/* ============================================
   BlueOrbit Solutions - Free Online Tools
   Shared Styles for All Calculator Pages
   ============================================ */

:root {
    --tool-primary: #6366f1;
    --tool-primary-light: #818cf8;
    --tool-primary-dark: #4f46e5;
    --tool-accent: #22c55e;
    --tool-bg: #0f172a;
    --tool-surface: #1e293b;
    --tool-surface-2: #334155;
    --tool-border: #475569;
    --tool-text: #f1f5f9;
    --tool-text-muted: #94a3b8;
    --tool-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --tool-gradient-green: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    --tool-gradient-blue: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    --tool-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    --tool-radius: 16px;
    --tool-radius-sm: 10px;
    --tool-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tool Page Layout */
.tool-page {
    min-height: 100vh;
    background: var(--tool-bg);
    padding-top: 80px;
}

/* Tool Hero */
.tool-hero {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, transparent 100%);
    padding: 60px 0 40px;
    text-align: center;
}

.tool-hero .container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.tool-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.875rem;
    color: var(--tool-text-muted);
}

.tool-breadcrumb a {
    color: var(--tool-primary-light);
    text-decoration: none;
    transition: var(--tool-transition);
}

.tool-breadcrumb a:hover {
    color: var(--tool-primary);
}

.tool-breadcrumb span {
    color: var(--tool-text-muted);
}

.tool-hero h1 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--tool-text);
    margin-bottom: 12px;
    line-height: 1.2;
}

.tool-hero h1 .gradient-text {
    background: var(--tool-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-hero p {
    font-size: 1.1rem;
    color: var(--tool-text-muted);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Tool Container */
.tool-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

/* Tool Card */
.tool-card {
    background: var(--tool-surface);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius);
    padding: 40px;
    box-shadow: var(--tool-shadow);
    margin-bottom: 32px;
}

.tool-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--tool-border);
}

.tool-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--tool-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tool-card-header h2 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--tool-text);
    margin: 0;
}

.tool-card-header p {
    font-size: 0.9rem;
    color: var(--tool-text-muted);
    margin: 4px 0 0;
}

/* Form Elements */
.tool-form-group {
    margin-bottom: 24px;
}

.tool-form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--tool-text);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.tool-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.tool-form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.tool-input,
.tool-select {
    width: 100%;
    padding: 14px 18px;
    background: var(--tool-bg);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-sm);
    color: var(--tool-text);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: var(--tool-transition);
    outline: none;
}

.tool-input:focus,
.tool-select:focus {
    border-color: var(--tool-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.tool-input::placeholder {
    color: var(--tool-text-muted);
}

.tool-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.tool-select option {
    background: var(--tool-surface);
    color: var(--tool-text);
}

/* Buttons */
.tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border: none;
    border-radius: var(--tool-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: var(--tool-transition);
    outline: none;
    text-decoration: none;
}

.tool-btn-primary {
    background: var(--tool-gradient);
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.tool-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

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

.tool-btn-secondary {
    background: var(--tool-surface-2);
    color: var(--tool-text);
    border: 1px solid var(--tool-border);
}

.tool-btn-secondary:hover {
    background: var(--tool-border);
}

.tool-btn-full {
    width: 100%;
}

.tool-btn-group {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

/* Results */
.tool-result {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--tool-radius);
    padding: 32px;
    margin-top: 32px;
    display: none;
}

.tool-result.active {
    display: block;
    animation: fadeInUp 0.4s ease;
}

.tool-result-title {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tool-primary-light);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tool-result-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.tool-result-item {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--tool-radius-sm);
    padding: 20px;
    text-align: center;
}

.tool-result-item .label {
    font-size: 0.8rem;
    color: var(--tool-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.tool-result-item .value {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--tool-text);
}

.tool-result-item .value.highlight {
    background: var(--tool-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-result-item .unit {
    font-size: 0.85rem;
    color: var(--tool-text-muted);
    margin-top: 4px;
}

.tool-result-single {
    text-align: center;
    padding: 24px;
}

.tool-result-single .big-value {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    background: var(--tool-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.tool-result-single .big-label {
    font-size: 1rem;
    color: var(--tool-text-muted);
    margin-top: 8px;
}

/* Result Table */
.tool-result-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.tool-result-table th,
.tool-result-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid rgba(71, 85, 105, 0.5);
    font-size: 0.9rem;
}

.tool-result-table th {
    color: var(--tool-text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tool-result-table td {
    color: var(--tool-text);
}

.tool-result-table tr:last-child td {
    border-bottom: none;
    font-weight: 700;
    color: var(--tool-primary-light);
}

/* Progress / Gauge */
.tool-gauge {
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
    position: relative;
}

.tool-gauge svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.tool-gauge-bg {
    fill: none;
    stroke: var(--tool-surface-2);
    stroke-width: 12;
}

.tool-gauge-fill {
    fill: none;
    stroke-width: 12;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease, stroke 0.5s ease;
}

.tool-gauge-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.tool-gauge-value {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--tool-text);
}

.tool-gauge-label {
    font-size: 0.85rem;
    color: var(--tool-text-muted);
}

/* Tabs */
.tool-tabs {
    display: flex;
    gap: 4px;
    background: var(--tool-bg);
    border-radius: var(--tool-radius-sm);
    padding: 4px;
    margin-bottom: 28px;
    overflow-x: auto;
}

.tool-tab {
    flex: 1;
    padding: 12px 20px;
    border: none;
    background: transparent;
    color: var(--tool-text-muted);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    border-radius: 8px;
    transition: var(--tool-transition);
    white-space: nowrap;
    text-align: center;
}

.tool-tab.active {
    background: var(--tool-gradient);
    color: #fff;
}

.tool-tab:hover:not(.active) {
    color: var(--tool-text);
    background: var(--tool-surface-2);
}

.tool-tab-content {
    display: none;
}

.tool-tab-content.active {
    display: block;
    animation: fadeInUp 0.3s ease;
}

/* Info Section */
.tool-info {
    background: var(--tool-surface);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius);
    padding: 40px;
    margin-top: 32px;
}

.tool-info h2 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tool-text);
    margin-bottom: 16px;
}

.tool-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--tool-text);
    margin: 24px 0 12px;
}

.tool-info p {
    font-size: 0.95rem;
    color: var(--tool-text-muted);
    line-height: 1.7;
    margin-bottom: 12px;
}

.tool-info ul {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
}

.tool-info ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: var(--tool-text-muted);
    line-height: 1.6;
}

.tool-info ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--tool-accent);
    font-weight: 700;
}

/* Other Tools Navigation */
.tool-other-tools {
    margin-top: 48px;
}

.tool-other-tools h2 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tool-text);
    margin-bottom: 24px;
    text-align: center;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.tool-grid-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px;
    background: var(--tool-surface);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-sm);
    text-decoration: none;
    transition: var(--tool-transition);
}

.tool-grid-item:hover {
    border-color: var(--tool-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.2);
}

.tool-grid-item .icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--tool-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.tool-grid-item .info h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--tool-text);
    margin: 0 0 4px;
}

.tool-grid-item .info p {
    font-size: 0.8rem;
    color: var(--tool-text-muted);
    margin: 0;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .tool-hero {
        padding: 40px 0 24px;
    }

    .tool-hero h1 {
        font-size: 1.8rem;
    }

    .tool-hero p {
        font-size: 1rem;
    }

    .tool-card {
        padding: 24px;
    }

    .tool-form-row,
    .tool-form-row-3 {
        grid-template-columns: 1fr;
    }

    .tool-result-grid {
        grid-template-columns: 1fr 1fr;
    }

    .tool-result-single .big-value {
        font-size: 2.2rem;
    }

    .tool-result-item .value {
        font-size: 1.3rem;
    }

    .tool-btn-group {
        flex-direction: column;
    }

    .tool-tabs {
        gap: 2px;
    }

    .tool-tab {
        padding: 10px 14px;
        font-size: 0.8rem;
    }

    .tool-grid {
        grid-template-columns: 1fr 1fr;
    }

    .tool-info {
        padding: 24px;
    }

    .tool-container {
        padding: 0 16px 60px;
    }
}

@media (max-width: 480px) {
    .tool-hero h1 {
        font-size: 1.5rem;
    }

    .tool-card {
        padding: 20px;
    }

    .tool-result-grid {
        grid-template-columns: 1fr;
    }

    .tool-grid {
        grid-template-columns: 1fr;
    }

    .tool-result-table th,
    .tool-result-table td {
        padding: 10px 8px;
        font-size: 0.8rem;
    }
}