/* Basic Styles */
:root, body.dark-theme {
    --bg-color: #0F172A; /* Deep Slate Blue */
    --header-bg: rgba(15, 23, 42, 0.7);
    --card-bg: #1E293B; /* Slate 800 */
    --card-border: #334155; /* Slate 700 */
    --text-primary: #F8FAFC; /* Slate 50 */
    --text-secondary: #94A3B8; /* Slate 400 */
    --accent-primary: #6366F1; /* Indigo 500 */
    --accent-secondary: #4F46E5; /* Indigo 600 */
    --glow-primary: rgba(99, 102, 241, 0.4);
    --button-bg: var(--accent-primary);
    --button-hover-bg: var(--accent-secondary);
    --button-text-color: #ffffff;
    --input-bg: #020617; /* Deepest Slate */
    --error-color: #EF4444; /* Red 500 */
    --shadow-dark: rgba(0, 0, 0, 0.4); 
    --shadow-light: rgba(255, 255, 255, 0.05);
    --card-bg-translucent: rgba(30, 41, 59, 0.8); 
    --sidebar-bg: #0F172A;
}

body.light-theme {
    --bg-color: #F8FAFC; /* Slate 50 */
    --header-bg: rgba(248, 250, 252, 0.7);
    --card-bg: #ffffff; 
    --card-border: #E2E8F0; /* Slate 200 */
    --text-primary: #0F172A; /* Slate 900 */
    --text-secondary: #475569; /* Slate 600 */
    --accent-primary: #4F46E5; /* Indigo 600 */
    --accent-secondary: #4338CA; /* Indigo 700 */
    --glow-primary: rgba(79, 70, 229, 0.3);
    --button-bg: var(--accent-primary);
    --button-hover-bg: var(--accent-secondary);
    --button-text-color: #ffffff;
    --input-bg: #F1F5F9; /* Slate 100 */
    --error-color: #DC2626; /* Red 600 */
    --shadow-dark: rgba(0, 0, 0, 0.05);
    --shadow-light: rgba(255, 255, 255, 0.8);
    --card-bg-translucent: rgba(255, 255, 255, 0.8);
    --sidebar-bg: #ffffff;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

#preloader {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--bg-color); z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.5s ease;
}
.spinner {
    width: 60px; height: 60px;
    border: 5px solid var(--card-border); border-top-color: var(--accent-primary);
    border-radius: 50%; animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

p { color: var(--text-secondary); line-height: 1.7; }

/* Browser autofill override */
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 40px var(--input-bg) inset !important;
    -webkit-text-fill-color: var(--text-primary) !important;
    caret-color: var(--text-primary) !important;
    border-radius: 8px !important;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }
h1, h2, h3, h4, .logo-text { font-weight: 600; color: var(--text-primary); }
a { color: var(--accent-primary); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--accent-secondary); }

.primary-button, .btn {
    color: var(--button-text-color); background: var(--button-bg);
    transition: all 0.3s ease;
}
.primary-button:hover, .btn:hover { 
    background: var(--button-hover-bg);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 20px var(--glow-primary);
}
.btn-light {
     background: var(--input-bg);
     color: var(--text-primary);
     border: 1px solid var(--card-border);
}
.btn-light:hover {
    background: var(--card-border);
    border-color: var(--text-primary);
}

#sidebar {
    transition: transform 0.3s ease-in-out;
}

.tool-card {
    aspect-ratio: 1 / 1;
    background: transparent;
    border: none;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.tool-card.visible { opacity: 1; transform: translateY(0); }
.tool-card-flipper { position: relative; width: 100%; height: 100%; transition: transform 0.8s cubic-bezier(0.76, 0, 0.24, 1); transform-style: preserve-3d; }
.tool-card:hover .tool-card-flipper { transform: rotateY(180deg); }
.card-front, .card-back { position: absolute; width: 100%; height: 100%; backface-visibility: hidden; -webkit-backface-visibility: hidden; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 1.5rem; border-radius: 30px; background: var(--card-bg); border: 1px solid var(--card-border); overflow: hidden; transition: box-shadow 0.4s ease, transform 0.4s ease; box-shadow: 12px 12px 24px var(--shadow-dark), -12px -12px 24px var(--shadow-light); }
.card-back { transform: rotateY(180deg); justify-content: space-around; box-shadow: 12px 12px 24px var(--shadow-dark), -12px -12px 24px var(--shadow-light); }
.card-front .card-icon { font-size: 4rem; color: var(--accent-primary); margin-bottom: 1.5rem; text-shadow: 0 0 20px var(--glow-primary); transition: transform 0.4s ease, color 0.4s ease; }
.tool-card:hover .card-front .card-icon { transform: scale(1.1); color: var(--accent-secondary); }
.card-front h3, .card-back h3 { font-size: 1.3rem; line-height: 1.3; }
.card-back p { font-size: 0.85rem; margin: 0.5rem 0; color: var(--text-secondary); text-align: center; }
.card-back .launch-button { padding: 0.6rem 1.5rem; font-size: 0.8rem; font-weight: 600; color: var(--button-text-color); background: var(--accent-secondary); border: none; border-radius: 8px; transition: all 0.3s ease; box-shadow: 0 4px 10px rgba(0,0,0,0.2); margin-top: 0.5rem; }
.card-back .launch-button:hover { background: var(--button-hover-bg); transform: scale(1.05); box-shadow: 0 6px 15px var(--glow-primary); }

.flatpickr-calendar { background: var(--card-bg); border: 1px solid var(--card-border); color: var(--text-primary); box-shadow: 0 5px 15px rgba(0,0,0,0.3); }
.flatpickr-months .flatpickr-month { color: var(--text-primary); fill: var(--text-primary); }
.flatpickr-months .flatpickr-prev-month, .flatpickr-months .flatpickr-next-month { fill: var(--text-primary); }
.flatpickr-months .flatpickr-prev-month:hover svg, .flatpickr-months .flatpickr-next-month:hover svg { fill: var(--accent-primary); }
.flatpickr-weekdays { background: var(--bg-color); }
span.flatpickr-weekday { color: var(--text-secondary); }
.flatpickr-day { color: var(--text-primary); }
.flatpickr-day:hover, .flatpickr-day:focus { background: var(--input-bg); border-color: var(--input-bg); }
.flatpickr-day.selected, .flatpickr-day.startRange, .flatpickr-day.endRange { background: var(--accent-primary); border-color: var(--accent-primary); color: var(--button-text-color); }
.flatpickr-day.today { border-color: var(--accent-secondary); }
.flatpickr-time { border-top: 1px solid var(--card-border); }
.flatpickr-time .numInput, .flatpickr-time .numInputWrapper { color: var(--text-primary); }
.flatpickr-time .flatpickr-am-pm { color: var(--text-primary); background: var(--input-bg); }
.flatpickr-time .flatpickr-time-separator, .flatpickr-time .flatpickr-am-pm:hover { color: var(--accent-primary); }

/* === UI FIX FOR DARK THEME TIME PICKER === */
.flatpickr-time input.numInput {
    background: var(--input-bg) !important;
    border: 1px solid var(--card-border) !important;
}
.flatpickr-time .arrowUp, .flatpickr-time .arrowDown {
    fill: var(--text-secondary) !important;
}
.flatpickr-time .arrowUp:hover, .flatpickr-time .arrowDown:hover {
    fill: var(--accent-primary) !important;
}
body.dark-theme .flatpickr-time .flatpickr-am-pm {
    background: var(--input-bg) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--card-border) !important;
    box-shadow: none !important;
}
body.dark-theme .flatpickr-time .flatpickr-am-pm:hover {
    background: var(--card-border) !important;
}

/* === UI FIX FOR DARK THEME MONTH/YEAR PICKER === */
body.dark-theme .flatpickr-monthDropdown-months {
    background: var(--card-bg) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--card-border) !important;
}
body.dark-theme .flatpickr-monthDropdown-months .flatpickr-monthDropdown-month:hover {
    background: var(--input-bg) !important;
    color: var(--text-primary) !important;
}
body.dark-theme .numInputWrapper .numInput {
    background: var(--card-bg) !important;
    color: var(--text-primary) !important;
}

body input.flatpickr-input {
    background-color: var(--input-bg) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--card-border) !important;
}

header {
    animation: slideDown 0.8s ease-out;
    animation-fill-mode: forwards;
}
@keyframes slideDown { from { transform: translateY(-100%); } to { transform: translateY(0); } }

body.sidebar-open #sidebar { transform: translateX(0); }
body.sidebar-open #main-content-wrapper { transform: translateX(288px); }
@media (min-width: 1024px) {
    body.sidebar-open #main-content-wrapper, body.sidebar-open header {
        margin-left: 288px;
        transform: translateX(0);
    }
}

/* Highlighted Result Card */
.highlight-result-card {
    background: linear-gradient(145deg, var(--accent-primary), var(--accent-secondary));
    color: var(--button-text-color);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    padding: 1.5rem;
    border-radius: 1rem;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    box-shadow: 0 8px 25px var(--glow-primary);
}

/* New Clock Styles */
.live-clock-container {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 5px solid var(--card-border);
    box-shadow: 0 0 25px var(--shadow-dark), inset 0 0 15px var(--shadow-dark);
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.live-clock-container .clock-face {
    width: 100%;
    height: 100%;
    position: relative;
}
.live-clock-container .number {
    position: absolute;
    width: 100%;
    height: 100%;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Orbitron', sans-serif;
    transform: rotate(var(--rotation));
}
.live-clock-container .number span {
    display: inline-block;
    transform: rotate(calc(-1 * var(--rotation)));
}
.live-clock-container .hand {
    position: absolute;
    bottom: 50%;
    left: 50%;
    transform-origin: bottom;
    background-color: var(--text-primary);
    border-radius: 50% 50% 0 0;
    z-index: 10;
}
.live-clock-container .hour-hand { width: 6px; height: 60px; background-color: var(--accent-primary); }
.live-clock-container .minute-hand { width: 4px; height: 80px; }
.live-clock-container .second-hand { width: 2px; height: 90px; background-color: var(--error-color); }
.live-clock-container .clock-center {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--text-primary);
    border-radius: 50%;
    border: 2px solid var(--error-color);
    z-index: 11;
}

/* New Calendar Styles */
.live-calendar-container {
    width: 280px;
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 1rem;
    border: 1px solid var(--card-border);
    box-shadow: 0 10px 30px var(--shadow-dark);
}
.live-calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.2rem;
    color: var(--text-primary);
}
.live-calendar-header h3 { font-size: 1.25rem; font-weight: 700; }
.live-calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    padding: 0.5rem 0;
}
.live-calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}
.live-calendar-days div {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 35px;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}
.live-calendar-days .prev-month,
.live-calendar-days .next-month {
    color: var(--text-secondary);
    opacity: 0.5;
}
.live-calendar-days .today {
    background-color: var(--accent-primary);
    color: var(--button-text-color);
    border-radius: 50%;
    font-weight: 700;
}

/* Table Style for Results */
.results-table-container {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--card-border);
    border-radius: 0.5rem;
    margin-top: 1.5rem;
}
.results-table {
    width: 100%;
    border-collapse: collapse;
}
.results-table th, .results-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--card-border);
}
.results-table th {
    background-color: var(--input-bg);
    position: sticky;
    top: 0;
    text-align: center;
    color: var(--text-primary);
}
.results-table td:nth-child(odd) {
    color: var(--text-secondary);
}
.results-table td:nth-child(even) {
    font-weight: 500;
}
.results-table tr:last-child td {
    border-bottom: none;
}
.results-table tr:nth-child(even) {
    background-color: var(--input-bg);
}

/* Professional Typewriter Animation */
.typewriter-text {
    display: inline-block !important;
    position: relative;
    font-weight: 700;
    letter-spacing: 1px;
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 10px var(--glow-primary);
    overflow: hidden;
    white-space: nowrap;
    visibility: visible !important;
    opacity: 1 !important;
    color: var(--text-primary) !important;
    min-height: 1.5em; /* Ensure element takes up space */
}

.typewriter-text.animated-glow {
    /* Removed - glow effect now applied directly via JavaScript */
}

@keyframes blink-caret {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@keyframes glow-pulse {
    0% { text-shadow: 0 0 10px var(--glow-primary); }
    100% { text-shadow: 0 0 20px var(--glow-primary), 0 0 30px var(--accent-primary); }
}

/* Related Tools Section */
.related-tools-section h3 {
    color: var(--text-primary);
}

.related-tool-card {
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.related-tool-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--shadow-dark);
    border-color: var(--accent-primary);
}

/* SEO Content Styles */
#seo-body h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}
#seo-body p, #seo-body li {
    color: var(--text-secondary);
    text-align: justify;
}
#seo-body ul, #seo-body ol {
    list-style-position: inside;
    padding-left: 1rem;
    margin-bottom: 1rem;
}
#seo-body ul { list-style-type: disc; }
#seo-body ol { list-style-type: decimal; }
#seo-body li { margin-bottom: 0.5rem; }
#seo-body strong { color: var(--text-primary); }

/* === RESPONSIVE TABLE FOR DAYS FROM NOW/AGO === */
@media (max-width: 640px) {
    .results-table[data-responsive-layout="true"] thead {
        display: none;
    }
    .results-table[data-responsive-layout="true"] tr {
        display: block;
        margin-bottom: 1rem;
        border-bottom: 2px solid var(--accent-primary);
        padding-bottom: 1rem;
    }
    .results-table[data-responsive-layout="true"] tr:last-child {
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0;
    }
    .results-table[data-responsive-layout="true"] td {
        display: block;
        text-align: left;
        border-bottom: none;
        padding: 0.25rem 0.5rem;
    }
    .results-table[data-responsive-layout="true"] td:nth-child(even) {
         padding-bottom: 0.75rem;
    }
}

/* Styles for Hero Section Chart Animation */
#hero-tool-charts {
    transition: max-height 0.7s ease-in-out, opacity 0.7s ease-in-out, margin-top 0.7s ease-in-out;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0 !important;
}
#hero-tool-container.charts-visible #hero-tool-charts {
    max-height: 1000px;
    opacity: 1;
    margin-top: .5rem !important;
}