/* GIAO DIỆN SOFT BRUTALISM - LOREM GENERATOR */
.tool-container {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    max-width: 900px;
    margin: 20px auto;
    border: 3px solid #111111;
    border-radius: 12px;
    box-shadow: 6px 6px 0px #111111;
    padding: 30px;
    background: #ffffff;
    color: #111111;
    box-sizing: border-box;
}

h2.tool-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    text-align: center;
    text-transform: uppercase;
    margin-top: 0;
    margin-bottom: 25px;
    font-weight: 900;
}

/* Controls Grid */
.generator-controls {
    display: grid;
    grid-template-columns: 1fr 2fr 2fr;
    gap: 20px;
    margin-bottom: 20px;
}

.input-group label {
    display: block; font-weight: 800; margin-bottom: 8px; font-size: 1.05rem;
}

.input-group input, .input-group select {
    width: 100%; padding: 12px 15px; font-size: 1.1rem; font-weight: 700;
    font-family: 'Inter', sans-serif; border: 3px solid #111111;
    border-radius: 8px; outline: none; box-sizing: border-box;
    background-color: #f9f9f9; box-shadow: 3px 3px 0px #111111;
    transition: box-shadow 0.2s, background-color 0.2s, transform 0.1s;
}

.input-group input:focus, .input-group select:focus {
    background-color: #ffffff; transform: translate(2px, 2px); box-shadow: 1px 1px 0px #111111;
}

/* Options */
.options-panel {
    background-color: #f4f4f4; padding: 15px 20px; border: 3px solid #111111;
    border-radius: 8px; margin-bottom: 25px; display: flex; align-items: center;
}

.checkbox-container {
    display: flex; align-items: center; cursor: pointer;
    font-weight: 700; font-size: 1rem; user-select: none;
}
.checkbox-container input {
    margin-right: 10px; width: 20px; height: 20px; accent-color: #111111; cursor: pointer;
}

/* Buttons */
.action-buttons {
    display: grid; grid-template-columns: 2fr 1fr; gap: 15px; margin-bottom: 25px;
}

.action-buttons button {
    cursor: pointer; font-family: 'Montserrat', sans-serif; font-size: 1.1rem;
    font-weight: 900; padding: 15px; border: 3px solid #111111; border-radius: 8px;
    box-shadow: 4px 4px 0px #111111; transition: transform 0.1s, box-shadow 0.1s;
    text-transform: uppercase; color: #111111;
}
.action-buttons button:active { transform: translate(4px, 4px); box-shadow: 0px 0px 0px #111111; }

.btn-generate { background-color: #fdfd96; } /* Vàng pastel */
.btn-copy { background-color: #b5ead7; } /* Xanh lá pastel */

/* Output Area */
.output-wrapper { position: relative; }

.output-wrapper textarea {
    width: 100%; height: 350px; padding: 20px; font-size: 1.1rem;
    font-family: 'Inter', sans-serif; border: 3px solid #111111;
    border-radius: 8px; outline: none; box-sizing: border-box;
    background-color: #e2f0cb; box-shadow: 4px 4px 0px #111111;
    resize: vertical; line-height: 1.6; font-weight: 500;
}

.stats-bar {
    text-align: right; margin-top: 10px; font-size: 0.95rem; font-weight: 600; color: #555;
}
.stats-bar strong { color: #111111; font-family: 'Montserrat', sans-serif; }

/* Toast */
#toastLorem {
    visibility: hidden; min-width: 200px; background-color: #111111; color: #ffffff;
    text-align: center; border-radius: 8px; padding: 12px; position: fixed;
    z-index: 9999; bottom: 30px; left: 50%; transform: translateX(-50%);
    font-weight: bold; opacity: 0; transition: opacity 0.3s, bottom 0.3s;
}
#toastLorem.show { visibility: visible; opacity: 1; bottom: 50px; }

@media (max-width: 768px) {
    .generator-controls { grid-template-columns: 1fr; gap: 15px; }
    .action-buttons { grid-template-columns: 1fr; }
}