/* --- MODERN UI STYLES --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap');

:root {
    --primary-color: #007bff;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #fd7e14;
    --light-grey: #f4f7f9;
    --medium-grey: #e9ecef;
    --dark-grey: #6c757d;
    --text-color: #212529;
    --border-radius: 12px;
    --box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    --highlight-color: #ffc107;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--light-grey);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 1rem;
}

.main-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
}

.simulation-panel, .info-panel {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

h1, h2 {
    margin-top: 0;
    color: var(--primary-color);
    text-align: center;
}

h2 {
    font-size: 1.2rem;
    color: var(--text-color);
    border-bottom: 2px solid var(--medium-grey);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

#array-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2rem 0;
    min-height: 80px;
    position: relative;
}

.array-element {
    position: relative;
    border: 2px solid #ccc;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 8px;
    font-size: 1.5rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.4s ease;
}

.value { z-index: 10; }

.pointers {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 4px;
    height: 24px;
}

.pointer-icon {
    width: 24px;
    height: 24px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.mid { background-color: var(--primary-color); color: white; border-color: var(--primary-color); }
.found { background-color: var(--success-color); color: white; border-color: var(--success-color); transform: scale(1.1) translateY(-5px); }
.inactive { opacity: 0.3; background-color: var(--medium-grey); border-color: #ccc; }

.infographic {
    background: var(--light-grey);
    border: 1px solid var(--medium-grey);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    font-family: 'Courier New', Courier, monospace;
    text-align: center;
}

.infographic .title {
    display: block;
    font-weight: bold;
    font-family: 'Inter', sans-serif;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

#complexity-info .value {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.controls { display: flex; flex-direction: column; gap: 1rem; }

#target-input {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border-radius: 8px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

.button-group {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 0.5rem;
    align-items: center;
}

button {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    cursor: pointer;
    color: white;
    border: none;
    border-radius: 8px;
    transition: background-color 0.2s, transform 0.1s;
}

#search-btn { background-color: var(--primary-color); }
#reset-btn { background-color: var(--dark-grey); }
#mute-btn {
    background-color: var(--success-color);
    padding: 0.5rem;
    width: 45px;
    height: 45px;
}

button:disabled { background-color: #9e9e9e; cursor: not-allowed; }
button:hover:not(:disabled) { transform: translateY(-2px); }

#speed-slider { width: 100%; }

#status-log {
    background-color: #212529;
    color: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 1rem;
    min-height: 150px;
    text-align: left;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    overflow-y: auto;
}
#status-log p { margin: 0 0 0.5rem 0; padding: 4px; border-radius: 4px; transition: background-color 0.3s ease; }

.highlight-speech {
    background-color: var(--highlight-color) !important;
    color: #212529 !important;
}