/* Subnet Calculator CSS Stylesheet */

.hero {
    padding: 3rem 1.5rem;
    text-align: center;
    background: #07070a;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.hero .badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(168, 85, 247, 0.1);
    color: #a855f7;
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: 20px;
    font-size: 0.8rem;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    margin-bottom: 1.25rem;
    letter-spacing: 0.05em;
}

.hero h1 {
    font-size: 2.75rem;
    margin-bottom: 10px;
}

.hero .accent {
    color: #a855f7;
}

.hero .subtitle {
    font-size: 1.05rem;
    color: #9ba1b4;
    max-width: 600px;
    margin: 0 auto;
}

/* Calculator Card Frame */
.calculator-card {
    max-width: 900px;
    margin: 3rem auto;
    padding: 2.5rem;
    background: #0f1016;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

/* Input Fields Grid */
.input-panel {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 0.75rem;
    font-family: 'Orbitron', sans-serif;
    color: #5a5f73;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.input-group input,
.input-group select {
    background: #07070a;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    padding: 12px 16px;
    outline: none;
    transition: all 0.25s ease;
}

.input-group input:focus,
.input-group select:focus {
    border-color: #a855f7;
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.15);
}

.error-msg {
    color: #ef4444;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    min-height: 1.25rem;
    margin-bottom: 1rem;
}

/* Results Grid layout */
.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
}

.result-tile {
    background: #07070a;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    padding: 14px 18px;
    min-height: 80px;
}

.result-tile .tile-label {
    font-size: 0.7rem;
    font-family: 'Orbitron', sans-serif;
    color: #5a5f73;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.result-tile .tile-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    word-break: break-all;
}

.text-cyan {
    color: #06b6d4 !important;
}

/* Binary section visualization */
.binary-section {
    background: #07070a;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    padding: 1.5rem;
}

.binary-section h3 {
    font-size: 0.95rem;
    font-family: 'Orbitron', sans-serif;
    color: #a855f7;
    margin-bottom: 1.25rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 8px;
}

.binary-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    align-items: center;
    gap: 1rem;
    padding: 8px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.02);
}

.binary-row:last-child {
    border-bottom: none;
}

.bin-label {
    font-size: 0.75rem;
    font-family: 'Orbitron', sans-serif;
    color: #5a5f73;
    letter-spacing: 0.05em;
}

.bin-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    color: #9ba1b4;
    letter-spacing: 1px;
    word-break: break-all;
}

.text-purple {
    color: #a855f7 !important;
}

/* Footer & Global Elements matching */
footer {
    text-align: center;
    padding: 3rem 1.5rem;
    background: #07070a;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: #5a5f73;
    font-size: 0.9rem;
}

footer a {
    color: #9ba1b4;
    margin: 0 8px;
}

footer a:hover {
    color: #a855f7;
}

/* Responsiveness */
@media (max-width: 768px) {
    .input-panel {
        grid-template-columns: 1fr;
    }
    .results-grid {
        grid-template-columns: 1fr 1fr;
    }
    .binary-row {
        grid-template-columns: 1fr;
        gap: 4px;
        padding: 10px 0;
    }
}

@media (max-width: 500px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
}