/**
 * Date Calculator Styles
 *
 * @package Zipper
 */

#tool-date-calculator {
    --accent: #d4af37;
    --accent-strong: #b88900;
    --accent-soft: rgba(212, 175, 55, 0.14);
    --accent-mid: rgba(212, 175, 55, 0.28);
    --ink: #2d2a26;
    --muted: #6a6258;
    --line: #e9e2d5;
    --paper: #fffdf8;
    --panel: #ffffff;
    --success: #227950;
    --warning: #a16207;
    --mono: "Courier New", Courier, monospace;
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#tool-date-calculator,
#tool-date-calculator * {
    box-sizing: border-box;
}

.dc-hidden {
    display: none !important;
}

.dc-intro {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
}

.dc-lead {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.65;
}

.dc-layout {
    display: grid;
    grid-template-columns: minmax(320px, 0.88fr) minmax(0, 1.12fr);
    gap: 16px;
    align-items: start;
}

.dc-input-panel,
.dc-result-panel {
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-width: 0;
}

.dc-card,
.dc-main-result,
.dc-kpi-card,
.dc-waiting {
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--panel);
    box-shadow: 0 8px 24px rgba(45, 42, 38, 0.06);
}

.dc-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 18px;
}

.dc-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.dc-card h3,
.dc-card-head h3,
.dc-subtitle {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    color: var(--ink);
    font-size: 15px;
    font-weight: 700;
}

.dc-card h3 i,
.dc-card-head h3 i,
.dc-subtitle i,
.dc-live-pill i {
    color: var(--accent-strong);
}

.dc-live-pill,
.dc-status,
.dc-basis {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
}

.dc-live-pill {
    padding: 7px 10px;
    color: #7a5600;
    background: var(--accent-soft);
}

.dc-field-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 10px;
}

.dc-field,
.dc-option-block,
.dc-presets {
    display: grid;
    gap: 9px;
    min-width: 0;
}

.dc-field label {
    color: var(--ink);
    font-size: 13px;
    font-weight: 700;
}

.dc-field input {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: 44px;
    border: 1px solid #d8d0c2;
    border-radius: 12px;
    background: #fff;
    color: var(--ink);
    font-size: 15px;
    line-height: 1.2;
    padding: 10px 12px;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.dc-field input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.18);
    background: #fffef9;
}

.dc-number-row {
    display: flex;
    align-items: center;
    gap: 7px;
}

.dc-number-row input {
    text-align: right;
    font-family: var(--mono);
}

.dc-number-row span {
    flex: 0 0 auto;
    min-width: 22px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.dc-segment,
.dc-count-grid,
.dc-preset-list {
    display: grid;
    gap: 8px;
}

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

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

.dc-segment-btn,
.dc-count-btn,
.dc-preset-btn {
    width: 100%;
    border: 1px solid rgba(212, 175, 55, 0.28);
    border-radius: 12px;
    background: #fffdf8;
    color: var(--ink);
    cursor: pointer;
    text-align: center;
    transition: transform 0.16s ease, border-color 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease;
}

.dc-segment-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 42px;
    padding: 9px 10px;
    font-size: 13px;
    font-weight: 800;
}

.dc-count-btn {
    display: grid;
    gap: 5px;
    min-height: 62px;
    padding: 10px;
}

.dc-count-btn strong {
    font-size: 13px;
}

.dc-count-btn span,
.dc-help,
.dc-note-list,
.dc-summary {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.55;
}

.dc-count-btn span,
.dc-help {
    margin: 0;
}

.dc-segment-btn:hover,
.dc-count-btn:hover,
.dc-preset-btn:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
    box-shadow: 0 6px 16px rgba(45, 42, 38, 0.08);
}

.dc-segment-btn.is-active,
.dc-count-btn.is-active {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.18), rgba(255, 253, 248, 0.96));
    box-shadow: inset 0 0 0 1px rgba(212, 175, 55, 0.2);
}

.dc-preset-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dc-preset-btn {
    min-height: 40px;
    padding: 8px 10px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1.35;
}

.dc-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.dc-action-btn,
.dc-copy-btn {
    min-height: 40px;
    padding: 9px 12px;
    font-size: 13px;
}

.dc-note-card {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(255, 255, 255, 0.98));
}

.dc-note-list {
    display: grid;
    gap: 7px;
    margin: 0;
    padding-left: 18px;
}

.dc-note-list a {
    color: #8a6100;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.dc-waiting {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
    color: var(--warning);
    background: #fff8e8;
}

.dc-waiting i {
    margin-top: 2px;
    font-size: 18px;
}

.dc-waiting p {
    margin: 0;
    color: var(--ink);
    font-size: 13px;
    line-height: 1.55;
}

.dc-main-result {
    display: grid;
    gap: 10px;
    padding: 20px;
    background:
        radial-gradient(circle at top right, rgba(212, 175, 55, 0.18), transparent 34%),
        linear-gradient(135deg, #fffaf0 0%, #ffffff 72%);
}

.dc-result-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.dc-status {
    padding: 7px 10px;
    color: #7a5600;
    background: var(--accent-soft);
}

.dc-status.is-live {
    color: var(--success);
    background: rgba(34, 121, 80, 0.12);
}

.dc-basis {
    padding: 7px 10px;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(212, 175, 55, 0.22);
}

.dc-main-label,
.dc-kpi-label {
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.dc-main-date {
    color: var(--ink);
    font-family: var(--mono);
    font-size: clamp(24px, 4vw, 34px);
    font-weight: 800;
    line-height: 1.15;
    word-break: keep-all;
}

.dc-summary {
    margin: 0;
    font-size: 13px;
}

.dc-formula {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    max-width: 100%;
    border: 1px solid var(--accent-mid);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: #7a5600;
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.4;
    padding: 7px 10px;
    overflow-wrap: anywhere;
}

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

.dc-kpi-card {
    display: grid;
    gap: 6px;
    padding: 14px;
}

.dc-kpi-value {
    color: var(--ink);
    font-family: var(--mono);
    font-size: 15px;
    font-weight: 800;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.dc-flow-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 8px;
    align-items: stretch;
}

.dc-flow-item,
.dc-detail-grid > div {
    min-width: 0;
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    background: #fffdf8;
}

.dc-flow-item {
    display: grid;
    gap: 5px;
    padding: 12px;
    text-align: center;
}

.dc-flow-item.is-end {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.16), #fffdf8);
}

.dc-flow-item span,
.dc-detail-grid span {
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
}

.dc-flow-item strong,
.dc-detail-grid strong {
    color: var(--ink);
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.dc-flow-sign {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-strong);
    font-weight: 900;
}

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

.dc-detail-grid > div {
    display: grid;
    gap: 5px;
    padding: 11px 12px;
}

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

@media (max-width: 640px) {
    .dc-card,
    .dc-main-result {
        padding: 16px;
    }

    .dc-field-grid,
    .dc-kpi-grid,
    .dc-detail-grid {
        grid-template-columns: 1fr;
    }

    .dc-flow-grid {
        grid-template-columns: 1fr;
    }

    .dc-flow-sign {
        min-height: 18px;
    }
}

@media (max-width: 480px) {
    .dc-segment,
    .dc-count-grid,
    .dc-preset-list {
        grid-template-columns: 1fr;
    }

    .dc-result-topline,
    .dc-card-head,
    .dc-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .dc-formula {
        width: 100%;
        border-radius: 12px;
    }

    .dc-copy-btn,
    .dc-action-btn {
        width: 100%;
    }
}