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

.call-window {
    $transition: cubic-bezier(0.4, 0, 0.2, 1);

    position: fixed;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    user-select: none;
    
    // Base transition for all properties
    transition: all 0.4s $transition;
    
    // Disable all transitions while dragging for immediate feedback
    &.dragging {
        transition: none !important;
    }

    // Maximized mode (fullscreen)
    &.maximized {
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100vw;
        height: 100vh;
        background-color: rgba($color-dark-surface, 0.98);
        backdrop-filter: blur(40px);
        -webkit-backdrop-filter: blur(40px);
        border: none;
        border-radius: 0;
        cursor: default;

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

        &.hidden {
            opacity: 0;
            transform: translateY(-100%); // Slide up when ending in fullscreen
            pointer-events: none;
        }

        .call-content {
            padding: 32px;
            gap: 24px;

            .video-tiles-grid {
                gap: 24px;
                min-height: 400px;
            }

            .screen-share-tile {
                min-height: 60vh;
            }
        }

        .call-header {
            .window-controls {
                .window-control-btn {
                    color: $color-dark-on-surface-variant;

                    &:hover {
                        color: $color-dark-on-surface;
                        background: rgba($color-dark-on-surface, 0.08);
                    }
                }
            }
        }
    }

    // Minimized mode (PiP)
    &.minimized {
        width: 400px;
        height: 300px;
        background-color: rgba($color-dark-surface, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 2px solid rgba($color-dark-outline, 0.4);
        border-radius: 16px;
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
        cursor: grab;

        &.visible {
            opacity: 1;
            transform: scale(1);
        }

        &.hidden {
            opacity: 0 !important;
            transform: scale(0.7) !important; // Scale down and fade when ending in PiP
            pointer-events: none;
            transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
        }

        &.dragging {
            cursor: grabbing;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
        }

        .call-header {
            padding: 12px;
            min-height: auto;
            
            .call-header-info {
                .username {
                    font-size: 14px;
                }

                .status {
                    font-size: 12px;
                }
            }

            .window-controls {
                .window-control-btn {
                    color: $color-dark-primary;

                    &:hover {
                        color: color.adjust($color-dark-primary, $lightness: 10%);
                        background: rgba($color-dark-primary, 0.1);
                    }
                }
            }
        }

        .call-content {
            padding: 8px;
            gap: 8px;

            .video-tiles-grid {
                gap: 8px;
                min-height: 120px;
            }

            .video-tile {
                .tile-label {
                    font-size: 10px;
                    padding: 2px 6px;
                }

                .video-placeholder {
                    .placeholder-avatar {
                        width: 40px;
                        height: 40px;
                    }

                    .placeholder-username {
                        font-size: 12px;
                    }
                }
            }

            .screen-share-tile {
                min-height: 150px;
            }
        }

        .call-controls {
            padding: 8px;
            gap: 8px;

            mdui-button-icon {
                --mdui-comp-icon-button-size: 36px;
            }
        }
    }

    // Dynamic gradients based on call state
    &.gradient-calling {
        border-color: rgba(255, 193, 7, 0.5);
        
        &::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, 
                rgba(255, 193, 7, 0.12) 0%, 
                rgba(255, 152, 0, 0.12) 50%, 
                rgba(255, 193, 7, 0.12) 100%);
            border-radius: inherit;
            animation: pulse-gradient 2s ease-in-out infinite;
            pointer-events: none;
        }
    }

    &.gradient-connecting {
        border-color: rgba(33, 150, 243, 0.5);
        
        &::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, 
                rgba(33, 150, 243, 0.12) 0%, 
                rgba(63, 81, 181, 0.12) 50%, 
                rgba(33, 150, 243, 0.12) 100%);
            border-radius: inherit;
            animation: connecting-gradient 1.5s ease-in-out infinite;
            pointer-events: none;
        }
    }

    &.gradient-active {
        border-color: rgba(76, 175, 80, 0.5);
        
        &::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, 
                rgba(76, 175, 80, 0.12) 0%, 
                rgba(56, 142, 60, 0.12) 50%, 
                rgba(76, 175, 80, 0.12) 100%);
            border-radius: inherit;
            animation: active-gradient 3s ease-in-out infinite;
            pointer-events: none;
        }
    }

    &.gradient-default {
        border-color: rgba(158, 158, 158, 0.3);
    }
}

.call-header {
    padding: 20px;
    border-bottom: 1px solid $color-dark-outline-variant;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;

    .window-controls {
        display: flex;
        gap: 8px;
        position: absolute;
        left: 16px;
        top: 50%;
        transform: translateY(-50%);

        .window-control-btn {
            transition: all 0.2s ease;
        }
    }

    .call-header-info {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 6px;
        text-align: center;

        .username {
            margin: 0;
            font-size: 20px;
            font-weight: 600;
            color: $color-dark-on-surface;
        }

        .status {
            margin: 0;
            font-size: 14px;
            color: $color-dark-on-surface-variant;
            font-weight: 500;
        }

        .encryption-emojis {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 8px;

            .encryption-emoji {
                font-size: 24px;
                display: inline-block;
                animation: emoji-pulse 2s ease-in-out infinite;
                
                &:nth-child(1) { animation-delay: 0s; }
                &:nth-child(2) { animation-delay: 0.2s; }
                &:nth-child(3) { animation-delay: 0.4s; }
                &:nth-child(4) { animation-delay: 0.6s; }
            }
        }
    }
}

.call-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    z-index: 1;
    flex: 1;
    overflow-y: auto;

    .video-tiles-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        min-height: 300px;
    }

    .video-tile {
        position: relative;
        background: rgba($color-dark-surface-variant, 0.5);
        border-radius: 16px;
        overflow: hidden;
        aspect-ratio: 4 / 3;
        display: flex;
        align-items: center;
        justify-content: center;
        border: 1px solid rgba($color-dark-outline, 0.3);
        transition: all 0.3s ease;

        &:hover {
            border-color: rgba($color-dark-outline, 0.5);
            transform: scale(1.02);
        }

        .video-element {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .video-placeholder {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 16px;
            width: 100%;
            height: 100%;
            background: rgba($color-dark-surface-variant, 0.6);

            .placeholder-avatar {
                width: 100px;
                height: 100px;
                border-radius: 50%;
                object-fit: cover;
                box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
            }

            .placeholder-username {
                font-size: 18px;
                font-weight: 600;
                color: $color-dark-on-surface;
            }
        }

        .tile-label {
            position: absolute;
            bottom: 12px;
            left: 12px;
            padding: 6px 12px;
            background: rgba(0, 0, 0, 0.75);
            color: white;
            font-size: 13px;
            font-weight: 600;
            border-radius: 8px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        &.local-video {
            .video-element {
                transform: scaleX(-1); // Mirror local video
            }
        }
    }

    .screen-share-tile {
        aspect-ratio: 16 / 9;
        min-height: 480px;
        grid-column: 1 / -1;
        border: 2px solid rgba($color-dark-primary, 0.6);

        .video-element {
            object-fit: contain;
            background: rgba(0, 0, 0, 0.9);
        }

        .tile-label {
            font-size: 14px;
            padding: 8px 16px;
            background: rgba($color-dark-primary, 0.9);
            color: $color-dark-on-primary;
        }
    }
}

.call-controls {
    padding: 20px;
    display: flex;
    justify-content: center;
    gap: 16px;
    border-top: 1px solid $color-dark-outline-variant;
    position: relative;
    z-index: 1;
    flex-shrink: 0;

    mdui-button-icon {
        transition: all 0.2s ease;

        &[icon="call_end"] {
            background: rgba(244, 67, 54, 0.2);
            color: rgb(244, 67, 54);

            &:hover {
                background: rgba(244, 67, 54, 0.35);
                transform: scale(1.1);
            }
        }

        &[icon="videocam"],
        &[icon="videocam_off"],
        &[icon="screen_share"],
        &[icon="stop_screen_share"],
        &[icon="mic"],
        &[icon="mic_off"] {
            &:hover {
                background: rgba($color-dark-primary, 0.15);
                transform: scale(1.1);
            }
        }
    }
}

.remote-audio {
    position: fixed;
    bottom: 0px;
    right: 0px;
    width: 0;
    height: 0;
    opacity: 0;
    visibility: hidden;
}

// Animations
@keyframes pulse-gradient {
    0%, 100% {
        opacity: 0.4;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes connecting-gradient {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
}

@keyframes active-gradient {
    0%, 100% {
        opacity: 0.2;
    }
    50% {
        opacity: 0.4;
    }
}

@keyframes emoji-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.15);
        opacity: 1;
    }
}