@import url("./base.css");

.calculator-shell {
    width: min(1180px, calc(100% - 40px));
    margin: 26px auto 48px;
}

.page-heading {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.page-heading__icon {
    display: grid;
    width: 54px;
    height: 54px;
    place-items: center;
    border-radius: 17px;
    background: var(--blue-bg);
    color: var(--blue-fg);
}

.page-heading__icon svg {
    width: 38px;
    height: 38px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2.4;
}

.page-heading__icon--sand,
.result-context--sand {
    background: var(--sand-bg);
    color: var(--sand-fg);
}

.page-heading__icon--teal,
.result-context--teal {
    background: var(--teal-bg);
    color: var(--teal-fg);
}

.page-heading__icon--slate,
.result-context--slate {
    background: var(--slate-bg);
    color: var(--slate-fg);
}

.page-heading h1 {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 2.35rem);
    letter-spacing: -0.04em;
}

.calculator-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(330px, 0.75fr);
    align-items: start;
    gap: 20px;
}

.panel {
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.form-panel {
    padding: 26px;
}

.panel__heading,
.result-panel__heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.panel h2 {
    margin: 0;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 17px;
    margin-top: 22px;
}

.field {
    display: grid;
    gap: 7px;
}

.field--wide {
    grid-column: 1 / -1;
}

.field > span {
    color: var(--text-muted);
    font-size: 0.79rem;
    font-weight: 700;
}

.field input,
.field select,
.compact-input,
.money-input {
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-soft);
    color: var(--text);
}

.field input,
.field select {
    width: 100%;
    min-height: 48px;
    padding: 10px 13px;
}

.field input::placeholder {
    color: color-mix(in srgb, var(--text-muted) 70%, transparent);
}

.field input:hover,
.field select:hover,
.compact-input:hover,
.money-input:hover {
    border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
}

.field input:focus,
.field select:focus,
.compact-input:focus,
.money-input:focus-within {
    border-color: var(--primary);
    outline: none;
}

.field select:disabled {
    cursor: not-allowed;
    opacity: 0.65;
}

.switch-field {
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    align-self: end;
    padding: 8px 12px 8px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-soft);
}

.switch-field strong,
.switch-field small {
    display: block;
}

.switch-field strong {
    font-size: 0.86rem;
}

.switch-field small {
    color: var(--text-muted);
    font-size: 0.72rem;
}

.toggle {
    position: relative;
    width: 42px;
    min-width: 42px;
    height: 24px;
    margin: 0;
    border: 0;
    border-radius: 999px;
    appearance: none;
    background: color-mix(in srgb, var(--text-muted) 28%, var(--surface));
    cursor: pointer;
    transition: background-color 160ms ease;
}

.toggle::before {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.16);
    content: "";
    transition: transform 160ms ease;
}

.toggle:checked {
    background: var(--primary);
}

.toggle:checked::before {
    transform: translateX(18px);
}

.toggle:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.options-panel {
    margin-top: 24px;
    border-top: 1px solid var(--border);
}

.options-panel summary {
    display: flex;
    min-height: 58px;
    align-items: center;
    justify-content: space-between;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 750;
    list-style: none;
    cursor: pointer;
}

.options-panel summary::-webkit-details-marker {
    display: none;
}

.options-panel summary svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: var(--text-muted);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
    transition: transform 160ms ease;
}

.options-panel[open] summary svg {
    transform: rotate(180deg);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 2px 0 8px;
}

.options-section + .options-section {
    margin-top: 18px;
}

.options-section__title {
    margin: 0 0 9px;
    color: var(--text-muted);
    font-size: 0.71rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.option-row {
    display: flex;
    min-height: 58px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: var(--surface-soft);
}

.option-row__label {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 10px;
    font-size: 0.79rem;
    font-weight: 670;
}

.option-row__value {
    color: var(--text-muted);
    font-size: 0.76rem;
    white-space: nowrap;
}

.option-row.is-disabled {
    opacity: 0.48;
}

.compact-input {
    width: 62px;
    height: 36px;
    padding: 6px 8px;
    text-align: center;
}

.money-input {
    display: flex;
    width: 118px;
    flex: 0 0 118px;
    height: 36px;
    align-items: center;
    overflow: hidden;
}

.money-input input {
    width: 82px;
    min-width: 0;
    height: 100%;
    padding: 5px 6px 5px 9px;
    border: 0;
    outline: 0;
    appearance: textfield;
    background: transparent;
    color: var(--text);
}

.money-input input::-webkit-inner-spin-button,
.money-input input::-webkit-outer-spin-button {
    margin: 0;
    appearance: none;
}

.money-input span {
    margin-left: auto;
    padding-right: 10px;
    color: var(--text-muted);
    font-size: 0.68rem;
    font-weight: 700;
}

.compact-input:disabled,
.money-input:has(input:disabled) {
    opacity: 0.48;
}

.form-error {
    margin-top: 16px;
    padding: 10px 12px;
    border: 1px solid color-mix(in srgb, var(--danger) 35%, var(--border));
    border-radius: 11px;
    background: color-mix(in srgb, var(--danger) 8%, var(--surface));
    color: var(--danger);
    font-size: 0.8rem;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 22px;
}

.button {
    min-height: 46px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-weight: 750;
    cursor: pointer;
    transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button--primary {
    background: var(--primary);
    color: #fff;
}

.button--primary:hover {
    background: var(--primary-strong);
}

.button--secondary {
    border-color: var(--border);
    background: var(--surface-soft);
    color: var(--text-muted);
}

.result-panel {
    position: sticky;
    top: 20px;
    overflow: hidden;
}

.result-panel__heading {
    padding: 22px 22px 18px;
    border-bottom: 1px solid var(--border);
}

.result-context {
    padding: 5px 9px;
    border-radius: 999px;
    background: var(--blue-bg);
    color: var(--blue-fg);
    font-size: 0.71rem;
    font-weight: 800;
}

.result-items {
    display: grid;
    padding: 10px 22px;
}

.result-item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 0;
    border-bottom: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
    font-size: 0.82rem;
}

.result-item:last-child {
    border-bottom: 0;
}

.result-item span:first-child {
    color: var(--text-muted);
}

.result-item strong {
    color: var(--text);
    font-size: 0.83rem;
    white-space: nowrap;
}

.result-item--discount strong {
    color: var(--primary);
}

.result-total {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 22px 22px;
    border-top: 1px solid var(--border);
    background: var(--teal-bg);
    color: var(--teal-fg);
}

.result-total span {
    font-size: 0.83rem;
    font-weight: 750;
}

.result-total strong {
    font-size: 1.55rem;
    letter-spacing: -0.035em;
}

.save-calculation {
    padding: 20px 22px 22px;
    border-top: 1px solid var(--border);
}

.save-calculation h3 {
    margin: 0 0 15px;
    font-size: 0.92rem;
}

.save-calculation__form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(110px, 0.55fr);
    gap: 12px;
}

.save-calculation__form .button,
.save-calculation__status {
    grid-column: 1 / -1;
}

.save-calculation__form .button:disabled {
    cursor: wait;
    opacity: 0.65;
}

.save-calculation__status {
    margin: 0;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 0.79rem;
}

.save-calculation__status--success {
    background: color-mix(in srgb, var(--primary) 10%, var(--surface));
    color: var(--primary);
}

.save-calculation__status--error {
    background: color-mix(in srgb, var(--danger) 8%, var(--surface));
    color: var(--danger);
}

@media (max-width: 920px) {
    .calculator-layout {
        grid-template-columns: 1fr;
    }

    .result-panel {
        position: static;
    }
}

@media (max-width: 640px) {
    .calculator-shell {
        width: min(100% - 28px, 1180px);
        margin-top: 18px;
    }

    .page-heading__icon {
        width: 48px;
        height: 48px;
        border-radius: 15px;
    }

    .form-panel {
        padding: 20px 16px;
    }

    .form-grid,
    .options-grid {
        grid-template-columns: 1fr;
    }

    .form-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .save-calculation__form {
        grid-template-columns: 1fr;
    }

    .save-calculation__form .button,
    .save-calculation__status {
        grid-column: auto;
    }

    .button {
        width: 100%;
    }
}