/* styles.css - Professional, responsive, modern design */

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

:root {
    --primary: #4361ee;
    --primary-dark: #3a0ca3;
    --secondary: #4cc9f0;
    --success: #06d6a0;
    --warning: #f9c74f;
    --danger: #f94144;
    --dark: #2b2d42;
    --gray: #8d99ae;
    --light: #edf2f4;
    --white: #ffffff;
    --shadow: 0 10px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.02);
    --radius: 16px;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo i {
    font-size: 32px;
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo h1 {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo h1 span {
    font-weight: 500;
    color: var(--primary);
}

nav {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--primary);
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--light);
    border-radius: 40px;
    padding: 8px 16px;
    gap: 8px;
}

.search-box i {
    color: var(--gray);
}

.search-box input {
    border: none;
    background: none;
    outline: none;
    font-size: 14px;
    width: 200px;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(255,255,255,0.85));
    border-radius: var(--radius);
    padding: 48px 32px;
    text-align: center;
    margin: 32px 0;
    backdrop-filter: blur(10px);
}

.hero h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 18px;
    color: var(--gray);
}

/* Tools Grid */
.tool-category {
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 32px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.category-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 20px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-header h3 {
    font-size: 24px;
    font-weight: 600;
}

.category-header h3 i {
    margin-right: 12px;
}

.tool-count {
    background: rgba(255,255,255,0.2);
    padding: 6px 14px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 500;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    padding: 28px;
}

.tool-card {
    background: var(--white);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    text-decoration: none;
    color: var(--dark);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -12px rgba(0,0,0,0.2);
    border-color: var(--primary);
}

.tool-card i {
    font-size: 36px;
    color: var(--primary);
}

.tool-card h4 {
    font-size: 18px;
    font-weight: 600;
}

.tool-card p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.5;
}

.tool-uses {
    font-size: 11px;
    color: var(--gray);
    margin-top: 8px;
}

/* Tool Interface */
.tool-container {
    background: var(--white);
    border-radius: var(--radius);
    margin: 32px 0;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.tool-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 32px;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 40px;
    text-decoration: none;
    color: var(--white);
    margin-bottom: 20px;
    font-size: 14px;
    transition: all 0.3s;
}

.back-btn:hover {
    background: rgba(255,255,255,0.3);
}

.tool-header h2 {
    font-size: 32px;
    margin: 16px 0 8px;
}

.tool-header h2 i {
    margin-right: 12px;
}

.tool-interface {
    padding: 32px;
}

.tool-inputs {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 24px;
}

.tool-inputs textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-family: monospace;
    font-size: 14px;
    resize: vertical;
    transition: border 0.3s;
}

.tool-inputs textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.tool-inputs input, .tool-inputs select {
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    border: none;
    padding: 14px 32px;
    border-radius: 40px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.result-area {
    margin-top: 32px;
    background: #f8fafc;
    border-radius: 12px;
    padding: 20px;
    border-left: 4px solid var(--primary);
}

.result-area h3 {
    margin-bottom: 16px;
    color: var(--primary);
}

.result-content {
    font-family: monospace;
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
}

.btn-copy {
    margin-top: 16px;
    background: var(--success);
    color: var(--white);
    border: none;
    padding: 8px 20px;
    border-radius: 40px;
    cursor: pointer;
    font-size: 14px;
}

/* Footer */
footer {
    background: var(--dark);
    color: var(--white);
    text-align: center;
    padding: 32px 0;
    margin-top: 48px;
}

footer p {
    margin: 8px 0;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 28px;
    }
    .tools-grid {
        grid-template-columns: 1fr;
    }
    .category-header {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    header .container {
        flex-direction: column;
    }
}