/* ==========================================================================
   Hamburger Menu Styles for DaanMatch FieldWorker
   ============================================================================
   Provides collapsible navigation with animated collapse effect on form submit.
   ========================================================================== */

/* Import CSS variables */
@import url('variables.css');

/* =========================================================================
   HAMBURGER BUTTON
   ========================================================================= */

.hamburger-btn {
    display: none;  /* Hidden by default on desktop */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    margin-right: 10px;
    background: transparent;
    border: 2px solid var(--color-primary, #fc3);
    border-radius: var(--radius-md, 6px);
    cursor: pointer;
    z-index: 1001;
    transition: all var(--transition-normal, 0.2s ease);
}

.hamburger-btn:hover {
    background: rgba(255, 204, 51, 0.1);
}

.hamburger-btn:focus {
    outline: 2px solid var(--color-primary, #fc3);
    outline-offset: 2px;
}

/* Hamburger Lines */
.hamburger-line {
    display: block;
    width: 22px;
    height: 3px;
    background-color: var(--color-primary, #fc3);
    border-radius: 2px;
    transition: all var(--transition-normal, 0.2s ease);
    transform-origin: center;
}

/* Hamburger Active State (X shape) */
.hamburger-btn.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger-btn.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* =========================================================================
   MENU CONTAINER
   ========================================================================= */

.hamburger-menu-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
}

/* Mobile View Styles */
.hamburger-menu-container.mobile-view {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg-dark, #1a1a2a);
    border-bottom: 2px solid var(--color-primary, #fc3);
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow, 0.3s ease);
    z-index: 1000;
    box-shadow: var(--shadow-lg, 0 8px 16px rgba(0, 0, 0, 0.3));
}

.hamburger-menu-container.mobile-view[data-state="expanded"] {
    max-height: calc(100vh - 60px);
    overflow-y: auto;
}

/* =========================================================================
   MENU ITEMS
   ========================================================================= */

.hamburger-menu-item {
    opacity: 1;
    transform: translateX(0);
    transition: opacity var(--transition-normal, 0.2s ease),
                transform var(--transition-normal, 0.2s ease);
}

/* Mobile View Item Styles */
.hamburger-menu-container.mobile-view .hamburger-menu-item {
    opacity: 0;
    transform: translateX(-20px);
    border-bottom: 1px solid var(--color-border, #3a3a4a);
}

.hamburger-menu-container.mobile-view .hamburger-menu-item.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Collapsing Animation - Item slides towards hamburger */
.hamburger-menu-container.mobile-view .hamburger-menu-item.collapsing {
    opacity: 0;
    transform: translateX(-100%) scale(0.5);
    transition: opacity 0.3s ease,
                transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Mobile Menu Item Links */
.hamburger-menu-container.mobile-view .hamburger-menu-item a {
    display: block;
    padding: 15px 20px;
    font-size: var(--font-size-md, 1.1em);
    color: var(--color-primary, #fc3);
    text-decoration: none;
    transition: background-color var(--transition-fast, 0.15s ease);
}

.hamburger-menu-container.mobile-view .hamburger-menu-item a:hover,
.hamburger-menu-container.mobile-view .hamburger-menu-item a:focus {
    background-color: var(--color-bg-medium, #2a2a3a);
}

/* PWA Submenu in Mobile View */
.hamburger-menu-container.mobile-view .pwa-menu {
    position: relative;
}

.hamburger-menu-container.mobile-view .pwa-submenu {
    position: static;
    display: none;
    background: var(--color-bg-medium, #2a2a3a);
    border: none;
    box-shadow: none;
    padding: 0;
    margin: 0;
}

.hamburger-menu-container.mobile-view .pwa-menu.active .pwa-submenu,
.hamburger-menu-container.mobile-view .pwa-menu:hover .pwa-submenu {
    display: block;
}

.hamburger-menu-container.mobile-view .pwa-submenu a {
    padding-left: 40px;
    font-size: var(--font-size-base, 1em);
    color: var(--color-text-muted, #888);
}

.hamburger-menu-container.mobile-view .pwa-submenu a:hover {
    color: var(--color-primary, #fc3);
}

/* =========================================================================
   POST-SUBMIT ANIMATION ENHANCEMENT
   ========================================================================= */

/* Flash effect when menu expands after submit */
@keyframes menuFlash {
    0% {
        background-color: var(--color-bg-dark, #1a1a2a);
    }
    50% {
        background-color: var(--color-bg-medium, #2a2a3a);
    }
    100% {
        background-color: var(--color-bg-dark, #1a1a2a);
    }
}

.hamburger-menu-container.mobile-view.form-submitted {
    animation: menuFlash 0.5s ease-in-out;
}

/* Item highlight during collapse */
@keyframes itemCollapse {
    0% {
        opacity: 1;
        transform: translateX(0) scale(1);
        background-color: transparent;
    }
    30% {
        opacity: 1;
        transform: translateX(0) scale(0.95);
        background-color: rgba(255, 204, 51, 0.1);
    }
    100% {
        opacity: 0;
        transform: translateX(-100%) scale(0.5);
        background-color: transparent;
    }
}

.hamburger-menu-item.collapsing {
    animation: itemCollapse 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* =========================================================================
   RESPONSIVE STYLES
   ========================================================================= */

/* Mobile - Show hamburger */
@media (max-width: 768px) {
    .hamburger-btn {
        display: flex;
    }

    /* Hide desktop nav layout */
    .newui-nav > ul {
        flex-wrap: nowrap;
        justify-content: flex-start;
    }

    .newui-nav > ul > .logo {
        margin-right: auto;
    }

    .newui-nav > ul > .user-greeting {
        display: none;  /* Hide on mobile to save space */
    }
}

/* Tablet landscape - smaller hamburger */
@media (min-width: 481px) and (max-width: 768px) {
    .hamburger-menu-container.mobile-view {
        top: 60px;
    }
}

/* Small mobile - compact hamburger */
@media (max-width: 480px) {
    .hamburger-btn {
        width: 40px;
        height: 40px;
        padding: 8px;
    }

    .hamburger-line {
        width: 18px;
        height: 2px;
    }

    .hamburger-btn.active .hamburger-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .hamburger-btn.active .hamburger-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hamburger-menu-container.mobile-view .hamburger-menu-item a {
        padding: 12px 15px;
        font-size: var(--font-size-base, 1em);
    }
}

/* =========================================================================
   ACCESSIBILITY
   ========================================================================= */

/* Focus visible for keyboard users */
.hamburger-btn:focus-visible {
    outline: 3px solid var(--color-primary, #fc3);
    outline-offset: 3px;
}

.hamburger-menu-item a:focus-visible {
    outline: 2px solid var(--color-primary, #fc3);
    outline-offset: -2px;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .hamburger-btn,
    .hamburger-line,
    .hamburger-menu-container,
    .hamburger-menu-item {
        transition: none;
    }

    .hamburger-menu-item.collapsing {
        animation: none;
        opacity: 0;
        transform: translateX(-20px);
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .hamburger-btn {
        border-width: 3px;
    }

    .hamburger-line {
        height: 4px;
    }

    .hamburger-menu-container.mobile-view {
        border-width: 3px;
    }
}