/* Arquivo: geek_calc.css */
/* Pasta: raiz do projeto */

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

body {
    font-family: sans-serif;
    background: #1e2a38;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 15px;
}

.calculator {
    background: linear-gradient(145deg, #3c4f65, #2a3b4f);
    padding: 6px 16px 12px 16px;
    border-radius: 16px;
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.4),
        0 4px 12px rgba(0, 0, 0, 0.3),
        inset 0 1px 2px rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 420px;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.status-indicator {
    position: absolute;
    top: 8px;
    left: 20px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: radial-gradient(circle, #00ff88, #00cc66);
    box-shadow: 
        0 0 6px rgba(0, 255, 136, 0.8),
        0 0 12px rgba(0, 255, 136, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.3);
    animation: ledPulse 2s ease-in-out infinite;
}

@keyframes ledPulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1);
    }
    50% { 
        opacity: 0.7; 
        transform: scale(1.1);
    }
}

.calculator-title {
    text-align: center;
    margin-bottom: 7px;
    margin-top: 0px;
}

.calculator-title a {
    color: #00ff88;
    font-size: 1rem;
    font-weight: bold;
    text-decoration: none;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    padding: 0px 6px;
    border-radius: 4px;
}

.calculator-title a:hover {
    color: #ffffff;
    background: rgba(0, 255, 136, 0.1);
    text-shadow: 0 0 6px rgba(0, 255, 136, 0.5);
}

.display {
    background: #000000;
    border-radius: 18px;
    padding: 16px;
    margin-bottom: 8px;
    box-shadow: 
        inset 0 4px 8px rgba(0, 0, 0, 0.6),
        inset 0 -2px 4px rgba(255, 255, 255, 0.1),
        inset 0 2px 4px rgba(0, 255, 136, 0.1);
    position: relative;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.mode-indicator {
    position: absolute;
    top: 5px;
    right: 10px;
    background: rgba(0, 255, 136, 0.15);
    color: #00ff88;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: bold;
    border: 1px solid rgba(0, 255, 136, 0.2);
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
    z-index: 15;
}

.expression-display {
    font-family: 'Courier New', monospace;
    font-size: 16px;
    color: #00ff00;
    line-height: 1.5;
    min-height: 72px;
    position: relative;
}

.expression-line {
    height: 24px;
    white-space: nowrap;
    overflow: hidden;
    font-family: 'Courier New', monospace;
    font-size: 16px;
    line-height: 24px;
}

.cursor {
    position: absolute;
    width: 1px;
    height: 20px;
    background: #00ff00;
    animation: cursorBlink 1.2s infinite;
    z-index: 10;
    top: 2px;
    display: none;
}

.scientific-mode .cursor { display: block; }

@keyframes cursorBlink {
    0%, 45% { opacity: 1; }
    46%, 100% { opacity: 0; }
}

.result-display {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 2px solid rgba(255, 170, 0, 0.3);
    font-family: 'Courier New', monospace;
    font-size: 18px;
    color: #ffaa00;
    font-weight: bold;
    word-wrap: break-word;
    min-height: 24px;
}

.result-display.error { color: #ff4444; }

.warning-display {
    background: rgba(255, 68, 68, 0.1);
    color: #ff6b6b;
    padding: 6px;
    border-radius: 8px;
    margin-bottom: 6px;
    font-size: 12px;
    text-align: center;
    border: 1px solid rgba(255, 68, 68, 0.2);
    display: none;
}

.section {
    margin-bottom: 6px;
    padding-bottom: 0px;
    position: relative;
}
.section:last-child { margin-bottom: 0; padding-bottom: 0; }

.section-label {
    display: none;
}

.grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
}

button {
    padding: 4px;
    font-size: 0.85rem;
    border: none;
    border-radius: 6px;
    color: white;
    cursor: pointer;
    transition: all 0.15s ease;
    font-weight: 500;
    height: 28px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.4), inset 0 1px 2px rgba(255, 255, 255, 0.2);
}
button:hover { transform: translateY(-1px); }
button:active { transform: translateY(1px); }

/* Cores padrão para botões */
button { background: #5a6c7d; }

/* Modos */
.scientific-mode .conversion { display: none; }
.conversion-mode .nav, .conversion-mode .scientific, .conversion-mode .constants, .conversion-mode .advanced, .conversion-mode .commands { display: none; }

.scientific-mode .nav, .scientific-mode .scientific, .scientific-mode .constants, .scientific-mode .advanced, .scientific-mode .commands { display: block; }
.conversion-mode .conversion, .conversion-mode .numbers { display: block; }

/* Estilos modo científico com separação visual */
.scientific-mode .nav { 
    margin-bottom: 6px; 
    border-bottom: 1px solid rgba(0, 255, 136, 0.2);
    padding-bottom: 6px;
}
.scientific-mode .nav button { background: #547aa5; }

.scientific-mode .commands { 
    margin-bottom: 6px; 
}
.scientific-mode .commands button { background: #b35a72; }

.scientific-mode .scientific { 
    margin-bottom: 6px; 
}
.scientific-mode .scientific button { background: #478c91; }

.scientific-mode .constants { 
    margin-bottom: 6px; 
}
.scientific-mode .constants button { background: #709672; }

.scientific-mode .advanced { 
    margin-bottom: 6px; 
}
.scientific-mode .advanced button { background: #766aa8; font-size: 0.8rem; }

/* Estilos modo conversão */
.conversion-mode .category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
}
.conversion-mode .category { margin-bottom: 8px; }
.conversion-mode .category button {
    background: #506883;
    font-size: 0.75rem;
    height: 26px;
}
.conversion-mode .numbers button { font-size: 0.85rem; }
.conversion-mode .numbers .grid { grid-template-columns: repeat(5, 1fr); }

/* Botões destacados */
#modeToggleBtn, button[onclick="openInfoModal()"] { background: #3498db !important; }
.numbers button { background: #8aabc1; font-weight: bold; }

/* Botão AC no modo conversão */
.conversion-mode .ac-btn { background: #e74c3c !important; }

.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.7); backdrop-filter: blur(5px); }
.modal-content { background: #fdfdfd; margin: 5% auto; padding: 30px; border-radius: 20px; width: 90%; max-width: 600px; max-height: 80vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3); color: #333; }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; border-bottom: 2px solid #e0e0e0; padding-bottom: 15px; }
.modal-title { font-size: 24px; font-weight: bold; color: #2a5298; margin: 0; }
.close-btn { background: #fee; border: 2px solid #f88; border-radius: 50%; width: 40px; height: 40px; font-size: 20px; font-weight: bold; color: #f44; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; }
.close-btn:hover { background: #fdd; transform: scale(1.1); }
.modal-section { margin-bottom: 25px; }
.modal-section h3 { font-size: 18px; margin-bottom: 12px; color: #2a5298; }
.modal-section p, .modal-section ul { font-size: 14px; line-height: 1.6; margin-bottom: 10px; color: #555; }
.modal-section ul { margin-left: 20px; }
.code-example { background: #eee; padding: 8px 12px; border-radius: 8px; font-family: 'Courier New', monospace; font-size: 13px; border-left: 4px solid #2a5298; margin: 10px 0; }
.modal-body { max-height: 60vh; overflow-y: auto; }

@media (max-width: 480px) {
    .calculator { padding: 8px 10px; }
    .display { padding: 12px; }
    .expression-display { min-height: 60px; font-size: 14px; }
    .expression-line { height: 20px; font-size: 14px; line-height: 20px; }
    .result-display { font-size: 15px; margin-top: 8px; padding-top: 8px; }
    .cursor { height: 18px; }
    .grid { grid-template-columns: repeat(5, 1fr); gap: 3px; }
    button { font-size: 0.75rem; height: 26px; padding: 3px; }
    .section-label { font-size: 0.65rem; margin-bottom: 1px; }
    
    .conversion-mode .category-grid { grid-template-columns: repeat(3, 1fr); gap: 3px; }
    .conversion-mode .category button { font-size: 0.65rem; }
    .conversion-mode .numbers .grid { grid-template-columns: repeat(5, 1fr); gap: 3px; }
}