;
    color: #128C7E;
    margin-right: 10px;
}

.sidebar.collapsed .sidebar-brand i {
    font-size: 1.8rem;
}

.sidebar.collapsed .sidebar-brand span {
    display: none;
}

/* === Sidebar Toggle === */
.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.3rem;
    color: #128C7E;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.sidebar-toggle:hover {
    background: var(--sidebar-hover);
    opacity: 1;
}

.sidebar-toggle i {
    transition: transform 0.3s ease;
}

.sidebar.collapsed .sidebar-toggle i {
    transform: rotate(180deg);
}

/* === Sidebar Nav === */
.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    margin-bottom: 5px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: 12px;
    margin: 0 10px 5px 10px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    background: var(--sidebar-hover);
    transform: translateX(5px);
}

.nav-link.active {
    background: var(--active-bg);
    color: #128C7E;
    font-weight: 600;
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--active-border);
    border-radius: 0 4px 4px 0;
}

.nav-link i {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
    margin-right: 15px;
    color: #128C7E;
}

.sidebar.collapsed .nav-link span {
    display: none;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    margin: 0 5px;
    padding: 15px;
}

.sidebar.collapsed .nav-link i {
    margin-right: 0;
}

/* === Main Content === */
.main-content {
    margin-left: 250px;
    padding: 20px;
    transition: margin-left 0.3s ease;
}

.main-content.expanded {
    margin-left: var(--sidebar-collapsed-width);
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1030;
    display: none;
}

.sidebar-overlay.show {
    display: block;
}

/* ===== MOBILE ===== */

@media (max-width: 768px) {

    .sidebar {
        transform: translateX(-100%);
        margin-left: 0;
        top: 56px;
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 15px;
    }
}