/* ---------------------------------------------------------
   Root Variables (v3.0 Token System)
--------------------------------------------------------- */
:root {
    /* Brand Colors */
    --color-primary: #1bbd36;
    --color-primary-dark: #159a2c;

    /* Accent Colors */
    --color-accent: #0066cc;
    --color-accent-dark: #004c99;

    /* Text Colors */
    --color-text: #333;

    /* Background Colors */
    --color-bg-light: #f2f2f2;
    --color-bg-info: #f0f8ff;

    /* Error Colors */
    --color-error: #dc3545;
    --color-error-bg: #ffe6e6;

    /* Layout */
    --layout-max-width: 1420px;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;

    /* Radius Scale */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;

    /* Shadow Scale */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 3px 6px rgba(0,0,0,0.15);
    --shadow-lg: 0 6px 12px rgba(0,0,0,0.18);
}

/* ---------------------------------------------------------
   Global Layout (v3.0+ Architecture)
--------------------------------------------------------- */
.layout-outer {
    width: 100%;
    max-width: var(--layout-max-width);
    margin-left: auto;
    margin-right: auto;
}

.layout-inner {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
}

@media (min-width: 768px) {
    .layout-inner {
        padding-left: var(--space-xl);
        padding-right: var(--space-xl);
    }
}

/* Ensure content fills the viewport so the footer sits at the bottom */
.page-min-height {
    min-height: calc(90vh - 200px); /* adjust based on header + footer height */
}


/* ---------------------------------------------------------
   Content Width Utilities (v3.1+)
   Apply to any page container to control max width.
--------------------------------------------------------- */
.width-narrow {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.width-medium {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.width-large {
    max-width: 1230px;
    margin-left: auto;
    margin-right: auto;
}

.width-default {
    max-width: calc(var(--layout-max-width) - 100px);
    margin-left: auto;
    margin-right: auto;
}

.width-max {
    max-width: var(--layout-max-width);
    margin-left: auto;
    margin-right: auto;
}

/* ---------------------------------------------------------
   Topbar
--------------------------------------------------------- */
.topbar {
    background-color: var(--color-bg-light);
}

.topbar .layout-inner {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.topbar-link {
    color: var(--color-text);
    font-weight: normal;
    text-decoration: none;
}

.topbar-link:hover {
    color: var(--color-primary);
}

/* ---------------------------------------------------------
   Header / Navigation
--------------------------------------------------------- */
header .layout-inner {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 100%;
}

@media (min-width: 992px) {
    header .layout-inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        flex-wrap: nowrap;
    }
}

header .navbar-collapse {
    flex-basis: 100%;
    flex-grow: 1;
    width: 100%;
    margin-top: var(--space-sm);
}

header .navbar-collapse.collapse.show {
    display: block;
}

/* ---------------------------------------------------------
   Navbar Toggler Refinements
--------------------------------------------------------- */
.navbar-toggler {
    border: 1px solid rgba(0,0,0,0.25) !important;
    background-color: transparent !important;
    box-shadow: none !important;
    outline: none !important;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.navbar-toggler:focus,
.navbar-toggler:active {
    background-color: transparent !important;
    box-shadow: none !important;
    outline: none !important;
}

.navbar-toggler:not(.collapsed) {
    border: 1px solid rgba(0,0,0,0.25) !important;
    background-color: transparent !important;
    box-shadow: var(--shadow-sm) !important;
}

.navbar-toggler.collapsed {
    border: 1px solid rgba(0,0,0,0.25) !important;
    background-color: transparent !important;
    box-shadow: none !important;
}

.navbar-toggler:focus-visible {
    box-shadow: none !important;
}

@media (max-width: 991px) {
    .navbar-toggler {
        padding: 0.15rem 0.35rem;
    }

    .navbar-toggler-icon {
        transform: scale(0.75);
        transform-origin: center;
    }
}

/* ---------------------------------------------------------
   Navigation Links (Topbar + Staff Nav)
--------------------------------------------------------- */
.staff-nav-link {
    color: var(--color-text) !important;
    font-weight: 500;
    transition: color 0.2s ease-in-out;
}

.staff-nav-link:hover {
    color: var(--color-primary) !important;
}

.staff-nav-link.active {
    color: var(--color-primary) !important;
    font-weight: 600;
}

.dropdown-hover:hover {
    background-color: #e9ecef !important;
    color: var(--color-primary) !important;
}

.dropdown-item.active {
    background-color: #f2f2f2 !important;
    color: var(--color-primary) !important;
}

/* ---------------------------------------------------------
   Sidebar Navigation (Documentation / Roadmap / Release Notes)
--------------------------------------------------------- */
.sidebar-nav .nav-link {
    color: var(--color-text) !important;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: color 0.2s ease-in-out, background-color 0.2s ease-in-out;
}

.sidebar-nav .nav-link:hover {
    color: var(--color-primary) !important;
    background-color: #f2f2f2 !important;
}

.sidebar-nav .nav-link.active {
    color: var(--color-primary) !important;
    background-color: #f2f2f2 !important;
    font-weight: 600;
}

.wider-nav .nav-link {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
    font-size: 0.85rem;
}

/* ---------------------------------------------------------
   Cards & Panels
--------------------------------------------------------- */
.card {
    border-radius: var(--radius-md);
}

.custom-shadow {
    box-shadow: var(--shadow-md);
}

/* ---------------------------------------------------------
   Buttons & Form Elements
--------------------------------------------------------- */
.btn-add-inline {
    background: var(--color-accent);
    color: #fff;
    border: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
}

.btn-add-inline:hover {
    background: var(--color-accent-dark);
    color: #fff;
}

.btn-submit {
    background: var(--color-accent);
    color: #fff;
    border: none;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
}

.btn-submit:hover {
    background: var(--color-accent-dark);
    color: #fff;
}

.inline-input-box {
    background: var(--color-bg-info);
    border: 1px solid var(--color-accent);
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    margin-top: var(--space-sm);
}

/* ---------------------------------------------------------
   Inline Errors & Validation
--------------------------------------------------------- */
.inline-error {
    color: var(--color-error);
    font-weight: bold;
    font-size: 0.9em;
}

.select-error {
    border: 2px solid var(--color-error) !important;
    background-color: var(--color-error-bg);
}

/* ---------------------------------------------------------
   Page-Specific Styles
--------------------------------------------------------- */
.overdue {
    color: var(--color-error) !important;
    font-weight: bold;
}

/* ---------------------------------------------------------
   Back to Top Button
--------------------------------------------------------- */
#backToTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    display: none;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: 50px;
    padding: var(--space-sm) var(--space-md);
    font-size: 14px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: opacity 0.3s ease-in-out;
}

#backToTop:hover {
    background-color: var(--color-primary-dark);
}


/* ---------------------------------------------------------
   Responsive Width Presets
--------------------------------------------------------- */
/* @media (min-width: 992px) {
    .width-narrow 	{max-width: 900px;}
    .width-medium 	{max-width: 1100px;}
    .width-large 	{max-width: 1230px;}
    .width-default 	{max-width: calc(var(--layout-max-width) - 50px);}
    .width-max 		{max-width: var(--layout-max-width);}
} */

/* ---------------------------------------------------------
   Responsive Adjustments
--------------------------------------------------------- */

/* Improve sidebar spacing on mobile */
@media (max-width: 991px) {
    .sidebar-nav .nav-link {
        padding-top: var(--space-xs);
        padding-bottom: var(--space-xs);
    }
}

/* Improve card spacing on small screens */
@media (max-width: 575px) {
    .card {
        margin-bottom: var(--space-md);
    }
}