/* =========================================================
   ARIKA STUDIO — ESTIMATOR & BUDGET ENGINE STYLING
   ========================================================= */

.estimator-section {
    background-color: var(--color-surface-soft);
    position: relative;
}

.estimator-workspace {
    position: relative;
}

/* =========================================================
   TABS SWITCHER
   ========================================================= */

.estimator-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    max-width: 820px;
    margin-inline: auto;
}

.estimator-tab {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-normal);
}

.estimator-tab:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.estimator-tab.is-active {
    border-color: var(--color-primary);
    background: #ffffff;
    box-shadow: var(--shadow-md);
    position: relative;
}

.estimator-tab.is-active::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 20px;
    right: 20px;
    height: 3px;
    background: var(--color-accent);
    border-radius: var(--border-radius-full);
}

.estimator-tab__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-md);
    background: rgba(181, 154, 122, 0.12);
    color: var(--color-accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.estimator-tab__content strong {
    display: block;
    color: var(--color-text);
    font-size: var(--font-size-md);
    font-weight: 700;
    margin-bottom: 2px;
}

.estimator-tab__content small {
    display: block;
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    line-height: 1.35;
}

/* =========================================================
   ESTIMATOR PANELS & GRID
   ========================================================= */

.estimator-panel {
    display: none;
}

.estimator-panel.is-active {
    display: grid;
    grid-template-columns: 1.3fr 0.9fr;
    gap: var(--space-2xl);
    align-items: start;
}

.estimator-panel--single {
    grid-template-columns: 1fr;
    max-width: 760px;
    margin-inline: auto;
}

.estimator-card {
    background: var(--color-surface);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: var(--space-2xl);
}

.estimator-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border-light);
}

.estimator-card__icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(181, 154, 122, 0.12);
    color: var(--color-accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.estimator-card__header h2,
.estimator-card__header h3 {
    font-size: var(--font-size-xl);
    margin: 0;
}

/* =========================================================
   FORM FIELDS & INPUTS
   ========================================================= */

.estimator-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

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

.form-field--full {
    grid-column: 1 / -1;
}

.form-field label,
.form-field legend {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}

.form-field select,
.form-field input[type="text"],
.form-field input[type="number"],
.form-field input[type="email"],
.form-field textarea {
    width: 100%;
    min-height: 48px;
    padding: 0.75rem 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    outline: none;
    transition: all var(--transition-fast);
}

.form-field select:focus,
.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(181, 154, 122, 0.15);
}

.input-with-unit {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-unit input {
    padding-right: 4.5rem;
}

.input-with-unit span {
    position: absolute;
    right: 1rem;
    color: var(--color-text-light);
    font-size: var(--font-size-xs);
    pointer-events: none;
}

.input-with-currency span {
    position: absolute;
    left: 1rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.input-with-currency input {
    padding-left: 2.25rem;
}

/* =========================================================
   EXTRAS CHECKBOX GRID
   ========================================================= */

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
}

.checkbox-option {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.75rem 1rem;
    background: var(--color-surface-soft);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.checkbox-option:hover {
    background: #ffffff;
    border-color: var(--color-accent);
}

.checkbox-option input[type="checkbox"] {
    accent-color: var(--color-accent-dark);
    width: 16px;
    height: 16px;
}

.estimator-form__actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

/* =========================================================
   RESULT CARD
   ========================================================= */

.estimator-result {
    position: sticky;
    top: 100px;
    background: linear-gradient(180deg, #ffffff 0%, var(--color-surface-soft) 100%);
}

.estimator-result__price {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.estimator-result__price span {
    color: var(--color-accent-dark);
}

.estimator-result__note {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

.estimator-result__details {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-bottom: var(--space-xl);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border-light);
}

.result-detail {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    border-bottom: 1px dashed var(--color-border-light);
    padding-bottom: 0.4rem;
}

.result-detail:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.result-detail span {
    color: var(--color-text-muted);
}

.result-detail strong {
    color: var(--color-text);
}

/* =========================
   PACKAGE CARDS (MODE 2)
   ========================= */

.packages-comparison-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.pkg-card {
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    transition: all var(--transition-normal);
}

.pkg-card--recommended {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
    transform: scale(1.02);
}

.pkg-card__badge {
    position: absolute;
    top: -12px;
    right: 1.5rem;
    background: var(--color-accent-dark);
    color: #ffffff;
    padding: 0.25rem 0.85rem;
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-2xs);
    font-weight: 700;
    text-transform: uppercase;
}

.pkg-card__title {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    margin-bottom: 0.35rem;
}

.pkg-card__rate {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-md);
}

.pkg-card__rate small {
    font-size: var(--font-size-xs);
    font-weight: normal;
    color: var(--color-text-muted);
}

.pkg-card__features {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--space-xl);
    font-size: var(--font-size-xs);
}

.pkg-card__features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
}

.pkg-card__features li i {
    color: var(--color-success);
}