/* Enhanced Professional CSS */

/* CSS Custom Properties & Design System */
:root {
    /* Brand Colors */
    --dw-blue: #007cba;
    --dw-blue-light: #1a8bc7;
    --dw-blue-dark: #005a8a;
    --dw-blue-pale: #e6f4f9;
    
    /* Neutral Palette */
    --dark-grey: #333333;
    --dark-grey-light: #404040;
    --medium-grey: #767676;
    --medium-grey-light: #8a8a8a;
    --light-grey: #f0f0f0;
    --light-grey-dark: #e8e8e8;
    --background: #ffffff;
    --surface: #ffffff;
    --surface-elevated: #fafafa;
    --border: #e0e0e0;
    --border-light: #eeeeee;
    --border-dark: #d0d0d0;
    
    /* Status Colors */
    --status-success: #1e8e3e;
    --status-success-light: #2ea043;
    --status-success-bg: #f0f9ff;
    --status-warning: #f9ab00;
    --status-warning-light: #fbb900;
    --status-warning-bg: #fffbf0;
    --status-danger: #d93025;
    --status-danger-light: #dc3545;
    --status-danger-bg: #fff5f5;
    
    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 2.5rem;
    --space-3xl: 3rem;
    
    /* Typography Scale */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Font Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 2px 5px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-xs: 0.125rem;
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.1s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
    --transition-bounce: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-Index Scale */
    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 1000;
    --z-popover: 1100;
    --z-tooltip: 1200;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --background: #1a1a1a;
        --surface: #2d2d2d;
        --surface-elevated: #3a3a3a;
        --light-grey: #2d2d2d;
        --light-grey-dark: #262626;
        --border: #404040;
        --border-light: #333333;
        --border-dark: #4d4d4d;
        --dark-grey: #e0e0e0;
        --dark-grey-light: #f0f0f0;
        --medium-grey: #b0b0b0;
        --medium-grey-light: #c0c0c0;
        --dw-blue-pale: #1a2d3a;
    }
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--light-grey);
    color: var(--dark-grey);
    margin: 0;
    line-height: 1.6;
    font-size: var(--font-size-base);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Enhanced Header */
header {
    background: linear-gradient(135deg, var(--surface), var(--surface-elevated));
    color: var(--dark-grey);
    padding: var(--space-md) var(--space-xl);
    display: flex;
    align-items: center;
    border-bottom: 3px solid var(--border);
    position: relative;
    box-shadow: var(--shadow-sm);
}

header::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--dw-blue), var(--dw-blue-light));
    animation: headerAccent 2s ease-in-out infinite alternate;
}

@keyframes headerAccent {
    0% { width: 100px; }
    100% { width: 200px; }
}

.logo {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-2xl);
    border: 3px solid var(--dark-grey);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 124, 186, 0.1), transparent);
    transition: left var(--transition-slow);
}

.logo:hover {
    border-color: var(--dw-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.logo:hover::before {
    left: 100%;
}

.header-text {
    margin-left: var(--space-lg);
}

header h1 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--dw-blue);
    position: relative;
}

header p {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--medium-grey);
    font-weight: var(--font-weight-medium);
}

/* Enhanced Main Layout */
main {
    max-width: 1400px;
    margin: var(--space-xl) auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    flex: 1;
}

/* Responsive Design */
@media (max-width: 1024px) {
    main {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        margin: var(--space-lg) auto;
    }
}

@media (max-width: 768px) {
    header {
        padding: var(--space-md);
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
    
    .header-text {
        margin-left: 0;
    }
    
    main {
        padding: 0 var(--space-md);
    }
    
    .logo {
        font-size: var(--font-size-xl);
    }
}

/* Enhanced Card Styling */
.tool-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--space-lg) var(--space-xl);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--dw-blue), var(--dw-blue-light));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--dw-blue-pale);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.wide-card {
    grid-column: 1 / -1;
}

.tool-card h2 {
    font-size: var(--font-size-xl);
    margin: 0 0 var(--space-lg);
    color: var(--dark-grey);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: var(--font-weight-semibold);
    position: relative;
}

.tool-card h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--dw-blue);
    border-radius: var(--radius-sm);
}

.tool-card h2 i {
    color: var(--dw-blue);
    font-size: var(--font-size-lg);
}

/* Enhanced Form Elements */
textarea, input, select {
    width: 100%;
    font-family: inherit;
    font-size: var(--font-size-base);
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    box-sizing: border-box;
    transition: all var(--transition-base);
    background-color: var(--surface);
    color: var(--dark-grey);
}

textarea:focus, input:focus, select:focus {
    outline: none;
    border-color: var(--dw-blue);
    box-shadow: 0 0 0 3px rgba(0, 124, 186, 0.1);
    background-color: var(--surface-elevated);
}

textarea:hover, input:hover, select:hover {
    border-color: var(--dw-blue-light);
}

textarea::placeholder, input::placeholder {
    color: var(--medium-grey);
}

textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

/* Enhanced Button Styling */
button {
    background: linear-gradient(135deg, var(--dw-blue), var(--dw-blue-light));
    color: var(--surface);
    font-weight: var(--font-weight-semibold);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    width: 100%;
    transition: all var(--transition-base);
    font-size: var(--font-size-base);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

button:hover {
    background: linear-gradient(135deg, var(--dw-blue-dark), var(--dw-blue));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

button:hover::before {
    left: 100%;
}

button:active {
    transform: translateY(0);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

button i {
    margin-right: var(--space-sm);
}

/* Enhanced Monitor Dashboard */
.monitor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    text-align: center;
}

.monitor-widget {
    background: var(--surface-elevated);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.monitor-widget::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--dw-blue);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.monitor-widget:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.monitor-widget:hover::before {
    transform: scaleX(1);
}

.monitor-widget h3 {
    font-size: var(--font-size-base);
    color: var(--medium-grey);
    margin: 0 0 var(--space-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.monitor-widget p, .monitor-widget .status-indicator {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin: 0;
    transition: all var(--transition-base);
}

.status-indicator.ok {
    color: var(--status-success);
    text-shadow: 0 0 10px rgba(30, 142, 62, 0.3);
}

.status-indicator.warning {
    color: var(--status-warning);
    text-shadow: 0 0 10px rgba(249, 171, 0, 0.3);
    animation: pulse 2s infinite;
}

.status-indicator.danger {
    color: var(--status-danger);
    text-shadow: 0 0 10px rgba(217, 48, 37, 0.3);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Enhanced Result Area */
.result-area {
    margin-top: auto;
    padding-top: var(--space-lg);
    font-size: var(--font-size-sm);
    border-top: 1px solid var(--border-light);
}

.result-area h4 {
    margin: 0 0 var(--space-sm);
    color: var(--dark-grey);
    font-weight: var(--font-weight-semibold);
}

.result-area ul {
    margin: 0;
    padding-left: var(--space-lg);
    list-style: none;
}

.result-item {
    color: var(--medium-grey);
    margin-bottom: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    transition: all var(--transition-base);
}

.result-item:hover {
    color: var(--dark-grey);
    transform: translateX(4px);
}

.result-item .fa-check-circle {
    color: var(--status-success);
}

.result-item .fa-times-circle {
    color: var(--status-danger);
}

.result-item .fa-question-circle {
    color: var(--status-warning);
}

/* Enhanced Project Feed */
.project-feed {
    flex-grow: 1;
}

.project-item {
    padding: var(--space-lg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    background: var(--surface);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.project-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--dw-blue);
    transform: scaleY(0);
    transition: transform var(--transition-base);
}

.project-item:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    border-color: var(--dw-blue-pale);
}

.project-item:hover::before {
    transform: scaleY(1);
}

.project-item .title {
    font-weight: var(--font-weight-semibold);
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--dark-grey);
    font-size: var(--font-size-lg);
}

.project-item .progress-label {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--medium-grey);
    margin-bottom: var(--space-xs);
    font-weight: var(--font-weight-medium);
}

.project-item .progress-bar {
    height: 8px;
    background: var(--light-grey);
    border-radius: var(--radius-md);
    margin-top: var(--space-xs);
    overflow: hidden;
    position: relative;
}

.project-item .progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 2s infinite;
}

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

.project-item .progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--dw-blue), var(--dw-blue-light));
    border-radius: var(--radius-md);
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.project-item .progress-bar-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: progressShine 1.5s infinite;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }

.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.text-sm { font-size: var(--font-size-sm); }
.text-lg { font-size: var(--font-size-lg); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

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

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border: #000000;
        --border-light: #000000;
        --medium-grey: #000000;
    }
    
    .tool-card, .project-item, .monitor-widget {
        border: 2px solid var(--border);
    }
}

/* Print Styles */
@media print {
    header {
        background: white !important;
        color: black !important;
        border-bottom: 2px solid black !important;
    }
    
    .tool-card, .project-item, .monitor-widget {
        box-shadow: none !important;
        border: 1px solid black !important;
    }
}