/**
 * Project Manager Frontend Styles - Enhanced UI
 */

/* ============================================
   CONTAINER & TITLE
   ============================================ */
.pm-projects-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

.pm-projects-title {
    font-size: 2.2em;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 4px solid #007cba;
    position: relative;
    display: inline-block;
}

.pm-projects-title::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 60%;
    height: 4px;
    background: linear-gradient(90deg, #007cba, #00a8ff);
    border-radius: 2px;
}

/* ============================================
   FILTER CONTAINER
   ============================================ */
.pm-filter-container {
    background: linear-gradient(135deg, #f8f9fe 0%, #ffffff 100%);
    padding: 25px 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    margin: 20px 0 30px 0;
    border: 1px solid rgba(0, 124, 186, 0.08);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.pm-filter-label-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pm-filter-label {
    font-weight: 700;
    font-size: 16px;
    color: #1a1a2e;
    letter-spacing: 0.3px;
}

.pm-filter-label-icon {
    font-size: 20px;
}

.pm-filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.pm-filter-btn {
    padding: 10px 24px;
    border: 2px solid #e8ecf1;
    background: #ffffff;
    border-radius: 50px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: #6b7a8f;
    letter-spacing: 0.2px;
    position: relative;
    overflow: hidden;
}

.pm-filter-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(0, 124, 186, 0.1);
    transition: all 0.5s ease;
    transform: translate(-50%, -50%);
}

.pm-filter-btn:hover::before {
    width: 200px;
    height: 200px;
}

.pm-filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    border-color: #007cba;
    color: #007cba;
}

.pm-filter-btn.active {
    background: #007cba;
    border-color: #007cba;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 124, 186, 0.3);
}

.pm-filter-btn.active:hover {
    background: #005a87;
    border-color: #005a87;
    box-shadow: 0 6px 20px rgba(0, 124, 186, 0.4);
}

.pm-filter-btn .pm-btn-icon {
    margin-right: 8px;
    font-size: 16px;
}

.pm-filter-btn .pm-btn-count {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    margin-left: 6px;
    line-height: 18px;
}

.pm-filter-btn.active .pm-btn-count {
    background: rgba(255, 255, 255, 0.25);
}

.pm-filter-btn.all-btn.active {
    background: #6c757d;
    border-color: #6c757d;
}

.pm-filter-btn.all-btn.active:hover {
    background: #5a6268;
    border-color: #5a6268;
}

.pm-filter-btn.active-btn.active {
    background: #28a745;
    border-color: #28a745;
}

.pm-filter-btn.active-btn.active:hover {
    background: #1e7e34;
    border-color: #1e7e34;
}

.pm-filter-btn.completed-btn.active {
    background: #007bff;
    border-color: #007bff;
}

.pm-filter-btn.completed-btn.active:hover {
    background: #0056b3;
    border-color: #0056b3;
}

.pm-filter-btn.inactive-btn.active {
    background: #dc3545;
    border-color: #dc3545;
}

.pm-filter-btn.inactive-btn.active:hover {
    background: #bd2130;
    border-color: #bd2130;
}

.pm-filter-loading {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: #f0f7ff;
    border-radius: 8px;
    color: #007cba;
    font-weight: 500;
    font-size: 14px;
}

.pm-filter-loading .pm-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid #e0e7ef;
    border-top: 3px solid #007cba;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   PROJECT STATS
   ============================================ */
.pm-project-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin: 25px 0 35px 0;
}

.pm-stat-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #eef2f7;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.pm-stat-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

.pm-stat-icon {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 20px;
    flex-shrink: 0;
}

.pm-stat-icon.total {
    background: #eef2f7;
    color: #6c757d;
}

.pm-stat-icon.active {
    background: #d4edda;
    color: #28a745;
}

.pm-stat-icon.completed {
    background: #cce5ff;
    color: #007bff;
}

.pm-stat-icon.inactive {
    background: #f8d7da;
    color: #dc3545;
}

.pm-stat-info {
    display: flex;
    flex-direction: column;
}

.pm-stat-number {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.2;
}

.pm-stat-label {
    font-size: 13px;
    color: #8896a8;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.pm-stat-item.total .pm-stat-number {
    color: #6c757d;
}

.pm-stat-item.active .pm-stat-number {
    color: #28a745;
}

.pm-stat-item.completed .pm-stat-number {
    color: #007bff;
}

.pm-stat-item.inactive .pm-stat-number {
    color: #dc3545;
}

/* ============================================
   PROJECTS GRID
   ============================================ */
.pm-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}

/* ============================================
   PROJECT CARD
   ============================================ */
.pm-project-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #eef2f7;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
}

.pm-project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007cba, #00a8ff);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pm-project-card:hover::before {
    opacity: 1;
}

.pm-project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    border-color: #dce3ec;
}

.pm-project-card[data-status="completed"]::before {
    background: linear-gradient(90deg, #007bff, #66b0ff);
}

.pm-project-card[data-status="active"]::before {
    background: linear-gradient(90deg, #28a745, #5dd879);
}

.pm-project-card[data-status="inactive"]::before {
    background: linear-gradient(90deg, #dc3545, #ff6b7a);
}

.pm-project-header {
    padding: 22px 24px 16px 24px;
    border-bottom: 1px solid #f0f3f8;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.pm-project-name {
    margin: 0;
    font-size: 1.15em;
    font-weight: 700;
    color: #1a1a2e;
    flex: 1;
    line-height: 1.4;
}

.pm-project-body {
    padding: 18px 24px 22px 24px;
}

.pm-project-description {
    color: #6b7a8f;
    line-height: 1.7;
    margin: 0 0 18px 0;
    font-size: 14px;
}

.pm-project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
}

.pm-project-meta span {
    background: #f5f7fa;
    padding: 4px 12px;
    border-radius: 20px;
    color: #6b7a8f;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.pm-project-meta span .pm-meta-icon {
    font-size: 14px;
}

/* ============================================
   STATUS BADGES
   ============================================ */
.pm-project-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    flex-shrink: 0;
}

.pm-project-status .pm-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.pm-status-active {
    background: #d4edda;
    color: #155724;
}

.pm-status-active .pm-status-dot {
    background: #28a745;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.8); }
}

.pm-status-completed {
    background: #cce5ff;
    color: #004085;
}

.pm-status-completed .pm-status-dot {
    background: #007bff;
}

.pm-status-inactive {
    background: #f8d7da;
    color: #721c24;
}

.pm-status-inactive .pm-status-dot {
    background: #dc3545;
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.pm-project-progress {
    padding: 0 24px 22px 24px;
}

.pm-progress-bar-wrapper {
    display: flex;
    align-items: center;
    gap: 14px;
}

.pm-progress-bar {
    flex: 1;
    height: 8px;
    background: #eef2f7;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.pm-progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.pm-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.pm-progress-fill.active-fill {
    background: linear-gradient(90deg, #28a745, #5dd879);
}

.pm-progress-fill.completed-fill {
    background: linear-gradient(90deg, #007bff, #66b0ff);
}

.pm-progress-fill.inactive-fill {
    background: linear-gradient(90deg, #dc3545, #ff6b7a);
}

.pm-progress-text {
    font-size: 13px;
    font-weight: 600;
    color: #6b7a8f;
    min-width: 45px;
    text-align: right;
}

/* ============================================
   NO PROJECTS FOUND
   ============================================ */
.pm-no-projects-found {
    text-align: center;
    padding: 80px 20px;
    background: #f8f9fe;
    border-radius: 16px;
    border: 2px dashed #dce3ec;
}

.pm-no-projects-found .pm-empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.pm-no-projects-found h3 {
    color: #1a1a2e;
    margin: 0 0 8px 0;
    font-size: 20px;
}

.pm-no-projects-found p {
    color: #8896a8;
    margin: 0;
    font-size: 15px;
}

.pm-no-projects {
    text-align: center;
    padding: 40px 20px;
    color: #8896a8;
    font-style: italic;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .pm-projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .pm-filter-container {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
        padding: 20px;
    }
    
    .pm-filter-label-wrapper {
        justify-content: center;
    }
    
    .pm-filter-buttons {
        justify-content: center;
    }
    
    .pm-filter-btn {
        padding: 8px 16px;
        font-size: 13px;
        flex: 1;
        text-align: center;
        min-width: 80px;
    }
    
    .pm-project-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .pm-projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .pm-stat-item {
        padding: 14px 16px;
    }
    
    .pm-stat-number {
        font-size: 20px;
    }
    
    .pm-project-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pm-project-name {
        font-size: 1em;
    }
    
    .pm-project-status {
        align-self: flex-start;
    }
    
    .pm-project-meta {
        flex-direction: column;
    }
    
    .pm-project-meta span {
        white-space: normal;
    }
    
    .pm-projects-title {
        font-size: 1.6em;
    }
}

@media (max-width: 480px) {
    .pm-projects-container {
        padding: 0 12px;
        margin: 20px auto;
    }
    
    .pm-filter-container {
        padding: 16px;
    }
    
    .pm-filter-buttons {
        flex-wrap: wrap;
    }
    
    .pm-filter-btn {
        font-size: 12px;
        padding: 6px 14px;
        min-width: 60px;
    }
    
    .pm-project-stats {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    
    .pm-stat-item {
        padding: 12px 14px;
    }
    
    .pm-stat-icon {
        width: 34px;
        height: 34px;
        font-size: 16px;
    }
    
    .pm-stat-number {
        font-size: 18px;
    }
    
    .pm-stat-label {
        font-size: 11px;
    }
    
    .pm-project-card {
        border-radius: 12px;
    }
    
    .pm-project-header {
        padding: 16px 16px 12px 16px;
    }
    
    .pm-project-body {
        padding: 12px 16px 16px 16px;
    }
    
    .pm-project-progress {
        padding: 0 16px 16px 16px;
    }
}