@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;700&display=swap');

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f4f7f6;
    /* Lighter, cleaner background */
    margin: 0;
}

/* --- Sidebar Design --- */
.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1030;
    width: 260px;
    background: #fff;
    box-shadow: 0 16px 38px -12px rgba(0, 0, 0, 0.56), 0 4px 25px 0px rgba(0, 0, 0, 0.12), 0 8px 10px -5px rgba(0, 0, 0, 0.2);
    background-image: linear-gradient(180deg, #2b2b2b 0%, #1a1a1a 100%);
    transition: all 0.3s ease-in-out;
}

.sidebar .logo {
    padding: 15px 0;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar .logo-normal {
    font-size: 20px;
    color: #fff;
    font-weight: 600;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 1px;
}

.sidebar .sidebar-wrapper {
    height: calc(100vh - 75px);
    overflow: auto;
    padding-bottom: 30px;
}

.sidebar .nav {
    margin-top: 20px;
    padding-left: 0;
    list-style: none;
}

.sidebar .nav li {
    position: relative;
    margin-bottom: 5px;
}

.sidebar .nav li a {
    margin: 5px 15px;
    border-radius: 8px;
    color: #fff;
    padding: 12px 15px;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
}

.sidebar .nav li a i {
    font-size: 22px;
    margin-right: 15px;
    color: #a9afbb;
    width: 25px;
    text-align: center;
}

.sidebar .nav li a p {
    margin: 0;
    font-weight: 400;
    white-space: nowrap;
}

/* Hover & Active States */
.sidebar .nav li:hover a,
.sidebar .nav li.active>a {
    background: linear-gradient(60deg, #ec407a, #42a5f5);
    box-shadow: 0 4px 20px 0px rgba(0, 0, 0, 0.14), 0 7px 10px -5px rgba(233, 30, 99, 0.4);
    color: #fff;
}

.sidebar .nav li:hover a i,
.sidebar .nav li.active>a i {
    color: #fff;
}

/* Submenu Styling */
.sidebar .collapse .nav {
    margin-top: 0;
    padding-left: 10px;
    background: rgba(0, 0, 0, 0.2);
    /* Darker background for submenus */
    border-radius: 8px;
    margin: 0 15px;
}

.sidebar .collapse .nav li a {
    margin: 2px 0;
    padding: 8px 10px;
    box-shadow: none !important;
    background: transparent !important;
}

.sidebar .collapse .nav li a:hover,
.sidebar .collapse .nav li.active>a {
    color: #ec407a !important;
}

.sidebar .collapse .nav li a .sidebar-mini {
    font-size: 11px;
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* --- Main Panel --- */
.main-panel {
    position: relative;
    float: right;
    width: calc(100% - 260px);
    transition: 0.33s, cubic-bezier(0.685, 0.0473, 0.346, 1);
    min-height: 100vh;
}

.content {
    padding: 30px 15px;
    margin-top: 80px;
}

/* --- Navbar --- */
.navbar {
    background: #fff !important;
    border: 0;
    border-radius: 0 0 10px 10px;
    padding: 10px 0;
    box-shadow: 0 4px 18px 0px rgba(0, 0, 0, 0.12), 0 7px 10px -5px rgba(0, 0, 0, 0.15) !important;
    position: absolute;
    width: 100%;
    z-index: 1029;
}

.navbar .navbar-brand {
    font-weight: 600;
    font-size: 18px;
    color: #333;
    text-transform: uppercase;
    margin-left: 15px;
}

.navbar-toggler {
    border: none;
    background: transparent !important;
    outline: none !important;
}

.navbar-toggler .icon-bar {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 1px;
    background-color: #555;
    margin-bottom: 4px;
}

/* --- Premium Inputs --- */
.form-group {
    margin-bottom: 1.5rem;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 8px;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    color: #495057;
    background-color: #fff;
    border-color: #ec407a;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(236, 64, 122, 0.25);
}

.form-floating>label {
    padding: 0.75rem 1rem;
    color: #6c757d;
}

.form-floating>.form-control:focus~label,
.form-floating>.form-control:not(:placeholder-shown)~label {
    color: #ec407a;
    transform: scale(0.85) translateY(-0.75rem) translateX(0.15rem);
}

/* --- Cards --- */
.card {
    border: 0;
    margin-bottom: 30px;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 1px 4px 0 rgba(0, 0, 0, 0.14);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.1);
}

.card-header {
    margin: -20px 15px 0;
    border-radius: 5px;
    padding: 15px;
    background-color: #999;
    position: relative;
    z-index: 3;
    box-shadow: 0 4px 20px 0px rgba(0, 0, 0, 0.14), 0 7px 10px -5px rgba(0, 0, 0, 0.4);
}

/* Colors */
.card-header-primary {
    background: linear-gradient(60deg, #ab47bc, #8e24aa);
}

.card-header-info {
    background: linear-gradient(60deg, #26c6da, #00acc1);
}

.card-header-success {
    background: linear-gradient(60deg, #66bb6a, #43a047);
}

.card-header-warning {
    background: linear-gradient(60deg, #ffa726, #fb8c00);
}

.card-header-danger {
    background: linear-gradient(60deg, #ef5350, #e53935);
}

.card-header-rose {
    background: linear-gradient(60deg, #ec407a, #d81b60);
}

.card-title {
    color: #fff;
    margin-top: 0;
    font-size: 1.125rem;
}

.card-category {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

/* --- Buttons --- */
.btn {
    border: none;
    border-radius: 30px;
    /* Rounded pill buttons */
    padding: 12px 30px;
    margin: 5px 1px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(60deg, #ec407a, #d81b60);
    box-shadow: 0 2px 2px 0 rgba(233, 30, 99, 0.14), 0 3px 1px -2px rgba(233, 30, 99, 0.2), 0 1px 5px 0 rgba(233, 30, 99, 0.12);
}

.btn-primary:hover {
    background: linear-gradient(60deg, #ec407a, #d81b60);
    box-shadow: 0 14px 26px -12px rgba(233, 30, 99, 0.42), 0 4px 23px 0px rgba(0, 0, 0, 0.12), 0 8px 10px -5px rgba(233, 30, 99, 0.2);
    transform: translateY(-1px);
}

/* --- Responsive Sidebar --- */
@media (max-width: 991px) {
    .sidebar {
        transform: translate3d(-260px, 0, 0);
    }

    .main-panel {
        width: 100%;
    }

    .nav-open .sidebar {
        transform: translate3d(0, 0, 0);
    }

    .nav-open .main-panel {
        transform: translate3d(260px, 0, 0);
    }

    body.nav-open {
        overflow-x: hidden;
    }
}