:root {
    --leaf-1: #16a34a;
    --leaf-2: #4ade80;
    --leaf-dark: #15803d;
    --gradient-from: #22c55e;
    --gradient-to: #0ea5a8;
    --soft-bg: #f0fdf4;
    --card-border: #e2f2e6;
    --body-bg: #f6fbf7;
    --text-color: #27402f;
}

body {
    background-color: var(--body-bg);
    background-image:
        radial-gradient(circle at 15% 15%, rgba(74, 222, 128, 0.10), transparent 45%),
        radial-gradient(circle at 85% 75%, rgba(14, 165, 168, 0.08), transparent 45%);
    background-attachment: fixed;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--text-color);
}

/* Gradient text */
.text-gradient {
    background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* Navbar */
.brand-icon {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
    color: #fff;
    border-radius: 10px;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.35);
}
.brand-icon.small { width: 30px; height: 30px; font-size: 0.95rem; border-radius: 8px; }
.navbar .nav-link { color: #4a6b56; font-weight: 500; border-radius: 8px; transition: all 0.2s; }
.navbar .nav-link:hover { color: var(--gradient-from); background: var(--soft-bg); }
.navbar .nav-link.active { color: var(--gradient-from); background: var(--soft-bg); font-weight: 600; }

.btn-soft {
    background: var(--soft-bg) !important;
    color: var(--gradient-from) !important;
    border: 1px solid #d6f2dd !important;
    border-radius: 10px;
    font-weight: 500;
}
.btn-soft:hover { background: #e0f9e7 !important; }

/* Hero */
.hero {
    padding: 4.5rem 0 3rem;
    background:
        radial-gradient(circle at 20% 20%, rgba(74, 222, 128, 0.14), transparent 40%),
        radial-gradient(circle at 80% 60%, rgba(14, 165, 168, 0.12), transparent 40%);
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.1rem;
    background: #fff;
    border: 1px solid var(--card-border);
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.10);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gradient-from);
}
.btn-primary {
    background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
    border: none;
    border-radius: 10px;
    font-weight: 600;
    box-shadow: 0 6px 16px rgba(34, 197, 94, 0.30);
}
.btn-primary:hover, .btn-primary:focus { background: linear-gradient(135deg, #17b355, #0d999c); }
.btn-outline-secondary, .btn-outline-danger, .btn-success {
    border-radius: 10px;
    font-weight: 600;
}

/* Cards */
.obfuscator-card {
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(22, 120, 60, 0.12) !important;
}

/* Input */
.code-input {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    border-radius: 12px;
    border: 1px solid #dcebdf;
    background: #fbfdfb;
    resize: vertical;
    min-height: 250px;
}
.code-input:focus { border-color: var(--gradient-from); box-shadow: 0 0 0 0.2rem rgba(34,197,94,0.15); background: #fff; }

/* Tabs */
.nav-pills .nav-link {
    color: #4a6b56;
    font-weight: 500;
    border-radius: 10px;
    padding: 0.6rem 1.2rem;
}
.nav-pills .nav-link.active {
    background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
    color: #fff;
    box-shadow: 0 4px 12px rgba(34,197,94,0.3);
}

/* File zone */
.file-zone {
    border: 2px dashed #bbdfc4;
    border-radius: 16px;
    padding: 3rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #fbfdfb;
}
.file-zone:hover, .file-zone.dragover {
    border-color: var(--gradient-from);
    background: var(--soft-bg);
}
.file-zone-icon { font-size: 3rem; color: var(--gradient-from); display: block; margin-bottom: 0.75rem; }

/* Options box */
.options-box {
    background: #fbfdfb;
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.25rem;
}

/* Stats */
.stats { background: #fbfdfb; border-radius: 16px; border: 1px solid var(--card-border); padding: 1rem; }
.stat-box { background: #fff; border: 1px solid var(--card-border); border-radius: 12px; padding: 0.75rem; height: 100%; }
.stat-value { display: block; font-size: 1.3rem; font-weight: 700; color: var(--gradient-from); }
.stat-label { font-size: 0.75rem; color: #7ba287; text-transform: uppercase; letter-spacing: 0.5px; }

/* Output */
.output-wrap {
    border: 1px solid var(--card-border);
    border-radius: 12px;
    max-height: 400px;
    overflow: auto;
    background: #fbfdfb;
}
.output-pre {
    margin: 0;
    padding: 1.25rem;
    font-size: 0.82rem;
    line-height: 1.5;
}
.output-pre code { white-space: pre-wrap; word-break: break-word; }

/* Features */
.features { background: #ffffff; }
.feature-card {
    padding: 1.75rem 1.25rem;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    transition: transform 0.2s, box-shadow 0.2s;
    background: #fff;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 16px 32px rgba(22,120,60,0.14); }
.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
    color: #fff;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

/* Steps */
.bg-white { background: #fff !important; }
.step-card { padding: 2rem 1.5rem; border-radius: 16px; border: 1px solid var(--card-border); background: #fbfdfb; }
.step-number {
    width: 52px; height: 52px;
    margin: 0 auto 1rem;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-from), var(--gradient-to));
    color: #fff; font-weight: 700; font-size: 1.3rem;
}

/* Scrollspy */
.hero, #obfuscator, #fitur, #cara {
    scroll-margin-top: 76px;
}

/* Footer */
.footer { background: #fff; border-top: 1px solid var(--card-border); }
.footer-link { color: var(--gradient-from); text-decoration: none; font-weight: 500; }
.footer-link:hover { text-decoration: underline; }

/* Toast */
#toast { z-index: 1100; border-radius: 12px; }

@media (max-width: 576px) {
    .hero { padding: 3rem 0 2rem; }
    h1 { font-size: 1.7rem !important; }
}