popup.css

/**
 * Styles for LinkedIn Zip Solver popup - matching LinkedIn UI
 */

/* Side Panel - draggable and resizable with square aspect ratio */
.zip-solver-panel {
    position: fixed;
    top: 150px;
    left: 40px;
    width: 480px;
    height: 480px;
    z-index: 999999;
    animation: fadeIn 0.3s ease;
    overflow: visible;
    min-width: 300px;
    max-width: 800px;
    min-height: 300px;
    max-height: 800px;
    display: flex;
    flex-direction: column;
}

/* Custom resize handle */
.zip-resize-handle {
    position: absolute;
    bottom: 3%;
    right: 3%;
    width: auto;
    height: auto;
    font-size: calc(var(--panel-size, 480px) * 0.05);
    color: #999;
    cursor: nwse-resize;
    z-index: 100;
    user-select: none;
    line-height: 1;
    padding: 0.5%;
}

.zip-resize-handle:hover {
    color: #666;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Drag Handle - just dots at top edge */
.zip-drag-handle {
    position: absolute;
    top: 2%;
    left: 50%;
    transform: translateX(-50%) rotate(90deg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    z-index: 100;
    padding: 0.5% 2%;
}

.zip-drag-handle:active {
    cursor: grabbing;
}

.zip-drag-handle::before {
    content: '⋮⋮';
    font-size: calc(var(--panel-size, 480px) * 0.04);
    color: #999;
    letter-spacing: 0.3em;
    line-height: 1;
}

/* Header - close button inside panel */
.zip-solver-header {
    position: absolute;
    top: 4%;
    left: 4%;
    z-index: 100;
}

.zip-solver-close {
    background: transparent;
    border: none;
    font-size: calc(var(--panel-size, 480px) * 0.05);
    color: #666;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: auto;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease, transform 0.2s ease;
}

.zip-solver-close:hover {
    color: #000;
    transform: scale(1.2);
}

/* Grid Container - scales with panel */
.zip-solver-grid {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    width: 100%;
    height: 100%;
}

.zip-grid-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zip-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1%;
    background: white;
    padding: 6%;
    border-radius: 8%;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    position: relative;
    width: 100%;
    max-width: 98%;
    aspect-ratio: 1;
}

.zip-path-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* Grid Cell */
.zip-cell {
    aspect-ratio: 1;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    border-radius: 12px;
    position: relative;
    transition: all 0.2s ease;
}

/* Wall indicators - thick black borders matching LinkedIn */
.zip-cell.wall-top {
    border-top: 8px solid #000;
    border-top-left-radius: 2px;
    border-top-right-radius: 2px;
}

.zip-cell.wall-below {
    border-bottom: 8px solid #000;
    border-bottom-left-radius: 2px;
    border-bottom-right-radius: 2px;
}

.zip-cell.wall-left {
    border-left: 8px solid #000;
    border-top-left-radius: 2px;
    border-bottom-left-radius: 2px;
}

.zip-cell.wall-right {
    border-right: 8px solid #000;
    border-top-right-radius: 2px;
    border-bottom-right-radius: 2px;
}

/* L-corner walls get both classes - adjust corners for cleaner look */
.zip-cell.wall-top.wall-left {
    border-top-left-radius: 0;
}

.zip-cell.wall-below.wall-left {
    border-bottom-left-radius: 0;
}

.zip-cell.wall-top.wall-right {
    border-top-right-radius: 0;
}

.zip-cell.wall-below.wall-right {
    border-bottom-right-radius: 0;
}

/* Numbered cells - black circle with white number */
.zip-cell.numbered {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zip-cell.numbered::before {
    content: attr(data-number);
    width: 65%;
    height: 65%;
    background: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: calc(var(--panel-size, 480px) * 0.038);
    font-weight: 700;
    color: white;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 10;
    line-height: 1;
}

/* Make path corners more rounded where they turn */
.zip-cell.path.corner {
    border-radius: 20px;
}

/* Error message */
.error {
    color: #d32f2f;
    text-align: center;
    padding: 20px;
    font-size: 16px;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Floating Action Button */
.zip-solver-fab {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: white;
    border: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    z-index: 999998;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    transition: all 0.3s ease;
}

.zip-solver-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.zip-solver-fab:active {
    transform: scale(0.95);
}

/* Responsive */
@media (max-width: 600px) {
    .zip-solver-container {
        width: 95%;
        padding: 24px;
        border-radius: 20px;
    }

    .zip-solver-header h2 {
        font-size: 24px;
    }

    .zip-grid {
        padding: 16px;
        border-radius: 24px;
    }

    .zip-cell {
        border-radius: 8px;
    }

    .zip-cell.numbered::before {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .zip-solver-fab {
        width: 50px;
        height: 50px;
        font-size: 24px;
        bottom: 20px;
        right: 20px;
    }
}