/* ==========================================
   DROPDOWN CSS VARIABLES
   All dropdown styling controlled here
   ========================================== */
:root {
    /* Dropdown Selected (Button) Colors */
    --dropdown-selected-bg-start: #f0f8ff;
    --dropdown-selected-bg-end: #e6f3ff;
    --dropdown-selected-border: #007acc;
    --dropdown-selected-text: #005999;
    --dropdown-selected-shadow: rgba(0, 122, 204, 0.15);

    /* Dropdown Selected Hover */
    --dropdown-selected-hover-bg-start: #e6f3ff;
    --dropdown-selected-hover-bg-end: #d9edff;
    --dropdown-selected-hover-shadow: rgba(0, 122, 204, 0.25);

    /* Dropdown Selected Active/Open */
    --dropdown-selected-active-bg-start: #007acc;
    --dropdown-selected-active-bg-end: #005999;
    --dropdown-selected-active-shadow: rgba(0, 122, 204, 0.35);

    /* Dropdown List/Container */
    --dropdown-list-bg: #ffffff;
    --dropdown-list-border: #007acc;
    --dropdown-list-shadow: 0 8px 32px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.1);

    /* Dropdown Items */
    --dropdown-item-bg: #f0f8ff;
    --dropdown-item-text: #333333;
    --dropdown-item-border: #d9edff;
    --dropdown-item-hover-bg: #e0f0ff;
    --dropdown-item-hover-text: #007acc;

    /* Filter Input */
    --dropdown-filter-bg: #ffffff;
    --dropdown-filter-border: #007acc;
    --dropdown-filter-focus-shadow: rgba(0, 122, 204, 0.25);
    --dropdown-filter-text: #333333;

    /* Spacing & Sizing */
    --dropdown-selected-padding: 6px 8px;
    --dropdown-selected-border-width: 2px;
    --dropdown-selected-border-radius: 6px;
    --dropdown-item-padding: 14px 16px;
    --dropdown-item-min-height: 48px;
    --dropdown-filter-padding: 12px 14px;
    --dropdown-filter-margin: 8px;
}

/* ==========================================
   DROPDOWN BODY SCROLL PREVENTION
   ========================================== */
/* Prevent body scrolling when dropdowns are open */
body.dropdown-open {
    overflow: hidden !important;
}

/* ==========================================
   DROPDOWN SCROLLBAR STYLING
   ========================================== */
/* Hide scrollbars in dropdown items while still allowing scroll */
.dropdown-items,
.dropdown-grids {
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE and Edge */
}

.dropdown-items::-webkit-scrollbar,
.dropdown-grids::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari, Opera */
}

/* ==========================================
   DROPDOWN CONTAINER
   ========================================== */
/* Dropdown Container */
.custom-dropdown {
    position: relative;
}

/* ==========================================
   DROPDOWN SELECTED (BUTTON)
   ========================================== */
/* Selected Display - Modern iPhone-like styling */
.dropdown-selected {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: var(--dropdown-selected-padding);
    background: linear-gradient(135deg, var(--dropdown-selected-bg-start), var(--dropdown-selected-bg-end));
    border: var(--dropdown-selected-border-width) solid var(--dropdown-selected-border);
    border-radius: var(--dropdown-selected-border-radius);
    color: var(--dropdown-selected-text);
    font-size: var(--font-size-xl);
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 2px 8px var(--dropdown-selected-shadow);
    text-align: left;
    overflow: hidden;
    white-space: nowrap;
    outline: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    /* Disable all default tap/focus visual effects */
    -webkit-user-select: none;
    user-select: none;
}

/* Explicitly prevent any highlight state on closed dropdown */
.custom-dropdown:not(.dropdown-open) .dropdown-selected {
    -webkit-tap-highlight-color: transparent !important;
}

.custom-dropdown:not(.dropdown-open) .dropdown-selected:active {
    -webkit-tap-highlight-color: transparent !important;
    background: linear-gradient(135deg, var(--dropdown-selected-bg-start), var(--dropdown-selected-bg-end)) !important;
}

/* Active/open state */
.custom-dropdown.dropdown-open .dropdown-selected {
    background: linear-gradient(135deg, var(--dropdown-selected-active-bg-start), var(--dropdown-selected-active-bg-end));
    color: white;
    box-shadow: 0 4px 16px var(--dropdown-selected-active-shadow);
}

/* When open, lift above siblings so dropdown content appears on top */
.custom-dropdown.dropdown-open {
    position: relative;
    z-index: var(--z-index-dropdown-open);
}

/* Hide dropdowns with .hide-overlap class when ANY other dropdown (without .hide-overlap) is open */
/* This prevents Assign buttons from showing when Partner Option dropdown is open */
#signups:has(.custom-dropdown.dropdown-open:not(.hide-overlap)) .custom-dropdown.hide-overlap:not(.dropdown-open) {
    visibility: hidden;
}

/* Dropdown Caret */
.dropdown-selected::after {
    content: "▾";
    font-size: 2em;
    color: var(--dropdown-selected-border);
    font-weight: bold;
    margin-left: auto;
    pointer-events: none;
    line-height: 0.5;
    display: flex;
    align-items: center;
}

.custom-dropdown.dropdown-open .dropdown-selected::after {
    color: white;
}

/* Empty State Caret */
.dropdown-selected:empty::after,
.dropdown-selected:not(:empty):has(div[data-value=""])::after {
    margin-left: 0;
    justify-self: flex-end;
}

/* ==========================================
   FILTER INPUT
   ========================================== */
/* Inline filter input that replaces dropdown-selected content */
.dropdown-filter-inline {
    display: block !important;
    /* Override parent's flex display */
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    padding: inherit !important;
    /* Inherit padding from parent so input fills entire clickable area */
    font-size: var(--font-size-xxl) !important;
    font-weight: 500 !important;
    border: none !important;
    background: transparent !important;
    color: var(--dropdown-selected-text) !important;
    box-sizing: border-box !important;
    outline: none !important;
    text-align: left !important;
    /* Align text to left for cursor visibility */
    /* Mobile-specific improvements */
    touch-action: manipulation !important;
    -webkit-user-select: text !important;
    user-select: text !important;
    -webkit-tap-highlight-color: transparent !important;
    cursor: text !important;
    caret-color: var(--dropdown-selected-text) !important;
    /* Ensure cursor is visible */
}

.dropdown-filter-inline::placeholder {
    color: var(--dropdown-selected-text);
    opacity: 0.7;
    font-style: normal;
    text-align: left;
    /* Ensure placeholder aligns left */
}

/* When dropdown-selected has filter input, adjust layout */
.dropdown-selected:has(.dropdown-filter-inline) {
    cursor: text !important;
    pointer-events: auto !important;
    display: block !important;
    /* Change from flex to block to prevent centering */
    padding: 0 !important;
    /* Remove padding so input can handle it */
}

.dropdown-selected:has(.dropdown-filter-inline)::after {
    display: none !important;
    /* Hide caret when filter is active */
}

/* Legacy filter input styling (if still in dropdown-items) */
.dropdown-items .dropdown-filter {
    width: calc(100% - calc(var(--dropdown-filter-margin) * 2)) !important;
    margin: var(--dropdown-filter-margin) !important;
    padding: var(--dropdown-filter-padding) !important;
    font-size: var(--font-size-ml) !important;
    border-radius: 8px !important;
    border: 2px solid var(--dropdown-filter-border) !important;
    background: var(--dropdown-filter-bg) !important;
    color: var(--dropdown-filter-text) !important;
    box-sizing: border-box !important;
    outline: none !important;
}

.dropdown-items .dropdown-filter:focus {
    border-color: var(--dropdown-selected-active-bg-start) !important;
    box-shadow: 0 0 0 3px var(--dropdown-filter-focus-shadow) !important;
}

.dropdown-items .dropdown-filter::placeholder {
    color: #999999;
    font-style: italic;
}

/* ==========================================
   DROPDOWN LISTS (ITEMS CONTAINER)
   ========================================== */
/* Dropdown Lists - use fixed positioning to ensure they're always on top */
.dropdown-items,
.dropdown-grids {
    position: absolute;
    display: none;
    width: 75%;
    max-width: min(100vw, var(--app-max-width));
    max-height: 60vh;
    background-color: var(--dropdown-list-bg);
    border: var(--dropdown-selected-border-width) solid var(--dropdown-list-border);
    border-radius: calc(var(--dropdown-selected-border-radius) + 2px);
    box-shadow: var(--dropdown-list-shadow);
    -webkit-overflow-scrolling: touch;
    touch-action: auto;
    z-index: var(--z-index-dropdown);
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: transform, opacity;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    animation: dropdownAppear 0.2s ease-out;
}

/* ==========================================
   DROPDOWN ITEMS (INDIVIDUAL OPTIONS)
   ========================================== */
/* Empty state message */
.dropdown-empty-message {
    padding: var(--dropdown-item-padding);
    text-align: center;
    color: #999999;
    font-style: italic;
    font-size: var(--font-size-ml);
    min-height: var(--dropdown-item-min-height);
    min-width: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--dropdown-item-bg);
    border-radius: calc(var(--dropdown-selected-border-radius) + 1px);
    white-space: nowrap;
}

/* Dropdown Items */
.dropdown-item {
    font-size: var(--font-size-dropdown-item);
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    min-height: var(--dropdown-item-min-height);
    box-sizing: border-box;
    position: relative;
    display: flex;
    align-items: center;
    padding-left: 10px;
}

.dropdown-item.selected {

    /* .dropdown-item:hover {
    background-color: var(--dropdown-item-hover-bg);
    color: var(--dropdown-item-hover-text);
    font-weight: 600;
    padding-left: calc(var(--dropdown-item-padding) + 4px);
} */

    .dropdown-item:first-child {
        border-top-left-radius: calc(var(--dropdown-selected-border-radius) + 1px);
        border-top-right-radius: calc(var(--dropdown-selected-border-radius) + 1px);
    }

    .dropdown-item:last-child {
        border-bottom: none;
        border-bottom-left-radius: calc(var(--dropdown-selected-border-radius) + 1px);
        border-bottom-right-radius: calc(var(--dropdown-selected-border-radius) + 1px);
    }

    /* Selected item indicator - just bold font, no checkmark */
    .dropdown-item[selected] {
        background-color: var(--dropdown-item-hover-bg);
        font-weight: 600;
    }

    /* ==========================================
   DROPDOWN BACKDROP
   ========================================== */
    .dropdown-backdrop {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.15);
        z-index: calc(var(--z-index-dropdown) - 1);
        opacity: 0;
        animation: backdropFadeIn 0.2s ease-out forwards;
        pointer-events: none;
    }

    /* Exclude active dropdown from backdrop */
    /* No special styling needed for .dropdown-open - position:fixed on dropdown items means they're not confined by parent stacking context */

    font-size: var(--dropdown-font-size);
    cursor: pointer;
    user-select: none;
    position: relative;
    /* transition: all 0.2s ease-in-out; */
    z-index: auto;
    /* Let the parent .custom-dropdown.dropdown-open control the z-index */
}

/* ==========================================
   DROPDOWN ANIMATIONS
   ========================================== */
/* Backdrop animation */
@keyframes backdropFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Dropdown appearance animation */
@keyframes dropdownAppear {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ==========================================
   DROPDOWN GRIDS
   ========================================== */
/* Bottom-positioned Dropdown */
.dropdown-items[style*="bottom"] {
    border-radius: var(--border-radius);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
}

/* Grid Layout */
.dropdown-grid {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(35px, 1fr);
    grid-auto-rows: 35px;
    padding: calc(var(--spacing-small) + 2px);
    background-color: var(--dropdown-list-bg);
    border: 2px solid var(--dropdown-list-border);
    border-radius: calc(var(--border-radius) + 1px);
    gap: 6px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* Grid items enhancement */
.dropdown-grid>* {
    border-radius: var(--border-radius);
}

/* Grid Elements */
.dropdown-grid>* {
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
}

/* Grid Labels */
.dropdown-grid-label {
    text-align: center;
    color: var(--primary-color);
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
}

/* Grid Cells */
.dropdown-grid-cell {
    box-sizing: border-box;
    background-color: var(--dropdown-item-bg);
    color: var(--dropdown-item-text);
    text-align: center;
    border: none;
}

.dropdown-grid-cell:hover {
    background-color: var(--dropdown-item-hover-bg);
    color: var(--dropdown-item-hover-text);
}

/* Empty Grid Cells */
.empty-grid-cell {
    visibility: hidden;
}

/* ==========================================
   iOS SAFARI SPECIFIC FIXES
   ========================================== */
@supports (-webkit-touch-callout: none) {
    .dropdown-items {
        /* Force GPU acceleration */
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
        /* Force compositing layer */
        will-change: transform, opacity;
        /* Prevent rendering issues */
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    .dropdown-items.force-visible {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
}

/* ==========================================
   DROPDOWN POSITIONING WRAPPER
   New architecture for reliable positioning
   ========================================== */
.dropdown-positioning-wrapper {
    position: absolute;
    pointer-events: none;
    z-index: calc(var(--z-index-dropdown) - 1);
}

.dropdown-positioning-wrapper .dropdown-items,
.dropdown-positioning-wrapper .dropdown-grids {
    position: absolute;
    /* Use absolute positioning so dropdowns scroll with parent */
    pointer-events: auto;
    z-index: var(--z-index-dropdown);
}