:root {
    --navbar-height: 64px;
    --sidebar-width: 260px;

    --primary-color: #0d6efd;
    --background-color: #f5f7fb;
    --sidebar-color: #212529;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--background-color);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

/* ==========================
   Navbar
========================== */

.navbar {
    height: var(--navbar-height);
}

/* ==========================
   Sidebar
========================== */

.sidebar {
    position: fixed;

    top: var(--navbar-height);
    left: 0;

    width: var(--sidebar-width);
    height: calc(100vh - var(--navbar-height));

    background: var(--sidebar-color);

    padding: 20px;

    overflow-y: auto;
}

.sidebar .nav-link {
    color: #ced4da;

    display: flex;
    align-items: center;

    gap: 12px;

    padding: 12px 16px;

    border-radius: 10px;

    transition: .25s;
}

.sidebar .nav-link:hover {
    background: rgba(255,255,255,.10);

    color: white;
}

.sidebar .nav-link.active {
    background: var(--primary-color);

    color: white;
}

/* ==========================
   Mobile Menu
========================== */

.mobile-navigation .nav-link {
    padding: 12px 16px;

    border-radius: 10px;

    color: #333;
}

.mobile-navigation .nav-link:hover {
    background: var(--primary-color);

    color: white;
}

/* ==========================
   Main Content
========================== */

.main-content {

    margin-left: var(--sidebar-width);

    padding:

        calc(var(--navbar-height) + 30px)

        30px

        30px;

}

/* ==========================
   Cards
========================== */

.dashboard-card {

    border: none;

    border-radius: 16px;

    box-shadow:

        0 10px 25px rgba(0,0,0,.08);

    transition: .25s;
}

.dashboard-card:hover {

    transform: translateY(-5px);

}

.card-icon {

    width: 60px;
    height: 60px;

    border-radius: 14px;

    display: flex;

    justify-content: center;
    align-items: center;

    background: #eef4ff;

    color: var(--primary-color);

    font-size: 28px;

    margin-bottom: 18px;
}

/* ==========================
   Responsive
========================== */

@media (max-width:991px){

    .main-content{

        margin-left:0;

        padding:

            calc(var(--navbar-height) + 20px)

            20px;

    }

}
/* ==========================
   Login Page
========================== */

.login-page {
    min-height: 100vh;
    background:
        radial-gradient(
            circle at top left,
            rgba(13, 110, 253, 0.18),
            transparent 35%
        ),
        linear-gradient(
            135deg,
            #f4f7fb 0%,
            #e8eef8 100%
        );
}

.login-wrapper {
    display: grid;
    min-height: 100vh;
    padding: 1.5rem;
    place-items: center;
}

.login-card {
    width: 100%;
    max-width: 430px;
    border: 0;
    border-radius: 1.25rem;
    box-shadow: 0 1.5rem 4rem rgba(25, 42, 70, 0.14);
}

.login-logo {
    display: grid;
    width: 72px;
    height: 72px;
    margin: 0 auto;
    place-items: center;
    border-radius: 1.25rem;
    background-color: #0d6efd;
    color: #ffffff;
    font-size: 2rem;
}
/* =========================================================
   Authentication Layout
   Used by templates/layouts/auth_base.html
========================================================= */

.auth-page {
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(
            circle at top left,
            rgba(13, 110, 253, 0.16),
            transparent 34%
        ),
        linear-gradient(
            135deg,
            #f4f7fb 0%,
            #e8eef8 100%
        );
}

.auth-shell {
    display: grid;
    min-height: 100vh;
    padding: 1.5rem;
    place-items: center;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    padding: 2rem;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 1.25rem;
    box-shadow:
        0 1.5rem 4rem rgba(15, 23, 42, 0.14);
}

.auth-brand {
    margin-bottom: 1.75rem;
}

.auth-logo {
    display: grid;
    width: 72px;
    height: 72px;
    margin: 0 auto 1rem;
    place-items: center;
    border-radius: 1.25rem;
    background: #0d6efd;
    color: #ffffff;
    font-size: 2rem;
    box-shadow:
        0 0.75rem 1.5rem rgba(13, 110, 253, 0.22);
}

.auth-title {
    margin-bottom: 0.35rem;
    font-size: 1.8rem;
    font-weight: 700;
    color: #172033;
}

.auth-subtitle {
    margin-bottom: 0;
    color: #6c757d;
}

.auth-card .form-label {
    font-weight: 600;
    color: #344054;
}

.auth-card .input-group-text {
    min-width: 48px;
    justify-content: center;
    background: #f8fafc;
}

.auth-card .form-control,
.auth-card .input-group-text,
.auth-card .btn {
    min-height: 48px;
}

.auth-card .btn-primary {
    font-weight: 600;
}

.auth-footer {
    margin-top: 1.5rem;
    color: #7a8495;
    font-size: 0.875rem;
}

@media (max-width: 575.98px) {
    .auth-shell {
        padding: 1rem;
    }

    .auth-card {
        padding: 1.5rem;
        border-radius: 1rem;
    }

    .auth-logo {
        width: 64px;
        height: 64px;
        font-size: 1.75rem;
    }

    .auth-title {
        font-size: 1.55rem;
    }
}

/* =========================================================
   Application Layout
   Used by templates/layouts/app_base.html
========================================================= */

.app-page {
    min-height: 100vh;
    background: #f5f7fb;
    color: #1f2937;
}

.app-navbar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1040;
    height: var(--navbar-height);
    background: #111827;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.18);
}

.app-navbar .container-fluid {
    height: 100%;
}

.app-navbar-logo {
    display: grid;
    width: 36px;
    height: 36px;
    place-items: center;
    border-radius: 10px;
    background: var(--primary-color);
    color: #ffffff;
}

.btn-navbar {
    color: #ffffff;
    border: 0;
}

.btn-navbar:hover,
.btn-navbar:focus {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

.app-sidebar {
    position: fixed;
    top: var(--navbar-height);
    bottom: 0;
    left: 0;
    z-index: 1030;
    width: var(--sidebar-width);
    padding: 1.25rem 1rem;
    background: #1f2937;
    overflow-y: auto;
}

.app-sidebar .nav {
    gap: 0.4rem;
}

.app-sidebar .nav-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    border-radius: 0.75rem;
    color: #cbd5e1;
    transition:
        background-color 0.2s ease,
        color 0.2s ease,
        transform 0.2s ease;
}

.app-sidebar .nav-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(3px);
}

.app-sidebar .nav-link.active {
    color: #ffffff;
    background: var(--primary-color);
    box-shadow: 0 0.5rem 1rem rgba(13, 110, 253, 0.2);
}

.app-sidebar-footer {
    position: absolute;
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    color: #94a3b8;
}

.app-main {
    min-height: 100vh;
    margin-left: var(--sidebar-width);
    padding:
        calc(var(--navbar-height) + 2rem)
        2rem
        2rem;
}

.dashboard-card {
    height: 100%;
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 1rem;
    box-shadow: 0 0.75rem 2rem rgba(15, 23, 42, 0.08);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.dashboard-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 1rem 2.5rem rgba(15, 23, 42, 0.12);
}

.card-icon {
    display: grid;
    width: 56px;
    height: 56px;
    margin-bottom: 1rem;
    place-items: center;
    border-radius: 1rem;
    background: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
    font-size: 1.55rem;
}

.mobile-navigation {
    gap: 0.35rem;
}

.mobile-navigation .nav-link {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    border-radius: 0.75rem;
    color: #334155;
}

.mobile-navigation .nav-link:hover,
.mobile-navigation .nav-link.active {
    color: #ffffff;
    background: var(--primary-color);
}

@media (max-width: 991.98px) {
    .app-main {
        margin-left: 0;
        padding:
            calc(var(--navbar-height) + 1.5rem)
            1rem
            1.5rem;
    }

    .app-navbar .navbar-brand span:last-child {
        display: none;
    }
}

@media (max-width: 575.98px) {
    .app-main {
        padding-right: 0.75rem;
        padding-left: 0.75rem;
    }

    .dashboard-card {
        border-radius: 0.85rem;
    }
}

.app-main-full {
    margin-left: 0;
}

.navbar-brand-icon {
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
}