/* --- Brand (easy to change) --- */
:root {
    --brand-primary: #8b6bf7; /* your primary */
    --brand-secondary: #39a2c4; /* your secondary */
    --brand-accent: #f39c12; /* accent */


    --sidebar-width: 260px;
    --sidebar-collapsed-width: 80px;
    --topnav-height: 60px;
    --sidebar-bg: #1a202c;
    --sidebar-link-color: #a0aec0;
    --sidebar-link-hover-color: #ffffff;
    --sidebar-link-active-bg: #2d3748;
    --transition-speed: 0.3s;
}


/* --- Base Layout --- */
html, body {
    height: 100%;
}

body {
    display: flex;
    background-color: #f7fafc;
    transition: padding-left var(--transition-speed) ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

    body.has-sidebar {
        padding-left: var(--sidebar-width);
    }


.main-content-wrapper {
    flex-grow: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
}


/* --- Sidebar --- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #1a202c 0%, #141924 100%);
    color: white;
    transition: width var(--transition-speed) ease, left var(--transition-speed) ease;
    overflow-x: hidden;
    z-index: 1040;
    box-shadow: 2px 0 16px rgba(0,0,0,0.15);
}
.sidebar-header {
    padding: 0 1.25rem;
    height: var(--topnav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

    .sidebar-brand i {
        color: var(--brand-primary);
    }

.sidebar-nav {
    padding: 0.5rem 0;
}

.sidebar-item {
    padding: 0 0.5rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 0.65rem 0.75rem;
    color: var(--sidebar-link-color);
    text-decoration: none;
    border-radius: 0.5rem;
    white-space: nowrap;
    transition: background-color var(--transition-speed), color var(--transition-speed), transform 80ms ease;
}
    .sidebar-link i {
        font-size: 1.2rem;
        width: 2rem;
        text-align: center;
    }

.sidebar-link-text {
    margin-left: 0.5rem;
    opacity: 1;
    transition: opacity 0.2s;
}

.sidebar-link:hover {
    background-color: var(--sidebar-link-active-bg);
    color: var(--sidebar-link-hover-color);
    transform: translateX(1px);
}

.sidebar-item.active .sidebar-link {
    background-color: var(--sidebar-link-active-bg);
    color: var(--sidebar-link-hover-color);
    font-weight: 600;
}


/* --- Collapsed Sidebar State --- */
body.sidebar-collapsed {
    padding-left: var(--sidebar-collapsed-width);
}

    body.sidebar-collapsed .sidebar {
        width: var(--sidebar-collapsed-width);
    }

    body.sidebar-collapsed .sidebar-brand-text,
    body.sidebar-collapsed .sidebar-link-text {
        opacity: 0;
        width: 0;
        pointer-events: none;
    }


/* --- Top Navigation --- */
.top-nav {
    height: var(--topnav-height);
    background: linear-gradient(90deg, #ffffff 0%, #ffffff 50%, #f8fafc 100%);
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 1020;
    backdrop-filter: saturate(1.2) blur(6px);
}
/* --- Footer --- */
.footer {
    padding: 1rem 0;
    background-color: #ffffff;
}


/* --- Account Pages Layout --- */
.account-layout-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.account-card {
    width: 100%;
    max-width: 450px;
}

    .account-card .card-body {
        padding: 2rem;
    }


/* --- Responsive Design & Mobile Sidebar --- */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0,0,0,0.5);
    z-index: 1035;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed) ease, visibility var(--transition-speed) ease;
}

body.sidebar-mobile-open .sidebar-overlay {
    opacity: 1;
    visibility: visible;
}


@media (max-width: 767.98px) {
    body.has-sidebar {
        padding-left: 0;
    }

    .sidebar {
        left: calc(-1 * var(--sidebar-width));
    }

    .sidebar-brand-text {
        display: none;
    }

    body.sidebar-mobile-open .sidebar {
        left: 0;
    }

    body.sidebar-collapsed .sidebar {
        left: calc(-1 * var(--sidebar-width));
    }
}
/* --- Toast polish --- */
.toast .toast-header {
    align-items: center;
}

.toast {
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border: 0;
}