@use 'sass:color';
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

// Dash color palette - updated to use Dash's blue colors
$primary-color: #487af0; // Dash blue
$primary-light: #e6f0fc;
$secondary-color: #f7f7f9;
$accent-color: #b5d9f3; // Light blue accent
$bg-color: #ffffff;
$text-color: #111827;
$light-text-color: #6b7280;
$border-color: #e5e7eb;
$shadow-color: rgba(0, 0, 0, 0.06);
$transition: all 0.2s ease-in-out;

// Font size variables
$font-size-small: 13px;
$font-size-normal: 14px;
$font-size-large: 16px;
$font-size-xlarge: 18px;

.chat-box {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    background-color: $bg-color;
    font-family: 'Inter', sans-serif;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px $shadow-color;
    position: relative;
    transition:
        box-shadow 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    &:hover {
        box-shadow: 0 8px 30px rgba($primary-color, 0.1);
    }

    .chat-header {
        background: $primary-color;
        color: white;
        padding: 14px 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        z-index: 10;
        position: relative;

        h2 {
            margin: 0px;
            font-size: 1.25rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            flex: 1;
            text-align: center;
        }

        .header-controls {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .canvas-mode-toggle,
        .font-size-control {
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: rgba(255, 255, 255, 0.15);
            color: white;
            border-radius: 6px;
            padding: 6px;
            cursor: pointer;
            transition: background-color 0.2s ease;

            &:hover {
                background-color: rgba(255, 255, 255, 0.25);
            }

            svg {
                width: 20px;
                height: 20px;
            }
        }

        .canvas-mode-toggle {
            position: relative;
            
            // Visual indicator for active state
            &::after {
                content: '';
                position: absolute;
                bottom: -2px;
                left: 50%;
                transform: translateX(-50%);
                width: 4px;
                height: 4px;
                border-radius: 50%;
                background-color: rgba(255, 255, 255, 0.7);
                opacity: 0;
                transition: opacity 0.2s ease;
            }

            // Show indicator when canvas mode is active
            &.canvas-active::after {
                opacity: 1;
            }


        }

        .font-size-modal {
            position: absolute;
            top: 100%;
            right: 10px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            padding: 12px;
            width: 180px;
            z-index: 100;
            transform-origin: top right;
            animation: scaleIn 0.2s forwards;

            .font-size-option {
                display: flex;
                align-items: center;
                padding: 8px 12px;
                border-radius: 6px;
                cursor: pointer;
                transition: background-color 0.2s ease;
                color: $text-color;
                margin-bottom: 4px;

                &:last-child {
                    margin-bottom: 0px;
                }

                &:hover {
                    background-color: $primary-light;
                }

                &.active {
                    background-color: $primary-light;
                    color: $primary-color;
                    font-weight: 500;
                }

                .option-label {
                    flex: 1;
                }

                .size-preview {
                    font-size: 10px;
                    opacity: 0.7;

                    &.small {
                        font-size: 11px;
                    }
                    &.normal {
                        font-size: 14px;
                    }
                    &.large {
                        font-size: 16px;
                    }
                    &.xlarge {
                        font-size: 18px;
                    }
                }
            }
        }
    }

    .chat-messages {
        flex-grow: 1;
        overflow-y: auto;
        padding: 20px;
        display: flex;
        flex-direction: column;
        gap: 16px;
        background-color: #f9fafb;
        background-image: radial-gradient(#e5e7eb 1px, transparent 1px), radial-gradient(#e5e7eb 1px, transparent 1px);
        background-size: 40px 40px;
        background-position:
            0 0,
            20px 20px;
        background-attachment: local;
        scroll-behavior: smooth;

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

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

        &::-webkit-scrollbar-thumb {
            background-color: rgba($primary-color, 0.2);
            border-radius: 10px;

            &:hover {
                background-color: rgba($primary-color, 0.3);
            }
        }
    }

    .chat-input {
        display: flex;
        padding: 16px 20px;
        border-top: 1px solid $border-color;
        background-color: white;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
        position: relative;
        align-items: center;
        z-index: 5;
        transition: padding 0.2s ease;

        &::before {
            content: '';
            position: absolute;
            top: -5px;
            left: 0px;
            right: 0px;
            height: 5px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.06), transparent);
            pointer-events: none;
        }

        .input-container {
            position: relative;
            flex-grow: 1;
            display: flex;
            align-items: center;
            border-radius: 24px;
            background-color: #f9fafb;
            border: 1px solid $border-color;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
            transition: all 0.25s ease;
            overflow: hidden;

            &:focus-within {
                border-color: $primary-color;
                box-shadow: 0 0 0 3px rgba($primary-color, 0.15);
                background-color: white;
                transform: translateY(-1px);
            }

            input {
                flex-grow: 1;
                padding: 14px 18px;
                border: none;
                background: transparent;
                font-size: 14px;
                transition: all 0.25s ease;
                width: 100%;

                &:focus {
                    outline: none;
                }

                &:disabled {
                    background-color: #f3f4f6;
                    cursor: not-allowed;
                }

                &::placeholder {
                    color: #9ca3af;
                }
            }
        }

        .submit-button {
            background: $primary-color;
            color: white;
            border: none;
            border-radius: 50%;
            width: 48px;
            height: 48px;
            min-width: 48px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
            box-shadow: 0 2px 8px rgba($primary-color, 0.3);
            position: relative;
            overflow: hidden;

            &:hover {
                background-color: #3b6cd7; /* Slightly darker blue */
                box-shadow: 0 3px 10px rgba($primary-color, 0.4);
            }

            &:active {
                background-color: #3463cc; /* Even darker for active state */
                box-shadow: 0 2px 6px rgba($primary-color, 0.3);
            }

            &:disabled {
                background: #9ca3af;
                box-shadow: none;
                cursor: not-allowed;
            }

            svg {
                width: 20px;
                height: 20px;
            }

            .spinner {
                width: 20px;
                height: 20px;
                border: 3px solid rgba(255, 255, 255, 0.3);
                border-top: 3px solid #fff;
                border-radius: 50%;
                animation: spin 0.8s cubic-bezier(0.34, 0.61, 0.71, 0.97) infinite;
            }
        }
    }

    .citation-popup {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 90%;
        max-width: 500px;
        max-height: 300px;
        border-radius: 8px;
        background-color: white;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
        z-index: 1000;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        animation: popup-fade-in 0.3s ease-out;
    }

    .citation-popup-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 12px 15px;
        background-color: #f5f5f5;
        border-bottom: 1px solid #ddd;
    }

    .citation-content {
        padding: 15px;
        overflow-y: auto;
        max-height: 240px;
    }

    .citation-close-button {
        background: none;
        border: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        color: #666;
        transition: background-color 0.2s;

        &:hover {
            background-color: #ddd;
        }

        svg {
            width: 20px;
            height: 20px;
            stroke-width: 2.5;
        }
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
}

// Font size modifiers
.font-size-small {
    .message-content,
    .chat-input input,
    .follow-up-button,
    .follow-up-questions h4,
    .processing-info,
    .processing-info .dropdown-item,
    .toggle-info {
        font-size: $font-size-small !important;
    }
}

.font-size-normal {
    .message-content,
    .chat-input input,
    .follow-up-button,
    .follow-up-questions h4,
    .processing-info,
    .processing-info .dropdown-item,
    .toggle-info {
        font-size: $font-size-normal !important;
    }
}

.font-size-large {
    .message-content,
    .chat-input input,
    .follow-up-button,
    .follow-up-questions h4,
    .processing-info,
    .processing-info .dropdown-item,
    .toggle-info {
        font-size: $font-size-large !important;
    }
}

.font-size-xlarge {
    .message-content,
    .chat-input input,
    .follow-up-button,
    .follow-up-questions h4,
    .processing-info,
    .processing-info .dropdown-item,
    .toggle-info {
        font-size: $font-size-xlarge !important;
    }
}

.message {
    max-width: 80%;
    padding: 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.6;
    box-shadow: 0 2px 8px $shadow-color;
    word-wrap: break-word;
    display: flex;
    flex-direction: column;
    position: relative;
    transition:
        transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        box-shadow 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    &:hover {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    &.user {
        align-self: flex-end;
        background: $primary-color;
        color: white;
        border-bottom-right-radius: 4px;
        transform-origin: bottom right;
        animation: messageInUser 0.3s forwards;

        strong {
            color: rgba(255, 255, 255, 0.9);
        }
    }

    &.assistant {
        align-self: flex-start;
        background-color: white;
        color: $text-color;
        border-bottom-left-radius: 4px;
        border: 1px solid $border-color;
        transform-origin: bottom left;
        animation: messageInAssistant 0.3s forwards;

        .message-content {
            p,
            li,
            a {
                margin: 8px 0;

                &:first-child {
                    margin-top: 0px;
                }

                &:last-child {
                    margin-bottom: 0px;
                }
            }

            pre {
                background-color: #f3f4f6;
                padding: 12px;
                border-radius: 8px;
                overflow-x: auto;
                font-size: 13px;
                border: 1px solid $border-color;
            }

            code {
                background-color: #f3f4f6;
                padding: 2px 5px;
                border-radius: 4px;
                font-size: 13px;
                font-family: monospace;
            }
        }
    }

    @keyframes messageInUser {
        0% {
            opacity: 0;
            transform: translateY(10px) scale(0.95);
        }
        100% {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }

    @keyframes messageInAssistant {
        0% {
            opacity: 0;
            transform: translateY(10px) scale(0.95);
        }
        100% {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }

    .processing-info {
        margin: 0 0 12px 0;
        padding: 12px 16px;
        background-color: #f3f4f6;
        border-radius: 10px;
        font-size: 14px;
        transform-origin: top center;
        animation: fadeInExpand 0.3s forwards;

        .dropdown-item {
            margin-bottom: 8px;
            padding-bottom: 8px;
            border-bottom: 1px dashed #e5e7eb;

            &:last-child {
                margin-bottom: 0px;
                padding-bottom: 0px;
                border-bottom: none;
            }

            strong {
                color: $primary-color;
                font-weight: 600;
            }
        }

        .info-content {
            margin-top: 12px;
            max-height: 200px;
            overflow-y: auto;
            padding-right: 8px;

            &::-webkit-scrollbar {
                width: 4px;
            }

            &::-webkit-scrollbar-thumb {
                background-color: rgba($primary-color, 0.1);
                border-radius: 8px;
            }
        }
    }

    .toggle-info {
        background-color: rgba($primary-color, 0.05);
        color: $primary-color;
        border: 1px solid rgba($primary-color, 0.3);
        border-radius: 8px;
        padding: 8px 12px;
        font-size: 13px;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.2s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;

        &:hover {
            background-color: rgba($primary-color, 0.1);
            border-color: rgba($primary-color, 0.4);
        }

        &:active {
            background-color: rgba($primary-color, 0.15);
        }

        &:focus {
            outline: none;
            box-shadow: 0 0 0 2px rgba($primary-color, 0.2);
        }
    }

    .message-content {
        background-color: inherit;
        padding: 0px;
        border-radius: 8px;
        font-size: 14px;
        line-height: 1.6;
        color: inherit;

        .citation-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background-color: rgba($primary-color, 0.1);
            color: $primary-color;
            font-size: 10px;
            font-weight: 600;
            margin-left: 3px;
            cursor: pointer;
            transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            border: 1px solid rgba($primary-color, 0.2);
            vertical-align: super;

            &:hover {
                background-color: $primary-color;
                color: white;
                transform: scale(1.1);
                box-shadow: 0 2px 6px rgba($primary-color, 0.4);
            }

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

        a {
            color: $primary-color;
            text-decoration: none;
            transition: $transition;
            border-bottom: 1px dashed rgba($primary-color, 0.3);

            &:hover {
                border-bottom: 1px solid $primary-color;
            }
        }
    }
}

.follow-up-questions {
    margin-top: 14px;
    background-color: rgba($primary-color, 0.05);
    padding: 14px;
    border-radius: 10px;
    border: 1px solid rgba($primary-color, 0.1);
    animation: fadeInUp 0.4s forwards;
    transition: box-shadow 0.2s ease;

    &:hover {
        box-shadow: 0 4px 12px rgba($primary-color, 0.08);
    }

    h4 {
        font-size: 13px;
        font-weight: 600;
        margin: 0 0 10px 0;
        color: $primary-color;
        letter-spacing: 0.02em;
    }

    .questions-list {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .follow-up-button {
        background-color: white;
        color: $text-color;
        border: 1px solid rgba($primary-color, 0.2);
        border-radius: 8px;
        padding: 10px 14px;
        font-size: 13px;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.2s ease;
        text-align: left;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
        position: relative;
        overflow: hidden;
        text-transform: none !important; /* Force no text transform */

        &:hover {
            background-color: $primary-light;
            border-color: rgba($primary-color, 0.3);
            box-shadow: 0 2px 4px rgba($primary-color, 0.1);
        }

        &:active {
            background-color: color.adjust($primary-light, $lightness: -3%);
        }
    }
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInExpand {
    0% {
        opacity: 0;
        transform: scaleY(0.9);
    }
    100% {
        opacity: 1;
        transform: scaleY(1);
    }
}

.uploading-overlay {
    position: absolute;
    top: 0px;
    left: 0px;
    right: 0px;
    bottom: 0px;
    background-color: rgba(255, 255, 255, 0.92);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;

    .progress-container {
        width: 80%;
        max-width: 400px;
        background-color: white;
        padding: 24px;
        border-radius: 12px;
        box-shadow: 0 10px 40px rgba($primary-color, 0.2);
        animation: scaleIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);

        .progress-bar-wrapper {
            height: 8px;
            background-color: #f3f4f6;
            border-radius: 4px;
            margin-bottom: 16px;
            overflow: hidden;

            .progress-bar {
                height: 100%;
                background: linear-gradient(90deg, $primary-color, $accent-color);
                border-radius: 4px;
                transition: width 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            }
        }

        .progress-details {
            display: flex;
            justify-content: space-between;
            align-items: center;

            .progress-percentage {
                font-weight: 600;
                color: $primary-color;
                font-size: 16px;
            }

            .step-name {
                color: $light-text-color;
                font-size: 14px;
            }
        }
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes scaleIn {
    0% {
        transform: scale(0.9);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes popup-slide-up {
    from {
        opacity: 0;
        transform: translate(-50%, 20px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

@keyframes popup-fade-in {
    from {
        opacity: 0;
        transform: translate(-50%, -45%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

@media (max-width: 768px) {
    .chat-box {
        border-radius: 0px;
    }

    .message {
        max-width: 88%;
        padding: 14px;
    }

    .chat-input {
        padding: 12px;
    }
}

// Responsive scaling
@media (max-width: 480px) {
    .chat-box .chat-input input {
        font-size: 13px;
        padding: 12px 14px;
    }

    .message {
        max-width: 95%;
        padding: 12px;
        font-size: 13px;
    }

    .follow-up-questions {
        padding: 12px;
    }
}

// Dark mode support
.dark-mode .chat-box {
    background-color: #1f2937;

    .chat-header {
        background: $primary-color;

        .font-size-control {
            background-color: rgba(255, 255, 255, 0.2);

            &:hover {
                background-color: rgba(255, 255, 255, 0.3);
            }
        }

        .font-size-modal {
            background-color: #1f2937;
            border: 1px solid #374151;

            .font-size-option {
                color: #f9fafb;

                &:hover {
                    background-color: #2d3748;
                }

                &.active {
                    background-color: rgba($primary-color, 0.2);
                }
            }
        }
    }

    .chat-messages {
        background-color: #111827;
        background-image: radial-gradient(#374151 1px, transparent 1px), radial-gradient(#374151 1px, transparent 1px);
    }

    .chat-input {
        background-color: #1f2937;
        border-top-color: #374151;

        .input-container {
            background-color: #374151;
            border-color: #4b5563;

            &:focus-within {
                background-color: #2d3748;
                border-color: $primary-color;
            }

            input {
                color: white;

                &::placeholder {
                    color: #9ca3af;
                }
            }
        }
    }

    .message {
        &.assistant {
            background-color: #1f2937;
            border-color: #374151;
            color: #f9fafb;

            .message-content {
                pre,
                code {
                    background-color: #111827;
                    border-color: #374151;
                }
            }
        }

        .processing-info {
            background-color: #111827;

            .dropdown-item {
                border-color: #374151;
            }
        }
    }

    .follow-up-questions {
        background-color: rgba($primary-color, 0.1);
        border-color: rgba($primary-color, 0.2);

        .follow-up-button {
            background-color: #1f2937;
            color: #f9fafb;
            border-color: #4b5563;

            &:hover {
                background-color: #2d3748;
            }
        }
    }

    .uploading-overlay {
        background-color: rgba(31, 41, 55, 0.9);

        .progress-container {
            background-color: #1f2937;

            .progress-bar-wrapper {
                background-color: #111827;
            }
        }
    }
}

/* Tool Reload Modal Styles */
.tool-reload-modal-overlay {
    position: fixed;
    top: 0px;
    left: 0px;
    right: 0px;
    bottom: 0px;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
}

.tool-reload-modal {
    background: white;
    border-radius: 12px;
    padding: 0px;
    min-width: 400px;
    max-width: 500px;
    box-shadow:
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid #e2e8f0;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.tool-reload-modal-header {
    padding: 24px 24px 16px 24px;
    border-bottom: 1px solid #e2e8f0;

    h3 {
        margin: 0px;
        font-size: 18px;
        font-weight: 600;
        color: #1a202c;
        display: flex;
        align-items: center;

        &::before {
            content: '🛠️';
            margin-right: 8px;
            font-size: 20px;
        }
    }
}

.tool-reload-modal-content {
    padding: 20px 24px;

    p {
        margin: 0 0 12px 0;
        line-height: 1.5;
        color: #4a5568;

        &:last-child {
            margin-bottom: 0px;
        }

        strong {
            color: #2d3748;
            font-weight: 600;
        }
    }
}

.tool-reload-modal-actions {
    padding: 16px 24px 24px 24px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;

    button {
        padding: 10px 20px;
        border-radius: 6px;
        font-weight: 500;
        font-size: 14px;
        cursor: pointer;
        transition: all 0.2s ease;
        border: none;

        &.primary {
            background: #3182ce;
            color: white;

            &:hover {
                background: #2c5aa0;
                transform: translateY(-1px);
            }

            &:active {
                transform: translateY(0);
            }
        }

        &.secondary {
            background: #f7fafc;
            color: #4a5568;
            border: 1px solid #e2e8f0;

            &:hover {
                background: #edf2f7;
                border-color: #cbd5e0;
            }
        }
    }
}