/**
 * Molecular Weight Calculator Styles
 * Molecular Weight Calculator localized styles (PL)
 *
 * @package Zipper
 */

.mwc-tool {
    --mwc-bg: #f7f8fa;
    --mwc-surface: #ffffff;
    --mwc-border: #e2e5eb;
    --mwc-text: #111827;
    --mwc-muted: #6b7280;
    --mwc-accent: #2563be;
    --mwc-accent-light: #edf4ff;
    --mwc-accent-mid: #8bb1ee;
    --mwc-green: #0f9a78;
    --mwc-error: #c2410c;
    --mwc-error-bg: #fff4f2;
    --mwc-error-border: #f6c4b6;
    --mwc-radius: 12px;
    --mwc-shadow: 0 1px 4px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.04);
    --mwc-mono: 'Courier New', Courier, monospace;
    --mwc-sans: Helvetica, Arial, sans-serif;
    font-family: var(--mwc-sans);
    color: var(--mwc-text);
    background: var(--mwc-bg);
    border: 1px solid #eef1f6;
    border-radius: 18px;
    padding: 24px;
}

.mwc-tool *,
.mwc-tool *::before,
.mwc-tool *::after {
    box-sizing: border-box;
}

.mwc-tool-header {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.mwc-tool-heading {
    margin: 0;
    font-size: 21px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--mwc-text);
}

.mwc-tool-subtitle {
    font-size: 15px;
    color: var(--mwc-muted);
}

.mwc-grid {
    display: grid;
    grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
    gap: 16px;
    width: 100%;
    align-items: start;
}

.mwc-panel {
    min-width: 0;
    background: var(--mwc-surface);
    border: 1px solid var(--mwc-border);
    border-radius: var(--mwc-radius);
    box-shadow: var(--mwc-shadow);
    overflow: hidden;
}

.mwc-panel-head {
    padding: 14px 18px;
    border-bottom: 1px solid var(--mwc-border);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mwc-muted);
}

.mwc-input-body,
.mwc-results-body {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 18px;
}

.mwc-formula-wrap {
    position: relative;
}

.mwc-formula-input {
    width: 100%;
    height: 56px;
    padding: 0 48px 0 16px;
    border: 1.5px solid var(--mwc-border);
    border-radius: 9px;
    outline: none;
    background: var(--mwc-bg);
    color: var(--mwc-text);
    font-family: var(--mwc-mono);
    font-size: 23px;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.mwc-formula-input:hover {
    border-color: var(--mwc-accent-mid);
}

.mwc-formula-input:focus {
    border-color: var(--mwc-accent);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(37, 99, 190, 0.08);
}

.mwc-formula-input::placeholder {
    color: #9ca3af;
    font-weight: 500;
}

.mwc-formula-input.mwc-error {
    border-color: var(--mwc-error);
    box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.08);
}

.mwc-clear-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    transform: translateY(-50%);
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--mwc-muted);
    font-size: 19px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.mwc-clear-btn.is-visible {
    display: inline-flex;
}

.mwc-clear-btn:hover {
    background: rgba(17, 24, 39, 0.06);
    color: var(--mwc-text);
}

.mwc-formula-status {
    min-height: 19px;
    margin-top: 6px;
    font-size: 14px;
    color: var(--mwc-muted);
}

.mwc-formula-status.is-ok {
    color: var(--mwc-green);
}

.mwc-formula-status.is-error {
    color: var(--mwc-error);
}

.mwc-input-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mwc-label-row {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--mwc-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.mwc-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.mwc-ex-btn {
    border: 1px solid var(--mwc-border);
    border-radius: 6px;
    background: var(--mwc-bg);
    color: var(--mwc-text);
    padding: 6px 11px;
    font-family: var(--mwc-mono);
    font-size: 15px;
    cursor: pointer;
    transition: all 0.12s ease;
}

.mwc-ex-btn:hover,
.mwc-ex-btn.is-active {
    background: var(--mwc-accent-light);
    border-color: var(--mwc-accent-mid);
    color: var(--mwc-accent);
}

.mwc-decimals-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.mwc-dec-options {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.mwc-dec-btn {
    width: 34px;
    height: 32px;
    border: 1px solid var(--mwc-border);
    border-radius: 6px;
    background: var(--mwc-bg);
    color: var(--mwc-muted);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.12s ease;
}

.mwc-dec-btn:hover:not(.is-active) {
    background: var(--mwc-accent-light);
    border-color: var(--mwc-accent-mid);
    color: var(--mwc-accent);
}

.mwc-dec-btn.is-active {
    background: var(--mwc-accent);
    border-color: var(--mwc-accent);
    color: #ffffff;
}

.mwc-hint-box {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 12px 14px;
    border: 1px solid var(--mwc-border);
    border-radius: 8px;
    background: var(--mwc-bg);
    font-size: 15px;
    line-height: 1.55;
    color: var(--mwc-muted);
}

.mwc-hint-box strong {
    font-family: var(--mwc-mono);
    font-size: 14px;
    color: var(--mwc-text);
}

.mwc-empty-state {
    padding: 54px 24px;
    text-align: center;
    color: var(--mwc-muted);
    font-size: 17px;
    line-height: 1.6;
}

.mwc-empty-icon {
    margin-bottom: 12px;
    font-size: 39px;
    opacity: 0.3;
}

.mwc-mw-hero {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 22px 24px;
    border-radius: 9px;
    background: var(--mwc-accent);
    color: #ffffff;
}

.mwc-mw-main {
    min-width: 0;
    flex: 1 1 auto;
}

.mwc-mw-formula {
    margin-bottom: 4px;
    font-family: var(--mwc-mono);
    font-size: 16px;
    opacity: 0.78;
}

.mwc-hero-value-row {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.mwc-mw-value {
    font-family: var(--mwc-mono);
    font-size: 39px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1;
}

.mwc-mw-unit {
    font-size: 17px;
    font-weight: 400;
    opacity: 0.78;
}

.mwc-formula-eq {
    margin-top: 8px;
    font-size: 14px;
    line-height: 1.5;
    opacity: 0.72;
    word-break: break-word;
}

.mwc-mw-side {
    margin-left: auto;
    text-align: right;
}

.mwc-copy-btn {
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 7px;
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    padding: 6px 11px;
    cursor: pointer;
    transition: background 0.12s ease, transform 0.12s ease;
}

.mwc-copy-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.mwc-copy-btn.copied {
    background: rgba(255, 255, 255, 0.38);
}

.mwc-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.mwc-stat-card {
    padding: 12px 14px;
    border: 1px solid var(--mwc-border);
    border-radius: 8px;
    background: var(--mwc-bg);
}

.mwc-stat-label {
    margin-bottom: 5px;
    font-size: 13px;
    font-weight: 600;
    color: var(--mwc-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.mwc-stat-val {
    color: var(--mwc-text);
    font-family: var(--mwc-mono);
    font-size: 21px;
    font-weight: 700;
    line-height: 1.1;
}

.mwc-stat-val.is-symbol {
    font-size: 18px;
}

.mwc-stat-sub {
    margin-top: 3px;
    font-size: 13px;
    color: var(--mwc-muted);
}

.mwc-sec-block {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mwc-sec-title {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--mwc-muted);
}

.mwc-contrib-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mwc-contrib-row {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) 124px 70px;
    align-items: center;
    gap: 10px;
}

.mwc-contrib-sym {
    font-family: var(--mwc-mono);
    font-weight: 700;
    font-size: 17px;
    color: var(--mwc-text);
}

.mwc-bar-track {
    height: 9px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--mwc-border);
}

.mwc-bar-fill {
    height: 100%;
    border-radius: 999px;
    background: var(--mwc-accent);
    transition: width 0.35s ease;
}

.mwc-contrib-mass,
.mwc-contrib-pct {
    font-family: var(--mwc-mono);
    text-align: right;
}

.mwc-contrib-mass {
    font-size: 14px;
    color: var(--mwc-muted);
}

.mwc-contrib-pct {
    font-size: 15px;
    font-weight: 700;
    color: var(--mwc-accent);
}

.mwc-table-wrap {
    overflow-x: auto;
}

.mwc-table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    font-size: 16px;
}

.mwc-table thead th {
    padding: 8px 10px;
    border-bottom: 1px solid var(--mwc-border);
    color: var(--mwc-muted);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    text-align: left;
}

.mwc-table thead th:not(:first-child) {
    text-align: right;
}

.mwc-table tbody td {
    padding: 10px;
    border-bottom: 1px solid #f0f3f8;
    vertical-align: middle;
}

.mwc-table tbody tr:last-child td {
    border-bottom: none;
}

.mwc-table tbody td:not(:first-child) {
    text-align: right;
    font-family: var(--mwc-mono);
    font-size: 15px;
}

.mwc-elem-sym-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mwc-elem-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 6px;
    background: var(--mwc-accent-light);
    color: var(--mwc-accent);
    font-family: var(--mwc-mono);
    font-size: 15px;
    font-weight: 700;
}

.mwc-elem-name {
    font-size: 15px;
    color: var(--mwc-muted);
}

.mwc-pct-pill {
    display: inline-block;
    padding: 3px 7px;
    border-radius: 5px;
    background: var(--mwc-accent-light);
    color: var(--mwc-accent);
    font-family: var(--mwc-mono);
    font-size: 14px;
    font-weight: 700;
}

.mwc-pct-pill.is-total {
    background: var(--mwc-accent);
    color: #ffffff;
}

.mwc-table-total-row td {
    border-top: 1.5px solid var(--mwc-border) !important;
    background: var(--mwc-bg);
    color: var(--mwc-text);
    font-weight: 700;
    font-family: var(--mwc-mono);
    font-size: 15px;
}

.mwc-err-alert {
    padding: 14px 16px;
    border: 1px solid var(--mwc-error-border);
    border-radius: 8px;
    background: var(--mwc-error-bg);
    color: #8f3214;
    font-size: 16px;
    line-height: 1.55;
}

.mwc-err-alert strong {
    display: block;
    margin-bottom: 4px;
}

.mwc-err-help {
    display: block;
    margin-top: 6px;
    font-size: 14px;
}

@media (max-width: 900px) {
    .mwc-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .mwc-tool {
        padding: 18px;
    }

    .mwc-mw-hero {
        flex-direction: column;
        gap: 12px;
    }

    .mwc-mw-side {
        margin-left: 0;
        width: 100%;
        text-align: left;
    }

    .mwc-stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .mwc-contrib-row {
        grid-template-columns: 38px minmax(0, 1fr) auto;
        grid-template-areas:
            'sym pct pct'
            'bar bar bar'
            'mass mass mass';
        gap: 8px;
    }

    .mwc-contrib-sym {
        grid-area: sym;
    }

    .mwc-bar-track {
        grid-area: bar;
    }

    .mwc-contrib-mass {
        grid-area: mass;
        text-align: left;
    }

    .mwc-contrib-pct {
        grid-area: pct;
    }
}

@media (max-width: 560px) {
    .mwc-input-body,
    .mwc-results-body {
        padding: 16px;
    }

    .mwc-tool-header {
        gap: 8px;
    }

    .mwc-tool-heading {
        font-size: 19px;
    }

    .mwc-tool-subtitle {
        font-size: 14px;
    }

    .mwc-formula-input {
        font-size: 21px;
    }

    .mwc-mw-value {
        font-size: 34px;
    }

    .mwc-empty-state {
        padding: 40px 16px;
    }
}