/**
 * Esyasoft Unified Utility Cloud (UUC) KPI Card Styles
 * Enterprise Analytics & Metric Presentation
 * Aligned with Ant Design and Material-UI design tokens
 */

/* ==========================================================================
   Root KPI Card Base
   ========================================================================== */
.uuc-kpi-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-sizing: border-box;
    padding: var(--uuc-kpi-padding, 20px);
    background-color: var(--uuc-kpi-bg, #ffffff);
    border: 1px solid var(--uuc-kpi-border, #e5e7eb);
    border-radius: var(--uuc-kpi-radius, 10px);
    font-family: var(--uuc-font-primary, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

/* ==========================================================================
   Variants
   ========================================================================== */
/* Standard Variant */
.uuc-kpi-card--standard {
    background-color: #ffffff;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
}

.uuc-kpi-card--standard:hover {
    border-color: #d1d5db;
    box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.05);
}

/* Elevated Variant (Material-UI Inspired) */
.uuc-kpi-card--elevated {
    background-color: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.07);
}

.uuc-kpi-card--elevated:hover {
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
}

/* Bordered Variant (Flat) */
.uuc-kpi-card--bordered {
    background-color: #ffffff;
    border: 1.5px solid #e5e7eb;
    box-shadow: none;
}

/* Filled / Tinted Variant */
.uuc-kpi-card--filled {
    border: 1px solid transparent;
}
.uuc-kpi-card--filled.uuc-kpi--color-primary {
    background-color: #f0f7ff;
    border-color: #bae0ff;
}
.uuc-kpi-card--filled.uuc-kpi--color-success {
    background-color: #f0fdf4;
    border-color: #bbf7d0;
}
.uuc-kpi-card--filled.uuc-kpi--color-warning {
    background-color: #fffbeb;
    border-color: #fef3c7;
}
.uuc-kpi-card--filled.uuc-kpi--color-danger {
    background-color: #fef2f2;
    border-color: #fecaca;
}
.uuc-kpi-card--filled.uuc-kpi--color-info {
    background-color: #f0f9ff;
    border-color: #bae6fd;
}
.uuc-kpi-card--filled.uuc-kpi--color-neutral {
    background-color: #f9fafb;
    border-color: #e5e7eb;
}
.uuc-kpi-card--filled.uuc-kpi--color-purple {
    background-color: #faf5ff;
    border-color: #e9d5ff;
}

/* Gradient Variant */
.uuc-kpi-card--gradient {
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
}
.uuc-kpi-card--gradient.uuc-kpi--color-primary {
    background: linear-gradient(135deg, #ffffff 0%, #e6f4ff 100%);
    border-color: #bae0ff;
}
.uuc-kpi-card--gradient.uuc-kpi--color-success {
    background: linear-gradient(135deg, #ffffff 0%, #ecfdf5 100%);
    border-color: #a7f3d0;
}
.uuc-kpi-card--gradient.uuc-kpi--color-warning {
    background: linear-gradient(135deg, #ffffff 0%, #fffbeb 100%);
    border-color: #fde68a;
}
.uuc-kpi-card--gradient.uuc-kpi--color-danger {
    background: linear-gradient(135deg, #ffffff 0%, #fef2f2 100%);
    border-color: #fecaca;
}
.uuc-kpi-card--gradient.uuc-kpi--color-info {
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
    border-color: #bae6fd;
}
.uuc-kpi-card--gradient.uuc-kpi--color-purple {
    background: linear-gradient(135deg, #ffffff 0%, #f3e8ff 100%);
    border-color: #e9d5ff;
}
.uuc-kpi-card--gradient.uuc-kpi--color-neutral {
    background: linear-gradient(135deg, #ffffff 0%, #f3f4f6 100%);
    border-color: #e5e7eb;
}

/* Accent Left Variant */
.uuc-kpi-card--accent-left {
    background-color: #ffffff;
    border: 1px solid #e5e7eb;
    border-left-width: 4px;
}
.uuc-kpi-card--accent-left.uuc-kpi--color-primary { border-left-color: var(--uuc-color-primary, #1677ff); }
.uuc-kpi-card--accent-left.uuc-kpi--color-success { border-left-color: var(--uuc-color-success, #10b981); }
.uuc-kpi-card--accent-left.uuc-kpi--color-warning { border-left-color: var(--uuc-color-warning, #f59e0b); }
.uuc-kpi-card--accent-left.uuc-kpi--color-danger  { border-left-color: var(--uuc-color-danger, #ef4444); }
.uuc-kpi-card--accent-left.uuc-kpi--color-info    { border-left-color: #0ea5e9; }
.uuc-kpi-card--accent-left.uuc-kpi--color-neutral { border-left-color: #6b7280; }
.uuc-kpi-card--accent-left.uuc-kpi--color-purple  { border-left-color: #8b5cf6; }

/* Accent Top Variant */
.uuc-kpi-card--accent-top {
    background-color: #ffffff;
    border: 1px solid #e5e7eb;
    border-top-width: 4px;
}
.uuc-kpi-card--accent-top.uuc-kpi--color-primary { border-top-color: var(--uuc-color-primary, #1677ff); }
.uuc-kpi-card--accent-top.uuc-kpi--color-success { border-top-color: var(--uuc-color-success, #10b981); }
.uuc-kpi-card--accent-top.uuc-kpi--color-warning { border-top-color: var(--uuc-color-warning, #f59e0b); }
.uuc-kpi-card--accent-top.uuc-kpi--color-danger  { border-top-color: var(--uuc-color-danger, #ef4444); }
.uuc-kpi-card--accent-top.uuc-kpi--color-info    { border-top-color: #0ea5e9; }
.uuc-kpi-card--accent-top.uuc-kpi--color-neutral { border-top-color: #6b7280; }
.uuc-kpi-card--accent-top.uuc-kpi--color-purple  { border-top-color: #8b5cf6; }

/* Minimal Variant */
.uuc-kpi-card--minimal {
    background-color: transparent;
    border: none;
    box-shadow: none;
    padding: 12px 14px;
}

/* ==========================================================================
   Header & Title Section
   ========================================================================== */
.uuc-kpi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.uuc-kpi-title-wrap {
    display: inline-flex;
    align-items: center;
    min-width: 0;
}

.uuc-kpi-title {
    display: inline-flex;
    align-items: center;
    color: var(--uuc-color-text-secondary, #6b7280);
    font-size: 0.875rem; /* 14px */
    font-weight: 500;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.uuc-kpi-tooltip-trigger {
    display: inline-flex;
    align-items: center;
    color: #9ca3af;
    cursor: help;
    transition: color 0.15s ease;
}

.uuc-kpi-tooltip-trigger:hover {
    color: #4b5563;
}

.uuc-kpi-header-right {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* ==========================================================================
   Value & Metrics Section
   ========================================================================== */
.uuc-kpi-body {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 6px;
    min-width: 0;
}

.uuc-kpi-value-wrap {
    display: inline-flex;
    align-items: baseline;
    font-family: var(--uuc-font-primary, sans-serif);
    color: var(--uuc-color-text-primary, #111827);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    min-width: 0;
    word-break: break-word;
}

.uuc-kpi-value--sm .uuc-kpi-value { font-size: 1.25rem; /* 20px */ }
.uuc-kpi-value--md .uuc-kpi-value { font-size: 1.75rem; /* 28px */ }
.uuc-kpi-value--lg .uuc-kpi-value { font-size: 2.25rem; /* 36px */ }
.uuc-kpi-value--xl .uuc-kpi-value { font-size: 2.875rem; /* 46px */ }

.uuc-kpi-prefix {
    font-size: 0.65em;
    font-weight: 500;
    margin-right: 4px;
    color: #4b5563;
}

.uuc-kpi-suffix {
    font-size: 0.55em;
    font-weight: 500;
    margin-left: 4px;
    color: #6b7280;
}

/* ==========================================================================
   Icon Container Styling
   ========================================================================== */
.uuc-kpi-icon-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    font-size: 20px;
    flex-shrink: 0;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.uuc-kpi-card:hover .uuc-kpi-icon-container {
    transform: scale(1.05);
}

/* Shapes */
.uuc-kpi-icon--circle {
    border-radius: 50%;
}
.uuc-kpi-icon--rounded {
    border-radius: 10px;
}
.uuc-kpi-icon--square {
    border-radius: 0;
}
.uuc-kpi-icon--none {
    background: transparent !important;
    border: none !important;
    width: auto;
    height: auto;
    padding: 0;
}

/* Subtle Icon Variants (Tinted) */
.uuc-kpi--color-primary .uuc-kpi-icon--subtle {
    background-color: #e6f4ff;
    color: #1677ff;
}
.uuc-kpi--color-success .uuc-kpi-icon--subtle {
    background-color: #ecfdf5;
    color: #10b981;
}
.uuc-kpi--color-warning .uuc-kpi-icon--subtle {
    background-color: #fffbeb;
    color: #f59e0b;
}
.uuc-kpi--color-danger .uuc-kpi-icon--subtle {
    background-color: #fef2f2;
    color: #ef4444;
}
.uuc-kpi--color-info .uuc-kpi-icon--subtle {
    background-color: #f0f9ff;
    color: #0ea5e9;
}
.uuc-kpi--color-neutral .uuc-kpi-icon--subtle {
    background-color: #f3f4f6;
    color: #4b5563;
}
.uuc-kpi--color-purple .uuc-kpi-icon--subtle {
    background-color: #f3e8ff;
    color: #8b5cf6;
}

/* Solid Icon Variants */
.uuc-kpi--color-primary .uuc-kpi-icon--solid {
    background-color: #1677ff;
    color: #ffffff;
}
.uuc-kpi--color-success .uuc-kpi-icon--solid {
    background-color: #10b981;
    color: #ffffff;
}
.uuc-kpi--color-warning .uuc-kpi-icon--solid {
    background-color: #f59e0b;
    color: #ffffff;
}
.uuc-kpi--color-danger .uuc-kpi-icon--solid {
    background-color: #ef4444;
    color: #ffffff;
}
.uuc-kpi--color-info .uuc-kpi-icon--solid {
    background-color: #0ea5e9;
    color: #ffffff;
}
.uuc-kpi--color-neutral .uuc-kpi-icon--solid {
    background-color: #4b5563;
    color: #ffffff;
}
.uuc-kpi--color-purple .uuc-kpi-icon--solid {
    background-color: #8b5cf6;
    color: #ffffff;
}

/* Outlined Icon Variants */
.uuc-kpi-icon--outlined {
    background-color: transparent;
    border: 1.5px solid currentColor;
}

/* Plain Icon Variants */
.uuc-kpi-icon--plain {
    background-color: transparent;
    width: auto;
    height: auto;
    padding: 0;
}

/* Bottom Right Icon Placement */
.uuc-kpi-icon--bottom-right {
    margin-left: 12px;
}

/* ==========================================================================
   Trend & Subtitle / Meta Section
   ========================================================================== */
.uuc-kpi-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}

.uuc-kpi-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 7px;
    border-radius: 4px;
    font-size: 0.75rem; /* 12px */
    font-weight: 600;
    line-height: 1.3;
}

.uuc-kpi-trend--positive {
    background-color: #ecfdf5;
    color: #059669;
}

.uuc-kpi-trend--negative {
    background-color: #fef2f2;
    color: #dc2626;
}

.uuc-kpi-trend--neutral {
    background-color: #f3f4f6;
    color: #4b5563;
}

.uuc-kpi-trend-icon {
    display: inline-flex;
    flex-shrink: 0;
}

.uuc-kpi-trend-label {
    color: #6b7280;
    font-weight: 400;
    margin-left: 2px;
}

.uuc-kpi-subtitle {
    color: #6b7280;
    font-size: 0.8125rem; /* 13px */
    line-height: 1.4;
}

/* ==========================================================================
   Badges
   ========================================================================== */
.uuc-kpi-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.6875rem; /* 11px */
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.4;
}

.uuc-kpi-badge--primary { background-color: #e6f4ff; color: #0958d9; }
.uuc-kpi-badge--success { background-color: #ecfdf5; color: #047857; }
.uuc-kpi-badge--warning { background-color: #fffbeb; color: #b45309; }
.uuc-kpi-badge--danger  { background-color: #fef2f2; color: #b91c1c; }
.uuc-kpi-badge--info    { background-color: #f0f9ff; color: #0369a1; }
.uuc-kpi-badge--neutral { background-color: #f3f4f6; color: #374151; }
.uuc-kpi-badge--purple  { background-color: #f3e8ff; color: #6d28d9; }

/* ==========================================================================
   Progress Bar
   ========================================================================== */
.uuc-kpi-progress-wrap {
    margin-top: 12px;
    width: 100%;
}

.uuc-kpi-progress-bar {
    width: 100%;
    height: 6px;
    background-color: #e5e7eb;
    border-radius: 999px;
    overflow: hidden;
}

.uuc-kpi-progress-fill {
    height: 100%;
    border-radius: 999px;
    transition: width 0.5s ease;
}

.uuc-kpi--color-primary .uuc-kpi-progress-fill { background-color: #1677ff; }
.uuc-kpi--color-success .uuc-kpi-progress-fill { background-color: #10b981; }
.uuc-kpi--color-warning .uuc-kpi-progress-fill { background-color: #f59e0b; }
.uuc-kpi--color-danger  .uuc-kpi-progress-fill { background-color: #ef4444; }
.uuc-kpi--color-info    .uuc-kpi-progress-fill { background-color: #0ea5e9; }
.uuc-kpi--color-neutral .uuc-kpi-progress-fill { background-color: #6b7280; }
.uuc-kpi--color-purple  .uuc-kpi-progress-fill { background-color: #8b5cf6; }

.uuc-kpi-progress-label {
    margin-top: 4px;
    font-size: 0.75rem;
    color: #6b7280;
    text-align: right;
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.uuc-kpi-footer {
    margin-top: 14px;
    padding-top: 10px;
    border-top: 1px solid #f3f4f6;
    font-size: 0.8125rem;
    color: #6b7280;
}

/* ==========================================================================
   Alignments
   ========================================================================== */
.uuc-kpi-card--align-center {
    text-align: center;
}
.uuc-kpi-card--align-center .uuc-kpi-header {
    justify-content: center;
}
.uuc-kpi-card--align-center .uuc-kpi-body {
    justify-content: center;
}
.uuc-kpi-card--align-center .uuc-kpi-meta {
    justify-content: center;
}

.uuc-kpi-card--align-right {
    text-align: right;
}
.uuc-kpi-card--align-right .uuc-kpi-header {
    flex-direction: row-reverse;
}
.uuc-kpi-card--align-right .uuc-kpi-body {
    flex-direction: row-reverse;
}
.uuc-kpi-card--align-right .uuc-kpi-meta {
    justify-content: flex-end;
}

/* ==========================================================================
   Horizontal Layout
   ========================================================================== */
.uuc-kpi-horizontal-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
}

.uuc-kpi-content-column {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.uuc-kpi-content-column .uuc-kpi-header {
    margin-bottom: 2px;
}

.uuc-kpi-content-column .uuc-kpi-body {
    margin-bottom: 0;
}

.uuc-kpi-footer-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}

/* ==========================================================================
   Interactive & Disabled States
   ========================================================================== */
.uuc-kpi-card--interactive {
    cursor: pointer;
    user-select: none;
}

.uuc-kpi-card--interactive:hover {
    border-color: #1677ff;
}

.uuc-kpi-card--interactive:active {
    transform: scale(0.99);
}

.uuc-kpi-card--disabled {
    opacity: 0.55;
    cursor: not-allowed !important;
    pointer-events: none;
}

/* ==========================================================================
   Skeleton Loading Animation
   ========================================================================== */
.uuc-kpi-skeleton {
    width: 100%;
}

.uuc-kpi-skeleton-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.uuc-kpi-skeleton-line {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: uuc-skeleton-pulse 1.5s infinite;
    border-radius: 4px;
}

.uuc-kpi-skeleton-title {
    width: 45%;
    height: 14px;
}

.uuc-kpi-skeleton-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: uuc-skeleton-pulse 1.5s infinite;
}

.uuc-kpi-skeleton-value {
    width: 65%;
    height: 28px;
    margin-bottom: 10px;
}

.uuc-kpi-skeleton-sub {
    width: 80%;
    height: 12px;
}

@keyframes uuc-skeleton-pulse {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ==========================================================================
   KpiCardGroup Grid System
   ========================================================================== */
.uuc-kpi-group {
    display: grid;
    gap: var(--uuc-kpi-gap, 16px);
    width: 100%;
}

.uuc-kpi-group--cols-1 { grid-template-columns: 1fr; }
.uuc-kpi-group--cols-2 { grid-template-columns: repeat(2, 1fr); }
.uuc-kpi-group--cols-3 { grid-template-columns: repeat(3, 1fr); }
.uuc-kpi-group--cols-4 { grid-template-columns: repeat(4, 1fr); }
.uuc-kpi-group--cols-6 { grid-template-columns: repeat(6, 1fr); }

.uuc-kpi-group--autofit {
    grid-template-columns: repeat(auto-fit, minmax(var(--uuc-kpi-col-min, 240px), 1fr));
}

@media (max-width: 992px) {
    .uuc-kpi-group--cols-4,
    .uuc-kpi-group--cols-6 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .uuc-kpi-group--cols-2,
    .uuc-kpi-group--cols-3,
    .uuc-kpi-group--cols-4,
    .uuc-kpi-group--cols-6 {
        grid-template-columns: 1fr;
    }
}