@charset "UTF-8";

#tool-start-end-datetime-calculator,
#tool-start-end-datetime-calculator * {
    box-sizing: border-box;
}

#tool-start-end-datetime-calculator {
    --sedtc-bg: #faf9f7;
    --sedtc-surface: #ffffff;
    --sedtc-border: #e8e4dc;
    --sedtc-border-strong: #d8d1c6;
    --sedtc-text: #2d2a26;
    --sedtc-muted: #6f6a64;
    --sedtc-accent: #d4af37;
    --sedtc-accent-soft: #fdfbf5;
    --sedtc-green: #4f8f62;
    --sedtc-green-soft: #f2faf4;
    --sedtc-warn: #b45309;
    --sedtc-warn-soft: #fff7ed;
    --sedtc-mono: 'Courier New', Courier, monospace;
    --sedtc-shadow: 0 1px 4px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.035);
    display: grid;
    gap: 18px;
    padding: 24px;
    border: 1px solid #eee7dc;
    border-radius: 18px;
    background: var(--sedtc-bg);
    color: var(--sedtc-text);
}

#tool-start-end-datetime-calculator .sedtc-intro,
#tool-start-end-datetime-calculator .sedtc-input-col,
#tool-start-end-datetime-calculator .sedtc-result-col,
#tool-start-end-datetime-calculator .sedtc-card,
#tool-start-end-datetime-calculator .sedtc-input-group,
#tool-start-end-datetime-calculator .sedtc-tip-list {
    display: grid;
    gap: 10px;
    min-width: 0;
}

#tool-start-end-datetime-calculator .sedtc-title-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 10px 14px;
    min-width: 0;
}

#tool-start-end-datetime-calculator .sedtc-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 5px 10px;
    border: 1px solid rgba(212, 175, 55, 0.20);
    border-radius: 999px;
    background: var(--sedtc-accent-soft);
    color: #8a6500;
    font-size: 14px;
    font-weight: 800;
}

#tool-start-end-datetime-calculator .sedtc-kicker i,
#tool-start-end-datetime-calculator .sedtc-card-head i {
    color: var(--sedtc-accent);
}

#tool-start-end-datetime-calculator .sedtc-title {
    margin: 0;
    color: var(--sedtc-text);
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.18;
}

#tool-start-end-datetime-calculator .sedtc-lead {
    max-width: 980px;
    margin: 0;
    color: var(--sedtc-muted);
    font-size: 16px;
    line-height: 1.72;
}

#tool-start-end-datetime-calculator .sedtc-layout {
    display: grid;
    grid-template-columns: minmax(300px, 0.88fr) minmax(0, 1.12fr);
    gap: 16px;
    align-items: start;
}

#tool-start-end-datetime-calculator .sedtc-card,
#tool-start-end-datetime-calculator .sedtc-main-result,
#tool-start-end-datetime-calculator .sedtc-summary-card,
#tool-start-end-datetime-calculator .sedtc-warning,
#tool-start-end-datetime-calculator .sedtc-note-box {
    min-width: 0;
    border: 1px solid var(--sedtc-border);
    border-radius: 14px;
    background: var(--sedtc-surface);
    box-shadow: var(--sedtc-shadow);
}

#tool-start-end-datetime-calculator .sedtc-card {
    padding: 16px;
}

#tool-start-end-datetime-calculator.sedtc-tool,
#tool-start-end-datetime-calculator .sedtc-tip-card,
#tool-start-end-datetime-calculator .sedtc-breakdown-card,
#tool-start-end-datetime-calculator .sedtc-table-card {
    min-width: 0;
}

#tool-start-end-datetime-calculator .sedtc-input-card {
    border-color: rgba(212, 175, 55, 0.28);
}

#tool-start-end-datetime-calculator .sedtc-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-width: 0;
}

#tool-start-end-datetime-calculator .sedtc-card-head h3 {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-width: 0;
    margin: 0;
    color: var(--sedtc-text);
    font-size: 17px;
    font-weight: 850;
    letter-spacing: -0.01em;
}

#tool-start-end-datetime-calculator .sedtc-head-note {
    flex: 0 0 auto;
    color: var(--sedtc-muted);
    font-family: var(--sedtc-mono);
    font-size: 13px;
    font-weight: 800;
}

#tool-start-end-datetime-calculator .sedtc-datetime-grid,
#tool-start-end-datetime-calculator .sedtc-exclude-grid,
#tool-start-end-datetime-calculator .sedtc-summary-grid,
#tool-start-end-datetime-calculator .sedtc-breakdown-grid,
#tool-start-end-datetime-calculator .sedtc-result-mini,
#tool-start-end-datetime-calculator .sedtc-actions {
    display: grid;
    gap: 10px;
    min-width: 0;
}

#tool-start-end-datetime-calculator .sedtc-datetime-grid,
#tool-start-end-datetime-calculator .sedtc-exclude-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

#tool-start-end-datetime-calculator .sedtc-input-group label,
#tool-start-end-datetime-calculator .sedtc-chip-label,
#tool-start-end-datetime-calculator .sedtc-summary-label,
#tool-start-end-datetime-calculator .sedtc-result-topline,
#tool-start-end-datetime-calculator .sedtc-breakdown-grid span {
    color: var(--sedtc-muted);
    font-size: 13px;
    font-weight: 850;
    letter-spacing: 0.03em;
}

#tool-start-end-datetime-calculator .sedtc-datetime-input,
#tool-start-end-datetime-calculator .sedtc-number-input {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    border: 1px solid var(--sedtc-border-strong);
    border-radius: 10px;
    background: #fff;
    color: var(--sedtc-text);
    font-size: 15px;
    font-weight: 750;
    line-height: 1.4;
    transition: border-color 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

#tool-start-end-datetime-calculator .sedtc-datetime-input {
    padding: 10px 12px;
    font-family: var(--sedtc-mono);
}

#tool-start-end-datetime-calculator .sedtc-number-input {
    border: 0;
    padding: 10px 0 10px 12px;
    background: transparent;
}

#tool-start-end-datetime-calculator .sedtc-datetime-input:hover,
#tool-start-end-datetime-calculator .sedtc-unit-input:hover {
    border-color: #d4c67a;
}

#tool-start-end-datetime-calculator .sedtc-datetime-input:focus,
#tool-start-end-datetime-calculator .sedtc-number-input:focus {
    outline: none;
}

#tool-start-end-datetime-calculator .sedtc-datetime-input:focus,
#tool-start-end-datetime-calculator .sedtc-unit-input:focus-within {
    border-color: var(--sedtc-accent);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.12);
}

#tool-start-end-datetime-calculator .sedtc-input-help {
    margin: 0;
    color: var(--sedtc-muted);
    font-size: 12px;
    line-height: 1.5;
}

#tool-start-end-datetime-calculator .sedtc-unit-input {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    align-items: center;
    min-width: 0;
    border: 1px solid var(--sedtc-border-strong);
    border-radius: 10px;
    background: #fff;
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

#tool-start-end-datetime-calculator .sedtc-unit-input span {
    padding-right: 10px;
    color: var(--sedtc-muted);
    font-size: 13px;
    font-weight: 850;
    white-space: nowrap;
}

#tool-start-end-datetime-calculator .sedtc-preset-zone {
    display: grid;
    gap: 8px;
    min-width: 0;
}

#tool-start-end-datetime-calculator .sedtc-chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-width: 0;
}

#tool-start-end-datetime-calculator .sedtc-preset-chip,
#tool-start-end-datetime-calculator .sedtc-action-btn {
    min-height: 40px;
    border: 1px solid var(--sedtc-border-strong);
    border-radius: 999px;
    background: #fff;
    color: var(--sedtc-text);
    font-size: 13px;
    font-weight: 850;
    cursor: pointer;
    transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

#tool-start-end-datetime-calculator .sedtc-preset-chip {
    padding: 8px 11px;
}

#tool-start-end-datetime-calculator .sedtc-preset-chip:hover,
#tool-start-end-datetime-calculator .sedtc-preset-chip:focus-visible,
#tool-start-end-datetime-calculator .sedtc-action-btn:hover,
#tool-start-end-datetime-calculator .sedtc-action-btn:focus-visible {
    outline: none;
    transform: translateY(-1px);
    border-color: var(--sedtc-accent);
    box-shadow: 0 3px 10px rgba(212, 175, 55, 0.16);
}

#tool-start-end-datetime-calculator .sedtc-preset-chip.is-active {
    border-color: var(--sedtc-accent);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.18), rgba(212, 175, 55, 0.08));
    color: #8a6500;
}

#tool-start-end-datetime-calculator .sedtc-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

#tool-start-end-datetime-calculator .sedtc-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 10px 13px;
}

#tool-start-end-datetime-calculator .sedtc-copy-btn {
    border-color: rgba(79, 143, 98, 0.28);
    background: var(--sedtc-green-soft);
    color: #2f6f45;
}

#tool-start-end-datetime-calculator .sedtc-reset-btn {
    background: var(--sedtc-accent-soft);
    color: #8a6500;
}

#tool-start-end-datetime-calculator .sedtc-tip-list {
    margin: 0;
    padding-left: 18px;
    color: var(--sedtc-muted);
    font-size: 14px;
    line-height: 1.65;
}

#tool-start-end-datetime-calculator .sedtc-tip-list a {
    color: #8a6500;
    font-weight: 850;
    text-decoration: underline;
    text-underline-offset: 3px;
}

#tool-start-end-datetime-calculator .sedtc-hidden {
    display: none !important;
}

#tool-start-end-datetime-calculator .sedtc-warning {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border-color: rgba(180, 83, 9, 0.28);
    background: var(--sedtc-warn-soft);
    color: var(--sedtc-warn);
    font-size: 14px;
    font-weight: 850;
}

#tool-start-end-datetime-calculator .sedtc-main-result {
    display: grid;
    gap: 10px;
    padding: 18px;
    overflow: hidden;
    border-color: rgba(212, 175, 55, 0.34);
    background: linear-gradient(135deg, #fffdf7 0%, #ffffff 52%, #f7fbf5 100%);
}

#tool-start-end-datetime-calculator .sedtc-main-result h3 {
    margin: 0;
    color: var(--sedtc-text);
    font-family: var(--sedtc-mono);
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 900;
    letter-spacing: -0.06em;
    line-height: 1.08;
    overflow-wrap: anywhere;
}

#tool-start-end-datetime-calculator .sedtc-result-lead {
    margin: 0;
    color: var(--sedtc-muted);
    font-size: 15px;
    line-height: 1.64;
}

#tool-start-end-datetime-calculator .sedtc-result-mini {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

#tool-start-end-datetime-calculator .sedtc-result-mini span {
    display: grid;
    gap: 3px;
    min-width: 0;
    padding: 10px;
    border: 1px solid rgba(212, 175, 55, 0.18);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.78);
    color: var(--sedtc-muted);
    font-size: 12px;
    font-weight: 800;
}

#tool-start-end-datetime-calculator .sedtc-result-mini strong,
#tool-start-end-datetime-calculator .sedtc-summary-value,
#tool-start-end-datetime-calculator .sedtc-breakdown-grid strong,
#tool-start-end-datetime-calculator .sedtc-table td {
    font-family: var(--sedtc-mono);
}

#tool-start-end-datetime-calculator .sedtc-result-mini strong {
    color: var(--sedtc-text);
    font-size: 18px;
    font-weight: 900;
    overflow-wrap: anywhere;
}

#tool-start-end-datetime-calculator .sedtc-summary-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

#tool-start-end-datetime-calculator .sedtc-summary-card {
    display: grid;
    gap: 6px;
    padding: 13px;
}

#tool-start-end-datetime-calculator .sedtc-summary-value {
    color: var(--sedtc-text);
    font-size: 17px;
    font-weight: 900;
    line-height: 1.24;
    overflow-wrap: anywhere;
}

#tool-start-end-datetime-calculator .sedtc-summary-card p {
    margin: 0;
    color: var(--sedtc-muted);
    font-size: 12px;
    line-height: 1.45;
}

#tool-start-end-datetime-calculator .sedtc-breakdown-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

#tool-start-end-datetime-calculator .sedtc-breakdown-grid div {
    display: grid;
    gap: 5px;
    min-width: 0;
    padding: 12px;
    border: 1px solid var(--sedtc-border);
    border-radius: 12px;
    background: #fff;
    text-align: center;
}

#tool-start-end-datetime-calculator .sedtc-breakdown-grid strong {
    color: #8a6500;
    font-size: 26px;
    font-weight: 900;
    line-height: 1;
}

#tool-start-end-datetime-calculator .sedtc-table-wrap {
    width: 100%;
    overflow-x: auto;
}

#tool-start-end-datetime-calculator .sedtc-table {
    width: 100%;
    min-width: 0;
    border-collapse: collapse;
    table-layout: fixed;
}

#tool-start-end-datetime-calculator .sedtc-table th,
#tool-start-end-datetime-calculator .sedtc-table td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--sedtc-border);
    color: var(--sedtc-text);
    font-size: 14px;
    line-height: 1.45;
    vertical-align: top;
    overflow-wrap: anywhere;
}

#tool-start-end-datetime-calculator .sedtc-table tr:last-child th,
#tool-start-end-datetime-calculator .sedtc-table tr:last-child td {
    border-bottom: 0;
}

#tool-start-end-datetime-calculator .sedtc-table th {
    width: 36%;
    color: var(--sedtc-muted);
    font-weight: 850;
    text-align: left;
}

#tool-start-end-datetime-calculator .sedtc-note-box {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 13px 14px;
    color: var(--sedtc-muted);
    font-size: 13px;
    line-height: 1.6;
}

#tool-start-end-datetime-calculator .sedtc-note-box i {
    margin-top: 2px;
    color: var(--sedtc-green);
}

#tool-start-end-datetime-calculator .sedtc-note-box p {
    margin: 0;
}

#tool-start-end-datetime-calculator .sedtc-datetime-input.sedtc-invalid,
#tool-start-end-datetime-calculator .sedtc-unit-input.sedtc-invalid {
    border-color: var(--sedtc-warn);
    background: var(--sedtc-warn-soft);
}

@media (max-width: 1080px) {
    #tool-start-end-datetime-calculator .sedtc-layout {
        grid-template-columns: 1fr;
    }

    #tool-start-end-datetime-calculator .sedtc-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    #tool-start-end-datetime-calculator {
        gap: 14px;
        padding: 16px;
        border-radius: 14px;
    }

    #tool-start-end-datetime-calculator .sedtc-datetime-grid,
    #tool-start-end-datetime-calculator .sedtc-exclude-grid,
    #tool-start-end-datetime-calculator .sedtc-actions,
    #tool-start-end-datetime-calculator .sedtc-result-mini,
    #tool-start-end-datetime-calculator .sedtc-summary-grid,
    #tool-start-end-datetime-calculator .sedtc-breakdown-grid {
        grid-template-columns: 1fr;
    }

    #tool-start-end-datetime-calculator .sedtc-card,
    #tool-start-end-datetime-calculator .sedtc-main-result {
        padding: 14px;
    }

    #tool-start-end-datetime-calculator .sedtc-card-head {
        align-items: flex-start;
        flex-direction: column;
    }

    #tool-start-end-datetime-calculator .sedtc-chip-group {
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
    }

    #tool-start-end-datetime-calculator .sedtc-preset-chip,
    #tool-start-end-datetime-calculator .sedtc-action-btn {
        width: 100%;
    }

    #tool-start-end-datetime-calculator .sedtc-table th,
    #tool-start-end-datetime-calculator .sedtc-table td {
        display: block;
        width: 100%;
        padding: 8px 0;
    }

    #tool-start-end-datetime-calculator .sedtc-table th {
        padding-bottom: 2px;
        border-bottom: 0;
    }
}