web/frontend/src/pages/chat/css/_chat-input.scss

@use "../../../css/colors" as *;
@use "../../../css/material" as *;
@use "sass:color";

.chat-input-wrapper {
    position: relative;
    margin: 0 10px 10px 10px;
    position: sticky;
    bottom: 10px;
    z-index: 1;

    .input-group {
        display: flex;
        background: rgba($color-dark-surface-container, 0.7);
        border-radius: 30px;
        flex-direction: column;
        border: 1px solid rgba($color-dark-outline-variant, 0.4);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(20px);

        .contextual-preview {
            padding: 12px 16px 0 16px;
            display: flex;
            align-items: flex-start;
            gap: 16px;

            mdui-icon {
                align-self: center;
                box-sizing: content-box;
            }

            .reply-cancel {
                margin-left: auto;
            }
        }

        .attachments-preview {
            align-items: center;

            .attachments-chips {
                display: flex;
                flex-wrap: wrap;
                gap: 8px;
            }
        }

        .chat-input {
            flex: 1;
            display: flex;
            flex-direction: row;
            align-items: center;

            .buttons, .left-buttons {
                display: flex;
                flex-direction: row;
                align-items: center;
            }

            .left-buttons {
                .emoji-btn {
                    margin: 10px;
                    color: $color-dark-on-surface-variant;
                    transition: color 0.2s ease;
                    flex-shrink: 0;
                    align-self: flex-end;

                    &:hover {
                        color: $color-dark-primary;
                    }
                }
            }

            .message-input {
                flex: 1;
                padding: 20px 0;
                border: none;
                border-radius: 25px;
                font-size: 1rem;
                outline: none;
                caret-color: $color-dark-primary;
                color: $color-dark-on-surface;
                background: transparent;
                resize: none;
                font: inherit;
                font-size: 13pt;
                height: 100%;
                width: 100%;

                &::placeholder {
                    color: $color-dark-on-surface-variant;
                    opacity: 0.7;
                }
            }

            .buttons {
                .send-btn {
                    margin: 10px;
                    width: 50px;
                    height: 50px;
                    border-radius: 50%;
                    background: linear-gradient(135deg, color.adjust($color-dark-primary, $lightness: 8%), color.adjust($color-dark-primary-container, $lightness: 5%));
                    color: $color-dark-on-primary;
                    border: 1px solid rgba($color-dark-primary, 0.5);
                    cursor: pointer;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    transition: all 0.25s ease;
                    align-self: flex-end;
                    box-shadow: 0 0 20px rgba($color-dark-primary, 0.4);

                    &:hover {
                        transform: translateY(-2px);
                        box-shadow: 0 0 30px rgba($color-dark-primary, 0.6);
                    }
                }
            }
        }
    }
}

// Typing indicator styles

// Emoji Menu Styles
.emoji-menu {
    $transition: cubic-bezier(0.4, 0, 0.2, 1);

    background: $color-dark-surface-container;
    border: 1px solid rgba($color-dark-outline-variant, 0.4);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    width: 320px;
    height: 400px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform-origin: bottom left;
    opacity: 0;
    transform: translateY(30px);
    transition: transform 0.25s $transition, opacity 0.25s $transition;
    user-select: none;

    &.open {
        opacity: 1;
        transform: translateY(0);
    }

    .emoji-menu-header {
        position: sticky;
        top: 0;
        z-index: 1;

        .emoji-category-tabs {
            $scrollbar-height: 2px;

            display: flex;
            gap: 4px;
            overflow-x: auto;
            overflow-y: hidden;
            scroll-behavior: smooth;
            padding: 8px;
            padding-bottom: 8px - $scrollbar-height;

            &::-webkit-scrollbar {
                height: $scrollbar-height; // slightly taller to accommodate inner padding
            }

            &::-webkit-scrollbar-track {
                background: transparent;
                margin: 0 6px; // add space at both ends (left/right)
            }

            &::-webkit-scrollbar-thumb {
                background-color: $color-dark-surface-container-high;
                border-radius: 2px;
                border: 0 solid transparent; // remove vertical padding
                border-left: 2px solid transparent; // keep horizontal padding (left/right)
                border-right: 2px solid transparent;
                background-clip: padding-box; // keep color inside the border
            }

            .emoji-category-tab {
                background-color: transparent;
                border: none;
                border-radius: 10px;
                padding: 16px;
                cursor: pointer;
                transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
                font-size: 16px;
                display: flex;
                align-items: center;
                justify-content: center;
                position: relative;
                overflow: hidden;
                aspect-ratio: 1 / 1;
                transform: scale(1);

                &:hover {
                    background-color: $color-dark-surface-container-high;
                }

                &:active {
                    transform: scale(0.8);
                }

                &.active {
                    background-color: $color-dark-primary-container;
                }

                span {
                    position: relative;
                    z-index: 1;
                    display: flex;
                }
            }
        }
    }

    .emoji-grid {
        display: flex;
        flex-direction: column;
        flex: 1;
        overflow-y: auto;
        scroll-behavior: smooth;

        &::-webkit-scrollbar {
            width: 6px;
        }

        &::-webkit-scrollbar-track {
            background: transparent;
        }

        &::-webkit-scrollbar-thumb {
            background-color: $color-dark-surface-container-high;
            border-radius: 3px;
        }

        .emoji-category-section {
            .emoji-category-title {
                position: sticky;
                top: 5px;
                padding: 5px 12px;
                font-size: 0.85rem;
                font-weight: 600;
                color: $color-dark-on-surface-variant;
                z-index: 2;
                margin: 0;
                backdrop-filter: blur(10px);
                border-radius: 10px;
                margin: 5px;
                background-color: rgba($color-dark-surface-container-high, 0.7);
            }

            .emoji-category-grid {
                display: flex;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 2px;
                padding: 8px;
            }
        }

        .emoji-item {
            $size: 30px;

            background: transparent;
            border: none;
            border-radius: 6px;
            padding: 5px;
            cursor: pointer;
            transition: all 0.15s ease;
            font-size: $size;
            width: $size;
            height: $size;
            box-sizing: content-box;
            display: flex;
            align-items: center;
            justify-content: center;

            &:hover {
                background: $color-dark-surface-container-high;
                transform: scale(1.1);
            }

            &:active {
                transform: scale(0.95);
            }
        }
    }

    .emoji-empty-state {
        padding: 20px;
        text-align: center;
        color: $color-dark-on-surface-variant;
        font-size: 0.9rem;
    }

    // Integrated mode styles (inside reaction bar)
    &.integrated {
        position: relative !important;
        width: 320px !important;
        height: 400px !important;
        transform: none !important;
        opacity: 1 !important;
        box-shadow: none;
        border: none;
        background: $color-dark-surface-container;
        overflow: visible;
    }
}