/* Reset e variabili */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #e0e0e0;
    --text-primary: #000000;
    --text-secondary: #333333;
    --text-tertiary: #666666;
    --border-color: #cccccc;
    --button-bg: #000000;
    --button-text: #ffffff;
    --button-hover: #333333;
    --report-bg: #fafafa;
}

/* Base */
body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Main */
main {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Dashboard */
.dashboard {
    background-color: var(--bg-secondary);
    padding: 30px;
    border: 1px solid var(--border-color);
}

.dashboard h2 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

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

.control-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.control-group label .unit {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-weight: 300;
    text-transform: none;
}

.control-group input,
.control-group select {
    padding: 12px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 16px;
    transition: border-color 0.2s;
}

.control-group input:focus,
.control-group select:focus {
    outline: none;
    border-color: var(--text-primary);
}

/* Buttons */
.buttons-container {
    display: flex;
    gap: 15px;
}

.analizza-btn,
.cancella-btn {
    flex: 1;
    padding: 15px;
    border: none;
    font-size: 1.1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: background-color 0.2s;
}

.analizza-btn {
    background-color: var(--button-bg);
    color: var(--button-text);
}

.analizza-btn:hover {
    background-color: var(--button-hover);
}

.analizza-btn:disabled {
    background-color: var(--bg-tertiary);
    color: var(--text-tertiary);
    cursor: not-allowed;
}

.cancella-btn {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.cancella-btn:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--text-primary);
}

/* Report Section */
.report-section {
    background-color: var(--report-bg);
    padding: 30px;
    border: 1px solid var(--border-color);
    min-height: 200px;
    max-height: 70vh;
    overflow-y: auto;
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.report-header h2 {
    font-size: 1.5rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.token-counter {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-weight: 300;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.report-content-wrapper {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.report-content-left {
    flex: 2;
    color: var(--text-secondary);
    line-height: 1.8;
}

.report-content-right {
    flex: 1;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.85rem;
    border-left: 1px solid var(--border-color);
    padding-left: 20px;
}

.placeholder {
    color: var(--text-tertiary);
    font-style: italic;
    text-align: center;
    padding: 40px 0;
}

.prompt-text {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    line-height: 1.4;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--text-secondary);
    margin: 0;
    padding: 15px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    max-height: 600px;
    overflow-y: auto;
}

.report-content-left h3 {
    font-size: 1.2rem;
    font-weight: 500;
    margin-top: 20px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.report-content-left h3:first-child {
    margin-top: 0;
}

.report-content-left p {
    margin-bottom: 15px;
}

.loading {
    text-align: center;
    padding: 40px 0;
    color: var(--text-tertiary);
}

.loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Responsive - Tablet */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    header h1 {
        font-size: 2rem;
    }

    .dashboard {
        padding: 20px;
    }

    .controls-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .buttons-container {
        flex-direction: column;
    }

    .report-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .report-content-wrapper {
        flex-direction: column;
    }

    .report-content-right {
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding-left: 0;
        padding-top: 20px;
        margin-top: 20px;
    }
}

/* Responsive - Mobile */
@media (max-width: 480px) {
    .container {
        padding: 8px;
    }

    header {
        margin-bottom: 10px;
        padding-bottom: 8px;
    }

    header h1 {
        font-size: 1.3rem;
        letter-spacing: 0.03em;
    }

    .dashboard {
        padding: 12px;
    }

    .dashboard h2 {
        font-size: 1rem;
        margin-bottom: 12px;
    }

    .controls-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        margin-bottom: 12px;
    }

    .control-group label {
        font-size: 0.75rem;
    }

    .control-group input,
    .control-group select {
        padding: 10px 8px;
        font-size: 16px;
        min-height: 44px;
    }

    .buttons-container {
        gap: 8px;
    }

    .analizza-btn,
    .cancella-btn {
        padding: 12px 8px;
        font-size: 0.9rem;
        min-height: 44px;
    }

    .report-section {
        padding: 12px;
        max-height: 60vh;
    }

    .report-header {
        margin-bottom: 10px;
        padding-bottom: 8px;
    }

    .report-header h2 {
        font-size: 1rem;
    }

    .token-counter {
        font-size: 0.7rem;
    }

    .report-content-left,
    .report-content-right {
        font-size: 0.85rem;
    }

    .report-content-left h3 {
        font-size: 0.95rem;
        margin-top: 12px;
        margin-bottom: 6px;
    }

    .prompt-text {
        font-size: 0.65rem;
        padding: 8px;
        max-height: 300px;
    }
}