/* Tool Layout System - Premium Glass Theme */
:root {
    --header-height: 70px;
    --sidebar-width: 260px;
    --content-max-width: 1600px;
}

body.tool-page {
    margin: 0;
    padding: 0;
    background: var(--bg-dark);
    color: #f8fafc;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    overflow-x: hidden;
}

.tool-layout {
    display: flex;
    min-height: 100vh;
    padding-top: var(--header-height);
    position: relative;
}

/* Sidebar */
.tool-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-glass-strong);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-light);
    position: fixed;
    left: 0;
    top: var(--header-height);
    bottom: 0;
    overflow-y: auto;
    padding: 24px 0;
    z-index: 900;
    transition: transform var(--transition-normal);
}

/* Content Area */
.tool-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 40px;
    max-width: var(--content-max-width);
    width: 100%;
    transition: margin-left var(--transition-normal);
}

/* Header */
.tool-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-glass-strong);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

/* Title Card */
.tool-title-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 24px;
    position: relative;
    overflow: hidden;
}

.tool-title-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
}

.tool-icon {
    font-size: 40px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid var(--border-light);
}

.tool-info h1 {
    margin: 0 0 8px;
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-info p {
    margin: 0;
    color: #94a3b8;
    font-size: 16px;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 0 20px 0;
    font-size: 14px;
    color: #94a3b8;
}

.breadcrumb a {
    color: #94a3b8;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.breadcrumb i {
    font-size: 12px;
    opacity: 0.5;
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .tool-sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }

    .tool-sidebar.active {
        transform: translateX(0);
    }

    .tool-content {
        margin-left: 0;
        padding: 20px;
    }

    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        z-index: 800;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

@media (max-width: 768px) {
    .tool-header {
        padding: 0 15px;
    }

    .tool-title-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        gap: 16px;
    }

    .tool-icon {
        width: 60px;
        height: 60px;
        font-size: 30px;
    }

    .tool-info h1 {
        font-size: 24px;
    }

    .tool-info p {
        font-size: 14px;
    }
}