:root {
    --bg-color: #f8fafc;
    --text-color: #0f172a;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --primary-color: #0ea5e9;
    --primary-hover: #0284c7;
    --secondary-bg: #f1f5f9;
    --secondary-hover: #e2e8f0;
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    --input-focus: #38bdf8;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

[data-theme="dark"] {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --sidebar-bg: #1e293b;
    --card-bg: #1e293b;
    --border-color: #334155;
    --primary-color: #0ea5e9;
    --primary-hover: #38bdf8;
    --secondary-bg: #334155;
    --secondary-hover: #475569;
    --input-bg: #0f172a;
    --input-border: #475569;
    --input-focus: #38bdf8;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -2px rgb(0 0 0 / 0.5);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
    overflow-x: hidden;
    line-height: 1.6;
}

.app-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.sidebar-header h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.sidebar-header p {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 5px;
    margin-bottom: 0;
}

.sidebar-nav {
    padding: 20px;
    flex: 1;
    overflow-y: auto;
}

.category-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.6;
    margin: 15px 0 10px;
    font-weight: 700;
    color: var(--text-color);
}

.tool-btn {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 12px 15px; /* Slightly more padding for better touch targets */
    border-radius: 8px;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    margin-bottom: 5px;
}

.tool-btn:hover {
    background-color: var(--secondary-bg);
    transform: translateX(2px); /* Subtle hover feedback */
}

.tool-btn.active {
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--primary-color);
    font-weight: 600;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--bg-color); /* Ensure full coverage */
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 15px;
    width: 300px;
    transition: border-color 0.2s ease;
}

.search-bar:focus-within {
    border-color: var(--input-focus);
}

.search-bar i {
    opacity: 0.5;
    margin-right: 10px;
    color: var(--text-color);
}

.search-bar input {
    border: none;
    background: none;
    outline: none;
    width: 100%;
    color: var(--text-color);
    font-family: inherit;
}

.search-bar input::placeholder {
    color: var(--text-color);
    opacity: 0.6;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background-color: var(--secondary-bg);
    color: var(--primary-color);
}

/* Workspace */
.workspace {
    flex: 1;
    overflow-y: auto;
    padding: 30px;
    -webkit-overflow-scrolling: touch;
}

.workspace-inner {
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

.tool-header {
    margin-bottom: 30px;
    text-align: center; /* Center for better dashboard look */
}

.tool-header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.tool-header p {
    opacity: 0.7;
    font-size: 1.1rem;
}

.tool-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start; /* Align cards to top */
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    background-color: var(--input-bg);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.form-control::placeholder {
    color: var(--text-color);
    opacity: 0.6;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    justify-content: flex-end; /* Align buttons to right */
}

.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    min-width: 100px; /* Consistent button width */
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

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

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

/* Results */
.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.result-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-color);
}

.result-actions {
    display: flex;
    gap: 10px;
}

.result-body {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    min-height: 200px;
    overflow-x: auto;
    white-space: pre-wrap; /* Preserve formatting for code/tables */
    line-height: 1.6;
}

.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px; /* Fixed height to match min-height */
    opacity: 0.5;
    font-style: italic;
    color: var(--text-color);
    text-align: center;
}

/* Dashboard Home */
#dashboard-home {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.dashboard-category {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s ease;
}

.dashboard-category:hover {
    box-shadow: var(--shadow);
}

.dashboard-category h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    font-size: 1.1rem;
    font-weight: 600;
}

.dashboard-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dashboard-category li {
    margin-bottom: 10px;
}

.dashboard-category a {
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s ease;
    padding: 8px 0;
    border-radius: 4px;
}

.dashboard-category a:hover {
    color: var(--primary-color);
    background-color: var(--secondary-bg);
    padding-left: 10px;
}

/* Hide form/result cards initially */
#form-card,
#result-card {
    display: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .search-bar {
        width: 250px;
    }
    
    .top-header {
        padding: 15px 20px;
    }
    
    .workspace {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        max-height: 40vh; /* Adjusted for better mobile usability */
        position: relative;
        z-index: 10;
    }
    
    .top-header {
        padding: 15px 20px;
    }
    
    .search-bar {
        width: 100%;
        max-width: 300px;
    }
    
    .tool-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .result-header {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    
    .result-actions {
        justify-content: flex-end;
    }
}

@media (max-width: 480px) {
    .workspace {
        padding: 15px;
    }
    
    .tool-header h1 {
        font-size: 1.5rem;
    }
    
    .card {
        padding: 20px;
    }
}

/* Font Awesome icons - ensure they inherit colors */
i[class*="fa-"] {
    font-size: inherit;
    color: inherit;
}

/* Loading spinner */
.fa-spinner.fa-spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* High contrast mode support (optional accessibility) */
@media (prefers-contrast: high) {
    :root {
        --shadow: 0 4px 8px -1px rgb(0 0 0 / 0.2), 0 2px 4px -2px rgb(0 0 0 / 0.2);
    }
    
    [data-theme="dark"] {
        --shadow: 0 4px 8px -1px rgb(255 255 255 / 0.1), 0 2px 4px -2px rgb(255 255 255 / 0.1);
    }
}/* Root Variables – Dark Glass Theme */
:root {
    --bg-base: #020617;
    --glass-bg: rgba(255, 255, 255, 0.07);
    --glass-border: rgba(255, 255, 255, 0.14);
    --glass-hover: rgba(255, 255, 255, 0.18);
    --accent-cyan: #22d3ee;
    --accent-purple: #c084fc;
    --accent-blue: #3b82f6;
    --text-main: #e2e8f0;
    --text-dim: #94a3b8;
    --shadow: 0 8px 32px rgba(0,0,0,0.35);
}

/* Light mode (optional) */
[data-theme="light"] {
    --bg-base: #f8fafc;
    --glass-bg: rgba(15, 23, 42, 0.04);
    --glass-border: rgba(15, 23, 42, 0.10);
    --glass-hover: rgba(15, 23, 42, 0.08);
    --text-main: #0f172a;
    --text-dim: #64748b;
}

/* Global */
* { margin:0; padding:0; box-sizing:border-box; }
html, body { height:100%; font-family:'Inter',sans-serif; background:var(--bg-base); color:var(--text-main); overflow-x:hidden; }

/* Layout */
.app-layout { display:grid; grid-template-columns:minmax(260px,280px) 1fr; height:100vh; }

.main-area { display:flex; flex-direction:column; }

.sidebar {
    background:var(--glass-bg);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-right:1px solid var(--glass-border);
    overflow-y:auto;
    height:100vh;
    position:sticky;
    top:0;
}

.sidebar-header { padding:2rem 1.5rem; border-bottom:1px solid var(--glass-border); }

.brand { display:flex; align-items:center; gap:12px; }
.brand i { font-size:2.2rem; color:var(--accent-cyan); }
.brand-text h1 { font-size:1.9rem; font-weight:900; margin:0; letter-spacing:-0.5px; }
.brand-text small { font-size:0.8rem; opacity:0.7; text-transform:uppercase; letter-spacing:1.5px; color:var(--text-dim); }

.sidebar-nav { padding:1.5rem; }

/* Topbar */
.topbar {
    position:sticky;
    top:0;
    z-index:100;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:1.25rem 2.5rem;
    background:var(--glass-bg);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--glass-border);
    flex-shrink:0;
}

.search-group { flex:1; max-width:480px; }
.search-field {
    display:flex;
    align-items:center;
    background:rgba(255,255,255,0.06);
    border:1px solid var(--glass-border);
    border-radius:999px;
    padding:0.8rem 1.5rem;
    transition:all 0.3s ease;
}
.search-field:focus-within { border-color:var(--accent-cyan); box-shadow:0 0 0 3px rgba(34,211,238,0.2); }
.search-field input { background:transparent; border:none; outline:none; flex:1; color:var(--text-main); font-size:1rem; }

.btn-icon {
    background:transparent;
    border:none;
    color:var(--text-main);
    font-size:1.35rem;
    cursor:pointer;
    padding:0.8rem;
    border-radius:50%;
    transition:all 0.3s ease;
}
.btn-icon:hover { background:var(--glass-hover); color:var(--accent-cyan); transform:scale(1.15); }

/* Hamburger */
.hamburger {
    display:none;
    flex-direction:column;
    gap:6px;
    cursor:pointer;
    background:none;
    border:none;
    padding:0.8rem;
}
.bar { width:28px; height:3px; background:var(--text-main); border-radius:3px; transition:all 0.3s ease; }
.hamburger.active .bar:nth-child(1) { transform:translateY(9px) rotate(45deg); }
.hamburger.active .bar:nth-child(2) { opacity:0; }
.hamburger.active .bar:nth-child(3) { transform:translateY(-9px) rotate(-45deg); }

/* Content */
.content-area {
    flex:1;
    overflow-y:auto;
    padding:2.5rem 3rem 4rem;
    -webkit-overflow-scrolling:touch;
}

.page-header {
    text-align:center;
    margin-bottom:3.5rem;
}

.page-header h1 {
    font-size:2.8rem;
    font-weight:900;
    margin-bottom:0.8rem;
    background:linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-size:200% auto;
    animation:textLiquidShine 6s linear infinite;
}

@keyframes textLiquidShine { to { background-position:200% center; } }

.page-header p { color:var(--text-dim); font-size:1.1rem; }

/* Tool viewport */
.hidden { display:none !important; }

.tool-viewport {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:2rem;
    align-items:start;
}

.card.glass-card {
    background:var(--glass-bg);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border:1px solid var(--glass-border);
    border-radius:16px;
    padding:2rem;
    box-shadow:var(--shadow);
    transition:all 0.4s ease;
}

.card.glass-card:hover {
    transform:translateY(-8px);
    box-shadow:0 20px 40px rgba(0,0,0,0.45);
}

/* Form & Result */
.form-content { margin-bottom:2.5rem; }

.form-footer {
    display:flex;
    gap:1rem;
    justify-content:flex-end;
    flex-wrap:wrap;
}

.btn {
    padding:0.8rem 2rem;
    border-radius:999px;
    border:none;
    cursor:pointer;
    font-weight:600;
    font-size:0.95rem;
    transition:all 0.3s ease;
}

.btn-primary {
    background:linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color:white;
}

.btn-primary:hover { background:linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)); transform:translateY(-2px); }

.btn-outline {
    background:transparent;
    border:2px solid var(--glass-border);
    color:var(--text-main);
}

.btn-outline:hover {
    border-color:var(--accent-cyan);
    color:var(--accent-cyan);
    transform:translateY(-2px);
}

.result-header {
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:1.8rem;
}

.result-header h2 { margin:0; font-size:1.5rem; }

.result-controls { display:flex; gap:0.8rem; }

.empty-placeholder {
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    min-height:300px;
    color:var(--text-dim);
    gap:1.2rem;
    font-size:1.15rem;
}

.empty-placeholder i { opacity:0.5; }

/* Dashboard */
.dashboard-view {
    margin-top:2rem;
}

/* Mobile */
@media (max-width:1024px) {
    .app-layout { grid-template-columns:1fr; }
    .sidebar {
        position:fixed;
        inset:0 0 0 -100%;
        width:280px;
        height:100vh;
        z-index:1200;
        transition:transform 0.45s ease;
    }
    .sidebar.active { transform:translateX(100%); }
    .hamburger { display:flex; }
    .content-area { padding:1.5rem; }
    .topbar { padding:1rem 1.5rem; flex-wrap:wrap; gap:1rem; }
    .search-group { order:1; width:100%; }
    .search-field { max-width:none; }
}

@media (max-width:1100px) {
    .tool-viewport { grid-template-columns:1fr; gap:1.8rem; }
}