/* /tools/circle-skirt-calculator/style.css */

/* --- Layout --- */
.ac-tool-container {
    max-width: 100%;
    margin-bottom: 2em;
}

.ac-glass-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2em;
    margin-bottom: 1.5em;
    /* Glass effect if supported by theme vars, fallback to surface */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

.ac-row-split {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5em;
    margin-bottom: 1.5em;
}

/* --- Controls --- */
.ac-label {
    display: block;
    font-size: 0.9em;
    font-weight: 600;
    margin-bottom: 0.5em;
    color: var(--color-heading);
    letter-spacing: 0.02em;
}

.ac-input-group {
    margin-bottom: 0;
    /* Handled by grid gap usually, or spacing logic */
}

.ac-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.ac-input {
    width: 100%;
    padding: 0.8em 1em;
    padding-right: 3em;
    /* Space for suffix */
    font-family: var(--font-main);
    font-size: 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-main);
    transition: var(--transition-base);
}

.ac-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
    outline: none;
}

.ac-input-suffix {
    position: absolute;
    right: 1em;
    color: var(--color-text-tertiary);
    font-size: 0.85em;
    pointer-events: none;
}

.ac-help-text {
    display: block;
    margin-top: 0.4em;
    font-size: 0.8em;
    color: var(--color-text-secondary);
}

/* --- Toggle --- */
.ac-toggle-switch {
    display: flex;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2px;
}

.ac-toggle-btn {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.6em;
    font-size: 0.85em;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-radius: calc(var(--radius-md) - 2px);
    cursor: pointer;
    transition: all 0.2s;
}

.ac-toggle-btn.active {
    background: var(--color-surface-2);
    color: var(--color-heading);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* --- Visual Picker --- */
.ac-visual-picker {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8em;
}

.ac-picker-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.8em;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    height: 80px;
    color: var(--color-text-secondary);
}

.ac-picker-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.ac-picker-card.active {
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.05);
    color: var(--color-primary);
}

.ac-picker-card svg {
    width: 32px;
    height: 32px;
    margin-bottom: 5px;
    opacity: 0.7;
}

.ac-picker-card.active svg {
    opacity: 1;
}

.ac-picker-card span {
    font-size: 0.75em;
    font-weight: 600;
}

/* --- Results --- */
.ac-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2em;
    padding-bottom: 1em;
    border-bottom: 1px solid var(--color-border);
}

.ac-results-header h3 {
    margin: 0;
    font-size: 1.25em;
}

.ac-results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5em;
    margin-bottom: 1.5em;
}

.ac-result-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5em;
    text-align: center;
}

.ac-result-card.hero {
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.03);
}

.ac-result-label {
    display: block;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: 0.5em;
}

.ac-result-value {
    display: block;
    font-size: 2em;
    color: var(--color-heading);
    margin-bottom: 0.2em;
}

.ac-result-card small {
    font-size: 0.8em;
    color: var(--color-text-tertiary);
}

.ac-details-details {
    font-size: 0.9em;
    color: var(--color-text-secondary);
}

.ac-alert {
    padding: 1em;
    border-radius: var(--radius-md);
    margin-top: 1em;
    font-size: 0.9em;
}

.ac-alert.warning {
    background: #fff8e1;
    color: #b76e00;
    border: 1px solid #ffeeba;
}

.ac-alert.error {
    background: #fff2f0;
    color: #d32f2f;
    border: 1px solid #ffccc7;
}

/* Mobile optimization */
@media (max-width: 600px) {
    .ac-visual-picker {
        grid-template-columns: repeat(2, 1fr);
    }
}