/* ========================================
   MainLayout - Apple HIG Admin Interface
   Uses global CSS variables from app.css
   ======================================== */

.page {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

/* ========================================
   Auth States
   ======================================== */
.auth-icon {
    font-family: var(--font-family-emoji);
    font-size: 3rem;
    line-height: 1;
    margin-bottom: var(--space-4);
}

/* ========================================
   App Layout
   ======================================== */
.app-layout {
    min-height: 100vh;
    min-height: 100dvh;
    background: var(--color-bg);
}

/* ========================================
   App Header - Responsive
   ======================================== */
.app-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 0.5px solid var(--border-default);
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--space-2);
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

@media (min-width: 480px) {
    .header-container {
        padding: 0 var(--space-4);
        gap: var(--space-4);
    }
}

@media (min-width: 768px) {
    .header-container {
        height: 60px;
        gap: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .header-container {
        padding: 0 var(--space-6);
        height: 64px;
    }
}

.header-brand {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    flex-shrink: 0;
    transition: opacity var(--duration-fast) var(--ease-out);
}

.header-brand:hover {
    opacity: 0.9;
}

.header-brand:active {
    opacity: 0.7;
}

.header-brand .brand-name {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    font-size: clamp(0.9rem, 2.5vw, 1.2rem);
    color: var(--text-primary);
    line-height: var(--line-height-tight);
}

.header-brand .brand-sub {
    font-family: var(--font-family-base);
    font-size: clamp(0.6rem, 1.5vw, 0.7rem);
    color: var(--text-secondary);
}

/* ========================================
   Header Navigation - Responsive
   ======================================== */
.header-nav {
    display: none;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.06);
    padding: 4px;
    border-radius: var(--radius-lg);
    width: fit-content;
}

@media (min-width: 768px) {
    .header-nav {
        display: flex;
    }
}

@media (min-width: 1200px) {
    .header-nav {
        gap: 6px;
    }
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 10px;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-secondary);
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-medium);
    font-size: 0.8rem;
    transition: all var(--duration-fast) var(--ease-out);
    white-space: nowrap;
}

@media (min-width: 768px) {
    .nav-item {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
}

@media (min-width: 1024px) {
    .nav-item {
        padding: 10px 16px;
        gap: 6px;
        font-size: 0.9rem;
    }
}

@media (min-width: 1200px) {
    .nav-item {
        padding: 10px 18px;
        font-size: 0.95rem;
    }
}

.nav-item:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    text-decoration: none;
}

.nav-item:active {
    transform: scale(0.96);
}

.nav-item.active {
    color: var(--text-primary);
    background: var(--surface-secondary);
    box-shadow: var(--shadow-sm);
}

.nav-item svg {
    flex-shrink: 0;
    width: 14px;
    height: 14px;
}

@media (min-width: 1024px) {
    .nav-item svg {
        width: 16px;
        height: 16px;
    }
}

/* Hide nav text on smaller tablets */
@media (min-width: 768px) and (max-width: 899px) {
    .nav-item span {
        display: none;
    }
    
    .nav-item {
        padding: 10px 12px;
    }
    
    .nav-item svg {
        width: 18px;
        height: 18px;
    }
}

/* ========================================
   User Dropdown - Responsive
   ======================================== */
.header-user {
    display: none;
    align-items: center;
    flex-shrink: 0;
    gap: 12px;
}

@media (min-width: 768px) {
    .header-user {
        display: flex;
    }
}

.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.06);
    border: 0.5px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.user-dropdown-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
}

.user-dropdown-toggle:active {
    transform: scale(0.97);
}

.user-dropdown-toggle .user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
}

.user-dropdown-toggle .user-name {
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: var(--line-height-tight);
}

.user-dropdown-toggle .user-role {
    font-family: var(--font-family-base);
    font-size: 0.7rem;
    color: var(--text-secondary);
    background: none;
    padding: 0;
}

.user-dropdown-toggle svg {
    color: var(--text-secondary);
    width: 14px;
    height: 14px;
    transition: transform var(--duration-fast) var(--ease-out);
}

.user-dropdown-toggle svg.rotated {
    transform: rotate(180deg);
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 220px;
    background: var(--surface-primary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 0.5px solid var(--border-default);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-dropdown);
    overflow: hidden;
    animation: dropdownIn var(--duration-normal) var(--ease-spring);
}

@keyframes dropdownIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 14px 18px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-family-base);
    font-size: 1rem;
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-out);
    text-align: left;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.06);
}

.dropdown-item:active {
    background: rgba(255, 255, 255, 0.1);
}

.dropdown-item svg {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
}

.dropdown-item-danger {
    color: var(--color-error-light);
    background: rgba(220, 38, 38, 0.08);
    border-top: 0.5px solid rgba(255, 255, 255, 0.06);
    margin-top: 4px;
}

.dropdown-item-danger:hover {
    background: rgba(220, 38, 38, 0.15);
}

.dropdown-item-danger svg {
    color: var(--color-error-light);
}

.dropdown-divider {
    height: 0.5px;
    background: var(--border-default);
    margin: 6px 0;
}

/* ========================================
   Mobile Menu - Enhanced Responsive
   ======================================== */
.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--touch-target);
    height: var(--touch-target);
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle:active {
    transform: scale(0.9);
    background: rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu {
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-4);
    border-top: 0.5px solid var(--border-default);
    animation: mobileMenuIn var(--duration-normal) var(--ease-out);
    max-height: calc(100vh - 60px);
    max-height: calc(100dvh - 60px);
    overflow-y: auto;
}

@keyframes mobileMenuIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-family-emoji), var(--font-family-base);
    font-weight: var(--font-weight-medium);
    font-size: 1rem;
    border-radius: var(--radius-lg);
    transition: background var(--duration-fast) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
    min-height: 48px;
}

@media (min-width: 480px) {
    .mobile-nav-item {
        padding: 16px 18px;
        font-size: 1.05rem;
    }
}

.mobile-nav-item:active {
    background: rgba(255, 255, 255, 0.08);
}

.mobile-user-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-6) var(--space-4);
    margin-top: var(--space-2);
    border-top: 0.5px solid var(--border-default);
    color: var(--text-secondary);
    font-family: var(--font-family-base);
    font-size: 1rem;
}

.mobile-user-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* ========================================
   Main Content - Responsive
   ======================================== */
.app-main {
    padding: 0;
}

/* ========================================
   Form Controls - Responsive
   ======================================== */
.form-group {
    margin-bottom: var(--space-4);
}

.form-group:last-child {
    margin-bottom: 0;
}

/* Reduced motion: inherited from app.css (section 17) */