:root {
    --bg-main: #111111;
    --bg-card: #1a1a1a;
    --bg-input: #222222;
    --bg-input-focus: #2a2a2a;
    --border-color: #333333;
    --text-primary: #e0e0e0;
    --text-secondary: #999999;
    --text-accent: #d4b886;
    --btn-bg: #333333;
    --btn-hover: #4a4a4a;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    line-height: 1.6;
}

.app-container {
    width: 100%;
    max-width: 600px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.header h1 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-accent);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.header p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.input-section {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

textarea {
    width: 100%;
    height: 120px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 15px;
    font-size: 1rem;
    font-family: var(--font-body);
    resize: none;
    transition: all 0.3s ease;
}

textarea:focus {
    outline: none;
    background-color: var(--bg-input-focus);
    border-color: var(--text-accent);
}

textarea::placeholder {
    color: var(--text-secondary);
}

.controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

button {
    background-color: var(--btn-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 1rem;
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background-color: var(--btn-hover);
    color: var(--text-accent);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.loader {
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--text-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.hidden {
    display: none !important;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.result-container {
    margin-top: 30px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    animation: slideUp 0.4s ease-out forwards;
}

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

.result-header h2 {
    font-size: 1.2rem;
    color: var(--text-accent);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.result-box {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.result-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.result-item.block {
    align-items: flex-start;
}

.result-label {
    min-width: 120px;
    color: var(--text-secondary);
    font-weight: 600;
}

.badge {
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-primary);
}

.progress-bar {
    flex-grow: 1;
    height: 8px;
    background-color: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    transition: width 0.8s cubic-bezier(0.1, 0.7, 0.1, 1);
}

.prob-text {
    min-width: 50px;
    text-align: right;
    color: var(--text-accent);
    font-weight: 600;
    font-size: 0.95rem;
}

.class-scores {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.class-row {
    display: grid;
    grid-template-columns: 120px 1fr 55px;
    align-items: center;
    gap: 10px;
}

.class-label {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.class-bar {
    width: 100%;
    height: 8px;
    border-radius: 5px;
    overflow: hidden;
    background-color: var(--bg-input);
}

.class-bar-fill {
    height: 100%;
    width: 0%;
    transition: width 0.8s ease;
}

.class-score {
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-accent);
}

.model-item {
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
    margin-top: 8px;
}

.model-name {
    color: var(--text-secondary);
    word-break: break-all;
}

.footer {
    text-align: center;
    margin-top: 40px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}