@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0, transparent 50%),
        radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.15) 0, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Search Bar */
.search-container {
    margin-bottom: 3rem;
    display: flex;
    justify-content: center;
}

.search-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
}

.search-input {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: var(--glass-shadow);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.1);
}

/* Tool Grid */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tool-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    background: rgba(30, 41, 59, 0.9);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.tool-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.tool-name {
    font-weight: 700;
    font-size: 1.25rem;
}

.tool-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Tool Detail View */
#tool-detail {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 2rem;
    cursor: pointer;
    transition: color 0.2s;
}

.back-btn:hover {
    color: var(--text-primary);
}

.tool-interface {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

textarea {
    width: 100%;
    height: 300px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: #e2e8f0;
    padding: 1rem;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.9rem;
    resize: vertical;
    margin-bottom: 1.5rem;
    transition: border-color 0.3s;
}

textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.action-btn {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
}

.action-btn:hover {
    opacity: 0.9;
}

.action-btn:active {
    transform: scale(0.98);
}

.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.result-stat {
    margin-top: 1rem;
    color: var(--accent-color);
    font-weight: 500;
}

/* Form Elements */
label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.key-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
}

.key-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.delete-btn {
    background: #ef4444;
    color: white;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: opacity 0.2s;
}

.delete-btn:hover {
    opacity: 0.8;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}