/**
 * WP FileMaya - Enhanced Frontend Styles v2.0
 * Modern, animated, production-ready design
 */

/* ===================================
   CSS VARIABLES & THEME
   =================================== */
:root {
    --filemaya-primary: #0073aa;
    --filemaya-primary-hover: #005a87;
    --filemaya-primary-light: rgba(0, 115, 170, 0.1);
    --filemaya-success: #28a745;
    --filemaya-success-light: rgba(40, 167, 69, 0.1);
    --filemaya-danger: #dc3545;
    --filemaya-danger-light: rgba(220, 53, 69, 0.1);
    --filemaya-warning: #ffc107;
    --filemaya-warning-light: rgba(255, 193, 7, 0.1);
    --filemaya-info: #17a2b8;
    --filemaya-text: #2c3e50;
    --filemaya-text-light: #6c757d;
    --filemaya-text-lighter: #95a5a6;
    --filemaya-border: #dee2e6;
    --filemaya-border-light: #e9ecef;
    --filemaya-bg: #f8f9fa;
    --filemaya-bg-light: #ffffff;
    --filemaya-radius: 12px;
    --filemaya-radius-sm: 8px;
    --filemaya-radius-lg: 16px;
    --filemaya-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --filemaya-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --filemaya-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --filemaya-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   UPLOAD CONTAINER
   =================================== */
.filemaya-upload-container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

.filemaya-upload-header {
    text-align: center;
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease-out;
}

.filemaya-upload-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--filemaya-text);
    margin: 0 0 12px 0;
    letter-spacing: -0.5px;
}

.filemaya-upload-description {
    font-size: 16px;
    color: var(--filemaya-text-light);
    margin: 0;
    line-height: 1.6;
}

/* ===================================
   DROPZONE - Enhanced with animations
   =================================== */
.filemaya-dropzone {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 3px dashed var(--filemaya-border);
    border-radius: var(--filemaya-radius-lg);
    padding: 64px 40px;
    text-align: center;
    transition: var(--filemaya-transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.filemaya-dropzone::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, var(--filemaya-primary-light) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.filemaya-dropzone:hover::before,
.filemaya-dropzone.filemaya-dragover::before {
    opacity: 1;
}

.filemaya-dropzone:hover {
    border-color: var(--filemaya-primary);
    background: linear-gradient(135deg, #ffffff 0%, var(--filemaya-primary-light) 100%);
    transform: translateY(-2px);
    box-shadow: var(--filemaya-shadow);
}

.filemaya-dropzone.filemaya-dragover {
    border-color: var(--filemaya-primary);
    border-style: solid;
    background: var(--filemaya-primary-light);
    transform: scale(1.02);
    box-shadow: var(--filemaya-shadow-lg);
}

.filemaya-dropzone-inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.filemaya-upload-icon {
    width: 96px;
    height: 96px;
    color: var(--filemaya-primary);
    transition: var(--filemaya-transition);
}

.filemaya-dropzone:hover .filemaya-upload-icon {
    transform: translateY(-4px);
    filter: drop-shadow(0 4px 8px rgba(0, 115, 170, 0.2));
}

.filemaya-dropzone.filemaya-dragover .filemaya-upload-icon {
    animation: bounce 0.6s ease infinite;
}

.filemaya-dropzone-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filemaya-dropzone-text {
    font-size: 22px;
    font-weight: 600;
    color: var(--filemaya-text);
    margin: 0;
    transition: var(--filemaya-transition);
}

.filemaya-dropzone:hover .filemaya-dropzone-text {
    color: var(--filemaya-primary);
}

.filemaya-dropzone-subtext {
    font-size: 14px;
    color: var(--filemaya-text-light);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* ===================================
   BUTTONS - Enhanced
   =================================== */
.filemaya-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--filemaya-radius);
    cursor: pointer;
    transition: var(--filemaya-transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.filemaya-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.filemaya-btn:hover::before {
    width: 300px;
    height: 300px;
}

.filemaya-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.filemaya-btn:hover svg {
    transform: translateX(2px);
}

.filemaya-btn-primary {
    background: linear-gradient(135deg, var(--filemaya-primary) 0%, var(--filemaya-primary-hover) 100%);
    color: var(--filemaya-bg-light);
    box-shadow: 0 4px 12px rgba(0, 115, 170, 0.2);
}

.filemaya-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 115, 170, 0.3);
}

.filemaya-btn-primary:active {
    transform: translateY(0);
}

/* ===================================
   UPLOAD INFO - Enhanced with icons
   =================================== */
.filemaya-upload-info {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    align-items: center;
    background: var(--filemaya-bg);
    padding: 20px 24px;
    border-radius: var(--filemaya-radius);
    margin-top: 24px;
    border: 1px solid var(--filemaya-border-light);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.filemaya-info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--filemaya-text);
}

.filemaya-info-icon {
    flex-shrink: 0;
    color: var(--filemaya-primary);
}

.filemaya-info-item strong {
    color: var(--filemaya-text);
    font-weight: 600;
}

.filemaya-security-badge {
    background: var(--filemaya-success-light);
    padding: 8px 16px;
    border-radius: var(--filemaya-radius-sm);
    color: var(--filemaya-success);
    font-weight: 600;
}

.filemaya-security-badge .filemaya-info-icon {
    color: var(--filemaya-success);
}

/* ===================================
   FILES LIST - Completely redesigned
   =================================== */
.filemaya-files-list {
    margin-top: 32px;
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.filemaya-files-list:not(:empty) {
    display: block;
}

.filemaya-file-item {
    background: var(--filemaya-bg-light);
    border: 2px solid var(--filemaya-border-light);
    border-radius: var(--filemaya-radius);
    padding: 20px;
    margin-bottom: 16px;
    transition: var(--filemaya-transition);
    opacity: 0;
    transform: translateY(20px);
}

.filemaya-file-item.filemaya-file-visible {
    opacity: 1;
    transform: translateY(0);
}

.filemaya-file-item:hover {
    border-color: var(--filemaya-primary);
    box-shadow: var(--filemaya-shadow);
    transform: translateY(-2px);
}

.filemaya-file-item.filemaya-file-success {
    border-color: var(--filemaya-success);
    background: linear-gradient(135deg, var(--filemaya-bg-light) 0%, var(--filemaya-success-light) 100%);
}

.filemaya-file-item.filemaya-file-error {
    border-color: var(--filemaya-danger);
    background: linear-gradient(135deg, var(--filemaya-bg-light) 0%, var(--filemaya-danger-light) 100%);
}

/* File Header */
.filemaya-file-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.filemaya-file-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--filemaya-primary-light);
    border-radius: var(--filemaya-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--filemaya-primary);
}

.filemaya-file-icon svg {
    width: 28px;
    height: 28px;
}

.filemaya-file-info {
    flex: 1;
    min-width: 0;
}

.filemaya-file-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--filemaya-text);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.filemaya-file-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--filemaya-text-light);
}

.filemaya-file-size,
.filemaya-file-type {
    display: inline-flex;
    align-items: center;
}

.filemaya-file-type {
    background: var(--filemaya-bg);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}

/* File Progress */
.filemaya-file-progress {
    margin-bottom: 12px;
}

.filemaya-progress-bar {
    height: 8px;
    background: var(--filemaya-bg);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 8px;
    position: relative;
}

.filemaya-progress-bar::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 1.5s infinite;
}

.filemaya-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--filemaya-primary) 0%, var(--filemaya-info) 100%);
    transition: width 0.3s ease;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.filemaya-file-success .filemaya-progress-fill {
    background: linear-gradient(90deg, var(--filemaya-success) 0%, #20c997 100%);
}

.filemaya-file-error .filemaya-progress-fill {
    background: var(--filemaya-danger);
}

.filemaya-progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.filemaya-progress-text {
    color: var(--filemaya-text-light);
    font-weight: 500;
}

.filemaya-progress-percent {
    color: var(--filemaya-text);
    font-weight: 600;
}

/* File Status */
.filemaya-file-status {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.filemaya-success-message {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--filemaya-success);
    font-weight: 600;
    font-size: 14px;
}

.filemaya-success-icon {
    flex-shrink: 0;
    animation: scaleIn 0.4s ease-out;
}

.filemaya-error {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--filemaya-danger);
    font-weight: 600;
    font-size: 14px;
}

.filemaya-error svg {
    flex-shrink: 0;
}

.filemaya-file-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.filemaya-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 600;
    background: var(--filemaya-primary);
    color: var(--filemaya-bg-light);
    border: none;
    border-radius: var(--filemaya-radius-sm);
    cursor: pointer;
    transition: var(--filemaya-transition);
    text-decoration: none;
}

.filemaya-link-btn:hover {
    background: var(--filemaya-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 115, 170, 0.2);
}

.filemaya-link-btn svg {
    width: 16px;
    height: 16px;
}

.filemaya-copy-link {
    background: var(--filemaya-bg);
    color: var(--filemaya-text);
    border: 2px solid var(--filemaya-border);
}

.filemaya-copy-link:hover {
    background: var(--filemaya-border-light);
    border-color: var(--filemaya-primary);
}

/* ===================================
   UPLOAD SUMMARY
   =================================== */
.filemaya-upload-summary {
    margin-top: 24px;
    padding: 20px;
    background: var(--filemaya-bg-light);
    border: 2px solid var(--filemaya-border-light);
    border-radius: var(--filemaya-radius);
    display: none;
    animation: fadeInUp 0.4s ease-out;
}

.filemaya-upload-summary:not([style*="display: none"]) {
    display: block;
}

.filemaya-summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
}

.filemaya-stat {
    text-align: center;
    padding: 16px;
    background: var(--filemaya-bg);
    border-radius: var(--filemaya-radius-sm);
}

.filemaya-stat-label {
    display: block;
    font-size: 13px;
    color: var(--filemaya-text-light);
    margin-bottom: 8px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filemaya-stat-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--filemaya-text);
}

.filemaya-stat-success {
    color: var(--filemaya-success);
}

.filemaya-stat-error {
    color: var(--filemaya-danger);
}

/* ===================================
   NOTIFICATIONS
   =================================== */
.filemaya-notification {
    position: fixed;
    top: 24px;
    right: 24px;
    padding: 16px 24px;
    background: var(--filemaya-bg-light);
    border-radius: var(--filemaya-radius);
    box-shadow: var(--filemaya-shadow-lg);
    font-weight: 600;
    font-size: 14px;
    z-index: 10000;
    opacity: 0;
    transform: translateX(400px);
    transition: var(--filemaya-transition);
    border-left: 4px solid;
}

.filemaya-notification.filemaya-notification-show {
    opacity: 1;
    transform: translateX(0);
}

.filemaya-notification-success {
    border-left-color: var(--filemaya-success);
    color: var(--filemaya-success);
}

.filemaya-notification-error {
    border-left-color: var(--filemaya-danger);
    color: var(--filemaya-danger);
}

.filemaya-notification-info {
    border-left-color: var(--filemaya-info);
    color: var(--filemaya-info);
}

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
    .filemaya-upload-container {
        padding: 0 16px;
        margin: 24px auto;
    }

    .filemaya-dropzone {
        padding: 48px 24px;
    }

    .filemaya-upload-title {
        font-size: 28px;
    }

    .filemaya-upload-icon {
        width: 72px;
        height: 72px;
    }

    .filemaya-dropzone-text {
        font-size: 18px;
    }

    .filemaya-btn {
        padding: 12px 24px;
        font-size: 15px;
    }

    .filemaya-upload-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .filemaya-file-header {
        flex-direction: row;
    }

    .filemaya-file-item {
        padding: 16px;
    }

    .filemaya-summary-stats {
        grid-template-columns: 1fr;
    }

    .filemaya-notification {
        right: 16px;
        left: 16px;
        top: 16px;
    }

    .filemaya-file-links {
        flex-direction: column;
    }

    .filemaya-link-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .filemaya-upload-title {
        font-size: 24px;
    }

    .filemaya-dropzone {
        padding: 32px 16px;
    }

    .filemaya-file-icon {
        width: 40px;
        height: 40px;
    }

    .filemaya-file-icon svg {
        width: 24px;
        height: 24px;
    }
}

/* ===================================
   DARK MODE SUPPORT (Optional)
   =================================== */
@media (prefers-color-scheme: dark) {
    :root {
        --filemaya-text: #ecf0f1;
        --filemaya-text-light: #95a5a6;
        --filemaya-bg: #2c3e50;
        --filemaya-bg-light: #34495e;
        --filemaya-border: #4a5f7f;
        --filemaya-border-light: #3d5267;
    }

    .filemaya-dropzone {
        background: linear-gradient(135deg, var(--filemaya-bg-light) 0%, var(--filemaya-bg) 100%);
    }

    .filemaya-file-item {
        background: var(--filemaya-bg-light);
    }
}