/**
 * Email Lanes (Swimlane) Layout Styles
 * Horizontal lanes grouped by email type with drag-and-drop support.
 */

/* ============ Container ============ */

.emails-lanes-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
    padding: 24px;
    max-width: 100%;
    min-height: calc(100vh - 180px);
    background: #f5f7fb;
}

/* ============ Lane (Swimlane) ============ */

.emails-lane {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.emails-lane__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e2e8f0;
}

.emails-lane__title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.emails-lane__type-badge {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 12px;
    border-radius: 6px;
    background: #e0e7ff;
    color: #3730a3;
}

/* Different colors for different email types */
.emails-lane__type-badge--post_purchase_onboarding {
    background: #d1fae5;
    color: #065f46;
}

.emails-lane__type-badge--cart_abandonment {
    background: #fef3c7;
    color: #92400e;
}

.emails-lane__type-badge--browse_abandonment {
    background: #fee2e2;
    color: #991b1b;
}

.emails-lane__type-badge--replenishment_reminder {
    background: #dbeafe;
    color: #1e40af;
}

.emails-lane__type-badge--winback {
    background: #fae8ff;
    color: #86198f;
}

.emails-lane__type-badge--welcome {
    background: #ecfdf5;
    color: #047857;
}

.emails-lane__count {
    font-size: 0.875rem;
    color: #718096;
    font-weight: 500;
}

/* ============ Cards Container (Horizontal Scroll) ============ */

.emails-lane__cards {
    display: flex;
    align-items: flex-start; /* Cards size to their own content height */
    gap: 20px;
    overflow-x: auto;
    overflow-y: visible;
    padding: 4px 4px 16px 4px;
    margin: -4px;
    scroll-behavior: smooth;
    /* Custom scrollbar */
    scrollbar-width: thin;
    scrollbar-color: #cbd5e0 transparent;
}

.emails-lane__cards::-webkit-scrollbar {
    height: 8px;
}

.emails-lane__cards::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 4px;
}

.emails-lane__cards::-webkit-scrollbar-thumb {
    background: #cbd5e0;
    border-radius: 4px;
}

.emails-lane__cards::-webkit-scrollbar-thumb:hover {
    background: #a0aec0;
}

/* ============ Lane Card (Fixed Width for Horizontal Layout) ============ */

.emails-lane .emails-card {
    flex: 0 0 360px;
    width: 360px;
    min-width: 360px;
    max-width: 360px;
    margin-bottom: 0; /* Override Masonry margin */
    cursor: grab;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    position: relative; /* Required for drop indicator pseudo-elements */
}

.emails-lane .emails-card:active {
    cursor: grabbing;
}

/* ============ Drag States ============ */

.emails-card.is-dragging {
    opacity: 0.4;
    transform: scale(0.95);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    cursor: grabbing;
    border: 2px dashed #a0aec0;
}

.emails-card.drag-ghost {
    position: absolute;
    pointer-events: none;
    z-index: 1000;
    transform: rotate(3deg);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

/* Drop indicator - visible vertical bar showing insertion point */
.emails-drop-indicator {
    flex: 0 0 8px;
    width: 8px;
    min-height: 100%;
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: 8px 0;
    margin: 0 -4px;
    position: relative;
    z-index: 100;
}

.emails-drop-indicator__line {
    width: 4px;
    background: linear-gradient(180deg, #B9F040 0%, #9ED936 50%, #B9F040 100%);
    border-radius: 4px;
    box-shadow: 
        0 0 8px rgba(185, 240, 64, 0.8),
        0 0 16px rgba(185, 240, 64, 0.5),
        0 0 24px rgba(185, 240, 64, 0.3);
    animation: dropIndicatorGlow 1s ease-in-out infinite;
    min-height: 150px; /* Minimum visible height for drop indicator */
    align-self: stretch; /* Stretch to match adjacent cards */
}

@keyframes dropIndicatorGlow {
    0%, 100% {
        box-shadow: 
            0 0 8px rgba(185, 240, 64, 0.8),
            0 0 16px rgba(185, 240, 64, 0.5),
            0 0 24px rgba(185, 240, 64, 0.3);
    }
    50% {
        box-shadow: 
            0 0 12px rgba(185, 240, 64, 1),
            0 0 24px rgba(185, 240, 64, 0.7),
            0 0 36px rgba(185, 240, 64, 0.4);
    }
}

/* Drop zone overlay on lane */
.emails-lane.drag-over {
    background: rgba(185, 240, 64, 0.08);
    border-color: #B9F040;
    box-shadow: inset 0 0 0 2px rgba(185, 240, 64, 0.3);
}

.emails-lane.drag-over .emails-lane__cards {
    background: rgba(185, 240, 64, 0.05);
    border-radius: 8px;
}

/* Subtle highlight on the adjacent card during drag */
.emails-card.drag-target-before,
.emails-card.drag-target-after {
    box-shadow: 0 4px 16px rgba(185, 240, 64, 0.2);
}

/* ============ Empty Lane State ============ */

.emails-lane__empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    padding: 32px;
    background: #f8fafc;
    border: 2px dashed #e2e8f0;
    border-radius: 8px;
    text-align: center;
    color: #718096;
}

.emails-lane__empty-icon {
    font-size: 2rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

.emails-lane__empty-text {
    font-size: 0.875rem;
    margin: 0;
}

/* Empty state as drop target */
.emails-lane__empty.drag-over {
    background: rgba(185, 240, 64, 0.1);
    border-color: #B9F040;
    border-style: solid;
}

/* ============ Sequence Pills (Email X and Day X as separate pills) ============ */

/* Email position pill */
.pe-email-mockup__sequence-pill {
    display: inline-flex;
    align-items: center;
    background: #e0e7ff;
    padding: 4px 4px 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pe-email-mockup__email-position {
    background: transparent;
    border: none;
    font-size: 11px;
    font-weight: 600;
    color: #3730a3;
    cursor: pointer;
    padding: 4px 20px 4px 4px;
    border-radius: 4px;
    text-transform: uppercase;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%233730a3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 4px center;
}

.pe-email-mockup__email-position:hover {
    background: rgba(55, 48, 163, 0.15);
}

.pe-email-mockup__email-position:focus {
    outline: 2px solid #3730a3;
    outline-offset: 1px;
}

/* Day pill */
.pe-email-mockup__day-pill {
    display: inline-flex;
    align-items: center;
    background: #fef3c7;
    padding: 4px 4px 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pe-email-mockup__day-select {
    background: transparent;
    border: none;
    font-size: 11px;
    font-weight: 600;
    color: #92400e;
    cursor: pointer;
    padding: 4px 20px 4px 4px;
    border-radius: 4px;
    text-transform: uppercase;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2392400e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 4px center;
}

.pe-email-mockup__day-select:hover {
    background: rgba(146, 64, 14, 0.1);
}

.pe-email-mockup__day-select:focus {
    outline: 2px solid #92400e;
    outline-offset: 1px;
}

/* Warning state for out-of-order days */
.pe-email-mockup__day-pill.is-warning {
    background: #fee2e2;
}

.pe-email-mockup__day-pill.is-warning .pe-email-mockup__day-select {
    color: #991b1b;
}

/* ============ Responsive ============ */

@media (max-width: 768px) {
    .emails-lanes-container {
        padding: 16px;
        gap: 24px;
    }
    
    .emails-lane {
        padding: 16px;
    }
    
    .emails-lane .emails-card {
        flex: 0 0 300px;
        width: 300px;
        min-width: 300px;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .emails-lane .emails-card {
        flex: 0 0 280px;
        width: 280px;
        min-width: 280px;
        max-width: 280px;
    }
}

/* ============ Animation for Reorder ============ */

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.emails-card.just-moved {
    animation: slideIn 0.3s ease;
}

/* ============ Cascade Dialog ============ */

.emails-cascade-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 24px;
    z-index: 10001;
    max-width: 400px;
    width: 90%;
}

.emails-cascade-dialog__overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
}

.emails-cascade-dialog__title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 12px 0;
    color: #1a202c;
}

.emails-cascade-dialog__text {
    font-size: 0.875rem;
    color: #4a5568;
    margin: 0 0 20px 0;
    line-height: 1.5;
}

.emails-cascade-dialog__actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.emails-cascade-dialog__btn {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s ease;
}

.emails-cascade-dialog__btn--cancel {
    background: #e2e8f0;
    border: none;
    color: #4a5568;
}

.emails-cascade-dialog__btn--cancel:hover {
    background: #cbd5e0;
}

.emails-cascade-dialog__btn--confirm {
    background: #B9F040;
    border: none;
    color: #1a202c;
}

.emails-cascade-dialog__btn--confirm:hover {
    background: #a8e030;
}

.emails-cascade-dialog__btn--skip {
    background: transparent;
    border: 1px solid #e2e8f0;
    color: #4a5568;
}

.emails-cascade-dialog__btn--skip:hover {
    background: #f8fafc;
}