/* Global Resets & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    font-family: var(--font-family-sans);
    background-color: var(--color-background);
    color: var(--color-text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--color-text-main);
}

a {
    text-decoration: none;
    color: var(--color-primary);
    transition: color 0.2s;
}

a:hover {
    color: var(--color-primary-hover);
}

/* App Layout */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.side-drawer {
    width: var(--sidebar-width);
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    overflow-y: auto;
}

.drawer-head {
    min-height: var(--header-height);
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
}

.drawer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-primary);
}

.drawer-mark {
    width: 32px;
    height: 32px;
    background-color: var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.drawer-nav {
    padding: var(--spacing-md) 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex-grow: 1;
}

.drawer-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text-muted);
    font-weight: 500;
}

.drawer-link:hover {
    background-color: var(--color-surface-muted);
    color: var(--color-text-main);
}

.drawer-link.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-right: 3px solid var(--color-primary);
}

.drawer-link-icon {
    width: 20px;
    text-align: center;
}

.drawer-role {
    display: none;
}

.drawer-footer {
    margin-top: auto;
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.drawer-help-card {
    padding: 1rem;
    background-color: var(--color-surface-soft);
}

.drawer-logout {
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-status-danger);
    font-weight: 600;
    border: 1px solid #FECACA;
    border-radius: var(--radius-md);
    background: #FEF2F2;
}

.drawer-logout:hover {
    background: #FEE2E2;
    color: #B91C1C;
}

/* Main Content Area */
.content-wrapper {
    flex-grow: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.app-header {
    height: var(--header-height);
    min-height: var(--header-height);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    position: sticky;
    top: 0;
    z-index: 50;
}

.drawer-brand img,
.app-header img {
    width: var(--header-logo-width);
    height: auto;
    max-height: var(--header-logo-height);
    object-fit: contain;
    display: block;
    flex-shrink: 0;
}

.header-search {
    display: flex;
    align-items: center;
    background-color: var(--color-surface-muted);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    width: 400px;
}

.header-search input {
    border: none;
    background: transparent;
    outline: none;
    margin-left: var(--spacing-sm);
    width: 100%;
}

@media (max-width: 1023.98px) {
    .app-header {
        height: var(--mobile-header-height);
        min-height: var(--mobile-header-height);
        padding: 0 14px;
    }

    .drawer-head {
        min-height: var(--mobile-header-height);
        padding: 0 14px;
    }

    .drawer-brand img,
    .app-header img {
        width: var(--mobile-header-logo-width);
        max-height: var(--mobile-header-logo-height);
    }
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.notification-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    font-size: 1.25rem;
    color: var(--color-text-muted);
    cursor: pointer;
    position: relative;
    text-decoration: none;
}

.notification-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--color-status-danger);
    color: white;
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: var(--radius-pill);
    font-weight: bold;
}

.profile-dropdown {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.profile-menu {
    position: relative;
}

.profile-menu summary {
    list-style: none;
}

.profile-menu summary::-webkit-details-marker {
    display: none;
}

.profile-menu[open] .profile-dropdown {
    color: var(--color-primary);
}

.profile-menu-summary-text {
    text-align: right;
}

.profile-menu-chevron {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.profile-menu[open] .profile-menu-chevron {
    transform: rotate(180deg);
}

.profile-menu-card {
    position: absolute;
    right: 0;
    top: calc(100% + 0.75rem);
    width: 280px;
    padding: var(--spacing-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

.profile-menu-head {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xs);
}

.profile-menu-head strong,
.profile-menu-head span {
    display: block;
}

.profile-menu-head span {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-top: 0.1rem;
}

.profile-menu-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 40px;
    padding: 0.65rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-weight: 500;
}

.profile-menu-link:hover {
    background: var(--color-surface-muted);
    color: var(--color-primary);
}

.profile-menu-link i {
    width: 18px;
    text-align: center;
}

.profile-menu-link.danger {
    color: var(--color-status-danger);
}

.profile-menu-link.danger:hover {
    background: #FEF2F2;
    color: #B91C1C;
}

.menu-count {
    margin-left: auto;
    min-width: 22px;
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-pill);
    background: var(--color-status-danger);
    color: white;
    font-size: 0.7rem;
    text-align: center;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.avatar-sm {
    width: 34px;
    height: 34px;
    font-size: 0.8rem;
    flex: 0 0 auto;
}

/* Content Area */
.content-area {
    padding: var(--spacing-xl);
    flex-grow: 1;
}

.screen-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.screen-heading h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.screen-heading p {
    color: var(--color-text-muted);
}

/* Utilities */
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.text-muted { color: var(--color-text-muted); }
.text-danger { color: var(--color-status-danger); }
.text-success { color: var(--color-status-success); }
.font-weight-bold { font-weight: 600; }