.tool-section {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Password Display Area */
.password-display-container {
    display: flex;
    align-items: center;
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1rem 1.5rem;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.password-display {
    flex-grow: 1;
    font-size: 2rem;
    font-family: monospace;
    letter-spacing: 2px;
    color: var(--text-primary);
    word-break: break-all;
    min-height: 3rem;
    display: flex;
    align-items: center;
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-btn:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.1);
}

.copy-btn.copied {
    color: #4CAF50;
}

/* Strength Meter */
.strength-meter {
    height: 6px;
    width: 100%;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-top: -1rem;
}

.strength-bar {
    height: 100%;
    width: 0%;
    background: #ff4d4d;
    transition: width 0.3s ease, background-color 0.3s ease;
}

.strength-text {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: -1.5rem;
    text-align: right;
    font-weight: 600;
}

/* Controls Panel */
.controls-panel {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 1rem;
}

/* Slider */
.length-control {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.length-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.length-header label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
}

#length-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    background: rgba(136, 189, 242, 0.1);
    padding: 0.2rem 1rem;
    border-radius: 8px;
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.1);
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(136, 189, 242, 0.5);
    transition: transform 0.1s;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Checkboxes Grid */
.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 600px) {
    .options-grid {
        grid-template-columns: 1fr;
    }
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 35px;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-primary);
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 24px;
    width: 24px;
    background-color: var(--input-bg);
    border: 2px solid var(--glass-border);
    border-radius: 6px;
    transition: all 0.2s;
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--primary-color);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 7px;
    top: 3px;
    width: 6px;
    height: 12px;
    border: solid var(--bg-dark);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Generate Button */
.generate-btn {
    background: var(--primary-gradient);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    padding: 1.2rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--primary-shadow-md);
    width: 100%;
    margin-top: 1rem;
}

.generate-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--primary-shadow-lg);
}

.generate-btn:active {
    transform: translateY(1px);
}