/* wsp.ai - Project Selector Split Button - Material Design 3 */

/* ============================================
   PROJECT SELECTOR CONTAINER
   ============================================ */

.project-selector-container {
    position: relative;
    flex: 1;
    max-width: 600px;
}

/* ============================================
   PROJECT SELECTOR BUTTON (Split Button Style)
   ============================================ */

.project-selector-button {
    display: flex;
    align-items: center;
    width: 100%;
    background: transparent;
    border: 1px solid rgba(144, 202, 249, 0.3);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-fast);
    height: 36px;
}

.project-selector-button:hover {
    border-color: rgba(144, 202, 249, 0.5);
    background-color: rgba(144, 202, 249, 0.05);
}

.project-selector-main {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 6px 12px;
    color: #90caf9;
    font-size: 13px;
    font-weight: 500;
    border-right: 1px solid rgba(144, 202, 249, 0.2);
    transition: background-color var(--transition-fast);
    overflow: hidden;
}

.project-selector-main:hover {
    background-color: rgba(144, 202, 249, 0.08);
}

.project-selector-main .material-symbols-outlined {
    font-size: 18px;
    flex-shrink: 0;
}

.project-info {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-selector-dropdown {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 8px;
    color: #90caf9;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.project-selector-dropdown:hover {
    background-color: rgba(144, 202, 249, 0.08);
}

.project-selector-dropdown .material-symbols-outlined {
    font-size: 18px;
    transition: transform var(--transition-fast);
}

.project-selector-container.open .project-selector-dropdown .material-symbols-outlined {
    transform: rotate(180deg);
}

/* ============================================
   PROJECT DROPDOWN
   ============================================ */

.project-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background-color: rgba(37, 37, 37, 0.95);
    border: 1px solid #333;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    z-index: 1000;
}

.project-dropdown.show {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    animation: fadeIn 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ============================================
   PROJECT LIST
   ============================================ */

.project-list {
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-xs) 0;
}

.project-list::-webkit-scrollbar {
    width: 6px;
}

.project-list::-webkit-scrollbar-track {
    background: transparent;
}

.project-list::-webkit-scrollbar-thumb {
    background: rgba(144, 202, 249, 0.3);
    border-radius: 3px;
}

.project-list::-webkit-scrollbar-thumb:hover {
    background: rgba(144, 202, 249, 0.5);
}

/* ============================================
   PROJECT ITEMS
   ============================================ */

.project-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 12px 16px;
    color: var(--md-sys-color-on-surface);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.project-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: rgba(144, 202, 249, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.6s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.project-item:active::before {
    transform: translate(-50%, -50%) scale(2);
    opacity: 0;
}

.project-item:hover {
    background-color: rgba(144, 202, 249, 0.1);
}

.project-item:active {
    background-color: rgba(144, 202, 249, 0.2);
}

.project-item .material-symbols-outlined {
    font-size: 20px;
    color: #90caf9;
    flex-shrink: 0;
}

.project-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.project-item-title {
    font-weight: 400;
    color: #e0e0e0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-item-code {
    font-size: 11px;
    font-weight: 500;
    color: #90caf9;
    font-family: 'Roboto Mono', monospace;
    letter-spacing: 0.5px;
}

/* Project Badge */
.project-badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.project-badge.recent {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.2), rgba(56, 142, 60, 0.15));
    border: 1px solid rgba(76, 175, 80, 0.3);
    color: #81C784;
}

/* ============================================
   ANIMATIONS
   ============================================ */

/* Staggered entrance for project items */
.project-item {
    animation: slideInProject 0.3s cubic-bezier(0.4, 0.0, 0.2, 1) backwards;
}

.project-item:nth-child(1) { animation-delay: 0.05s; }
.project-item:nth-child(2) { animation-delay: 0.08s; }
.project-item:nth-child(3) { animation-delay: 0.11s; }
.project-item:nth-child(4) { animation-delay: 0.14s; }
.project-item:nth-child(5) { animation-delay: 0.17s; }
.project-item:nth-child(6) { animation-delay: 0.20s; }
.project-item:nth-child(7) { animation-delay: 0.23s; }
.project-item:nth-child(8) { animation-delay: 0.26s; }
.project-item:nth-child(9) { animation-delay: 0.29s; }
.project-item:nth-child(10) { animation-delay: 0.32s; }

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

/* ============================================
   PROJECT FOOTER (Add Document)
   ============================================ */

.project-footer {
    padding: var(--spacing-md);
    border-top: 1px solid rgba(144, 202, 249, 0.1);
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.2));
}

.add-document-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 16px;
    background: rgba(144, 202, 249, 0.08);
    border: 1px solid rgba(144, 202, 249, 0.2);
    border-radius: 24px;
    color: #90caf9;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.add-document-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: rgba(144, 202, 249, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.6s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.add-document-btn:active::before {
    transform: translate(-50%, -50%) scale(2);
    opacity: 0;
}

.add-document-btn:hover {
    background: rgba(144, 202, 249, 0.15);
    border-color: rgba(144, 202, 249, 0.4);
    box-shadow: 0 4px 12px rgba(144, 202, 249, 0.2);
    transform: translateY(-1px);
}

.add-document-btn:active {
    transform: translateY(0);
}

.add-document-btn .material-symbols-outlined {
    font-size: 20px;
    font-weight: 500;
}

/* Add button entrance animation */
.add-document-btn {
    animation: fadeInScale 0.3s cubic-bezier(0.4, 0.0, 0.2, 1) 0.3s backwards;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .project-selector-container {
        max-width: 100%;
    }
    
    .project-selector-button {
        height: 32px;
    }
    
    .project-selector-main {
        padding: 4px 8px;
        font-size: 12px;
    }
    
    .project-item {
        padding: 10px 12px;
    }
    
    .project-item-title {
        font-size: 12px;
    }
}