/* ===================================================
   เทศบาลนครนครสวรรค์ — Theme Mode (สว่าง / เทา-ดำ)
   Adaptive Visual Accessibility & Monochrome Tone Support
   =================================================== */

/* Root Grayscale / Monochrome Mode Filter */
html.nsm-dark-mode,
html.nsm-grayscale-mode {
    filter: grayscale(100%) contrast(104%);
    -webkit-filter: grayscale(100%) contrast(104%);
}

/* Ensure smooth transition when switching modes */
html {
    transition: filter 0.35s ease, -webkit-filter 0.35s ease;
}

/* Floating Theme Mode Toggle Widget (Positioned above Nong Mangkee & Teaser) */
.nsm-theme-mode-widget {
    position: fixed;
    bottom: 262px;
    right: 32px;
    z-index: 1490;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 180ms ease, visibility 180ms ease, transform 250ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Floating Action Button */
.nsm-theme-toggle-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #ffffff;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2.5px solid #581c87;
    color: #581c87;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(88, 28, 135, 0.22), 0 2px 6px rgba(0, 0, 0, 0.08);
    position: relative;
    padding: 0;
    outline: none;
    transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.nsm-theme-toggle-btn:hover {
    transform: scale(1.12) translateY(-2px);
    box-shadow: 0 12px 30px rgba(88, 28, 135, 0.35);
    background: #581c87;
    color: #ffd700;
    border-color: #ffd700;
}

.nsm-theme-toggle-btn:active {
    transform: scale(0.95);
}

/* Toggle Icon */
.nsm-theme-toggle-icon {
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nsm-theme-toggle-btn:hover .nsm-theme-toggle-icon .fa-moon {
    transform: rotate(-25deg) scale(1.18);
    color: #f6c86e;
    filter: drop-shadow(0 0 8px rgba(246, 200, 110, 0.7));
}

.nsm-theme-toggle-btn:hover .nsm-theme-toggle-icon .fa-sun {
    transform: rotate(90deg) scale(1.18);
    color: #fbbf24;
    filter: drop-shadow(0 0 10px rgba(251, 191, 36, 0.85));
}

.nsm-theme-toggle-btn:hover .nsm-theme-toggle-icon {
    transform: scale(1.05);
}

/* Tooltip Badge */
.nsm-theme-tooltip {
    position: absolute;
    right: 58px;
    white-space: nowrap;
    background: #1e1b4b;
    color: #ffffff;
    padding: 6px 14px;
    border-radius: 8px;
    font-family: 'Kanit', sans-serif;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.2px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
}

.nsm-theme-tooltip::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -6px;
    transform: translateY(-50%);
    border-width: 6px 0 6px 6px;
    border-style: solid;
    border-color: transparent transparent transparent #1e1b4b;
}

.nsm-theme-toggle-btn:hover .nsm-theme-tooltip,
.nsm-theme-toggle-btn:focus-visible .nsm-theme-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Style adjustments when in Dark / Monochrome Mode */
html.nsm-dark-mode .nsm-theme-toggle-btn,
html.nsm-grayscale-mode .nsm-theme-toggle-btn {
    background: #1e293b !important;
    border-color: #f8fafc !important;
    color: #f8fafc !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45) !important;
}

html.nsm-dark-mode .nsm-theme-toggle-btn:hover,
html.nsm-grayscale-mode .nsm-theme-toggle-btn:hover {
    background: #f8fafc !important;
    border-color: #0f172a !important;
    color: #0f172a !important;
    box-shadow: 0 12px 30px rgba(255, 255, 255, 0.3) !important;
}

html.nsm-dark-mode .nsm-theme-tooltip,
html.nsm-grayscale-mode .nsm-theme-tooltip {
    background: #0f172a !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
    color: #f8fafc !important;
}

html.nsm-dark-mode .nsm-theme-tooltip::after,
html.nsm-grayscale-mode .nsm-theme-tooltip::after {
    border-color: transparent transparent transparent #0f172a !important;
}

/* Hide or adjust widget when chat modal is open */
body.nsm-redesign .nsm-theme-mode-widget.is-chat-open,
.nsm-theme-mode-widget.is-chat-open {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(10px);
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
    .nsm-theme-mode-widget {
        bottom: 254px;
        right: 28px;
    }
}

@media (max-width: 640px) {
    .nsm-theme-mode-widget {
        bottom: 246px;
        right: 24px;
    }
    .nsm-theme-toggle-btn {
        width: 44px;
        height: 44px;
    }
    .nsm-theme-toggle-icon {
        font-size: 1.15rem;
    }
    .nsm-theme-tooltip {
        display: none;
    }
}