/* --- Modal / Slide Panel --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.8);
    /* Darkened Brutalist Overlay */
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.slide-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 450px;
    max-width: 100%;
    height: 100%;
    background-color: var(--color-surface);
    border-left: var(--border-width) solid var(--border-color);
    z-index: 2001;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    /* Ease Out Expoish */
    display: flex;
    flex-direction: column;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
    padding: 2rem;
    overflow-y: auto;
}

.slide-panel.open {
    right: 0;
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--color-text-main);
    cursor: pointer;
    padding: 0.5rem;
    transition: transform 0.2s;
}

.close-btn:hover {
    transform: rotate(90deg);
    color: var(--color-accent);
}

.panel-title {
    font-family: var(--font-main);
    font-weight: 800;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: var(--border-width) solid var(--border-color);
    text-transform: uppercase;
    margin-top: 1rem;
}

/* --- Form Styles --- */
.order-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text-tech);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: var(--border-width) solid var(--border-color);
    background-color: #F8FAFC;
    font-family: var(--font-main);
    font-size: var(--text-base);
    color: var(--color-text-main);
    border-radius: 0;
    outline: none;
    transition: all 0.2s;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 4px 4px 0px rgba(37, 99, 235, 0.1);
    background-color: #fff;
}

.form-group textarea {
    resize: vertical;
}

/* --- Calculation Details --- */
.calc-result {
    margin-top: 1rem;
    padding: 1.5rem;
    background-color: #F1F5F9;
    border: var(--border-width) dashed var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.calc-row {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-text-tech);
}

.calc-value {
    font-weight: 700;
    color: var(--color-text-main);
}

.calc-total {
    display: flex;
    justify-content: space-between;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    font-weight: 800;
    font-size: 1.1rem;
}

.total-value {
    color: var(--color-accent);
}

.full-width {
    width: 100%;
    margin-top: 1rem;
}

.form-disclaimer {
    font-size: 0.7rem;
    color: #94A3B8;
    text-align: center;
    line-height: 1.3;
}

.form-message {
    font-size: var(--text-sm);
    padding: 0.75rem;
    margin-top: 1rem;
    display: none;
    font-family: var(--font-mono);
    border: 1px solid transparent;
}

.form-message.success {
    display: block;
    background-color: #F0FDF4;
    color: #166534;
    border-color: #BBF7D0;
}

.form-message.error {
    display: block;
    background-color: #FEF2F2;
    color: #991B1B;
    border-color: #FECACA;
}

/* Mobile Adaptation for Drawer */
@media (max-width: 480px) {
    .slide-panel {
        width: 100%;
        padding: 1.5rem;
    }
}