:root {
    --accent-color-rgb: 56, 142, 255;
    --accent-color: #388eff;
    --accent-hover: #58a6ff;
    --bg-color: #1c1c1e;
    --bar-bg: #2c2c2e;
    --border-color: rgba(88, 88, 91, 0.5);
    --text-primary: #f2f2f7;
    --text-secondary: #aeb0b4;
    --danger-color: #ff453a;
    --danger-dark: #c82333;
    --success-color: #28a745;
    --success-dark: #218838;
    --success-hover: #34c759;
}

html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    overflow: hidden;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    display: grid;
    grid-template-rows: auto 1fr auto;
    touch-action: manipulation;
    height: 100vh;
    height: 100dvh;
    overscroll-behavior-y: contain;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Top Bar --- */
#top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bar-bg);
    padding: 0 15px;
    height: 50px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    padding-top: env(safe-area-inset-top);
}

#site-title-mobile {
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px; 
    text-decoration: none;
    color: inherit;
}

#site-logo-mobile {
    height: 22px; 
}

#clock-date {
    text-align: right;
}

#clock {
    font-size: 16px;
    font-weight: 500;
}

#date {
    font-size: 12px;
    color: var(--text-secondary);
}

.desktop-btn {
    display: none;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s ease;
}
.desktop-btn:hover {
    background-color: var(--accent-color);
    color: var(--text-primary);
    border-color: var(--accent-color);
}

@media (min-width: 1025px) {
    .desktop-btn {
        display: inline-block;
    }
}


/* --- Main Content Area --- */
#main-content {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    box-sizing: border-box;
}

.tool-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-color);
    padding: 15px;
    box-sizing: border-box;
}

/* --- Bottom Navigation Bar --- */
#bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: var(--bar-bg);
    height: 85px; 
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
    padding: 5px 0;
    padding-bottom: calc(5px + env(safe-area-inset-bottom));
}

.nav-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    height: 100%;
    border-radius: 16px;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-btn.active {
    color: var(--accent-color);
}

.nav-btn i {
    font-size: 26px;
}

/* --- General Tool Styles --- */
.tool-controls {
    display: flex;
    gap: 10px;
    padding: 10px;
    background-color: transparent;
    border-radius: 8px;
    margin-top: 15px;
    align-items: center;
}

.tool-btn {
    width: 75px;
    height: 75px;
    font-size: 30px;
    border-radius: 50%;
    border: none;
    color: white;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-btn:active {
    transform: scale(0.95);
}

/* --- Drawing Tool --- */
#draw-canvas {
    touch-action: none;
    width: 100%;
    height: 100%;
    background-color: #333;
}
#draw-controls {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 3px;
    padding: 4px;
    background: rgba(44, 44, 46, 0.8);
    border-radius: 12px;
    align-items: center;
}
.color-swatch {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color 0.2s ease;
}
#draw-controls input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 50px;
    height: 8px;
    background: #555;
    border-radius: 5px;
    outline: none;
    opacity: 0.7;
    -webkit-transition: .2s;
    transition: opacity .2s;
}
#draw-controls input[type="range"]:hover {
    opacity: 1;
}
#draw-controls input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    cursor: pointer;
    border-radius: 50%;
    border: 2px solid white;
}
#draw-controls input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    cursor: pointer;
    border-radius: 50%;
    border: 2px solid white;
}
.tool-btn-draw {
    background: none;
    border: 2px solid transparent;
    color: var(--text-secondary);
    width: 38px;
    height: 38px;
    border-radius: 10px;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}
.tool-btn-draw:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
}
.color-swatch.active, .tool-btn-draw.active {
    border-color: white;
    color: white;
}


/* --- Timer/Stopwatch/Countdown Tool --- */
#main-content.timer-active {
     padding: 8px;
     padding-bottom: calc(8px + env(safe-area-inset-bottom));
}

.timer-display {
    font-weight: 700;
    font-family: 'monospace';
    line-height: 1;
}
.countdown-display-wrapper {
    position: relative;
    width: 90%;
    height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: auto;
}
.countdown-display-wrapper svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.countdown-time {
    position: relative;
    z-index: 1;
}
.countdown-selection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    width: 100%;
    max-width: 900px;
}
.countdown-btn {
    background-color: var(--bar-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 25px 15px;
    border-radius: 12px;
    font-size: 36px;
    font-weight: 500;
    cursor: pointer;
}
.countdown-title {
    margin-bottom: 20px;
    font-size: 60px;
    color: var(--text-secondary);
}

/* --- Dice Tool --- */
.tool-container.dice-active {
    display: grid;
    grid-template-rows: 1fr auto;
    padding: 0;
    padding-bottom: env(safe-area-inset-bottom, 0);
}
.die-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
    padding: 8px;
    box-sizing: border-box;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 10px;
}
.die { 
    box-sizing: border-box; 
    background-color: white; 
    border-radius: 12px; 
    padding: 9px; 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    grid-template-rows: repeat(3, 1fr); 
    gap: 6px; 
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.2); 
}
.die .die-dot { 
    visibility: hidden; 
    width: 100%; 
    height: 100%; 
    background-color: black; 
    border-radius: 50%; 
}
.die[data-value="1"] .dot-5,
.die[data-value="2"] .dot-1, .die[data-value="2"] .dot-9,
.die[data-value="3"] .dot-1, .die[data-value="3"] .dot-5, .die[data-value="3"] .dot-9,
.die[data-value="4"] .dot-1, .die[data-value="4"] .dot-3, .die[data-value="4"] .dot-7, .die[data-value="4"] .dot-9,
.die[data-value="5"] .dot-1, .die[data-value="5"] .dot-3, .die[data-value="5"] .dot-5, .die[data-value="5"] .dot-7, .die[data-value="5"] .dot-9,
.die[data-value="6"] .dot-1, .die[data-value="6"] .dot-3, .die[data-value="6"] .dot-4, .die[data-value="6"] .dot-6, .die[data-value="6"] .dot-7, .die[data-value="6"] .dot-9 { visibility: visible; }

.die.rolling {
    animation: roll 0.5s ease-in-out;
}
@keyframes roll {
    0% { transform: rotate(0deg) scale(1); }
    25% { transform: rotate(15deg) scale(1.1); }
    75% { transform: rotate(-15deg) scale(1.1); }
    100% { transform: rotate(0deg) scale(1); }
}
.dice-controls { 
    background-color: var(--bg-color); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    gap: 8px; 
    padding: 8px;
    padding-bottom: calc(env(safe-area-inset-bottom, 0) + 8px);
    flex-wrap: nowrap; 
}
.dice-controls .tool-btn {
    width: clamp(36px, 7vh, 56px);
    height: clamp(36px, 7vh, 56px);
    font-size: clamp(16px, 2.2vh, 24px);
    border-radius: 12px;
}
.dice-controls .dice-total {
    font-size: clamp(12px, 1.9vh, 16px);
    min-width: 72px;
    text-align: center;
    color: white;
    font-weight: bold;
}

/* --- For and Against Tool --- */
#main-content.for-against-active {
    padding: 8px;
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
}
.for-against-container {
    display: flex;
    width: 100%;
    height: 100%;
    gap: 8px;
    box-sizing: border-box;
}
.for-against-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    color: white;
    border-radius: 16px;
    padding: clamp(10px, 3vmin, 25px);
    box-sizing: border-box;
    transition: transform 0.15s ease;
    cursor: pointer;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    min-height: 0; /* Prevents overflow on short screens */
}
.for-against-panel:active {
    transform: scale(0.98);
}
.for-panel {
    background: linear-gradient(135deg, var(--success-color), var(--success-dark));
}
.against-panel {
    background: linear-gradient(135deg, var(--danger-color), var(--danger-dark));
}
.for-against-panel h2 {
    font-size: clamp(1.2rem, 4.5vmin, 2.2rem);
    margin: 0 0 10px 0;
    text-shadow: 0 2px 5px rgba(0,0,0,0.25);
}
.for-against-display {
    font-size: clamp(4rem, 28vmin, 15rem);
    font-weight: 900;
    line-height: 1;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-shadow: 0 5px 15px rgba(0,0,0,0.3);
}
.for-against-controls {
    display: flex;
    gap: clamp(8px, 2vmin, 15px);
    align-items: center;
    margin-top: 10px;
}
.for-against-controls .tool-btn {
    width: clamp(38px, 9vmin, 55px);
    height: clamp(38px, 9vmin, 55px);
    font-size: clamp(16px, 3.5vmin, 22px);
    border-radius: 50%;
    background-color: rgba(0,0,0,0.2);
    box-shadow: 0 2px 5px rgba(0,0,0,0.15);
}
.for-against-controls .tool-btn:active {
    background-color: rgba(0,0,0,0.3);
}

/* --- Overlay Icon for Sounds --- */
.overlay-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    font-size: 25vh;
    font-weight: 700;
    color: var(--text-primary);
    opacity: 1;
    z-index: 100;
    pointer-events: none;
    text-shadow: 0 0 20px rgba(0,0,0,0.5);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

/* --- Splash screen overlay --- */
#splash-screen {
    position: fixed;
    inset: 0;
    background-color: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease;
    opacity: 1;
}
#splash-screen img {
    height: 110px;
    width: auto;
}

/* === Calculator UI === */
#main-content.calculator-active {
    padding: 8px;
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
}
.calculator-grid {
    border-radius: 18px;
    background: radial-gradient(120% 120% at 50% -10%, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 60%), #1b1b1d;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 16px 40px rgba(0,0,0,0.45), 0 1px 0 rgba(255,255,255,0.06) inset;
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: grid;
    grid-template-rows: auto 1fr;
}
.calculator-display {
    padding: 20px 22px;
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
    border-bottom: 1px solid rgba(255,255,255,0.08);
    text-align: right;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
#calc-expression, #calc-input {
    font-variant-numeric: tabular-nums lining-nums;
    letter-spacing: 0.25px;
}
#calc-expression {
    font-size: clamp(14px, 3.5vw, 18px);
    opacity: 0.85;
    font-weight: 500;
    line-height: 1.25;
    color: var(--text-secondary);
    min-height: 1.25em;
}
#calc-input {
    font-size: clamp(24px, 10vw, 60px);
    line-height: 1.1;
    text-shadow: 0 2px 18px rgba(0,0,0,0.5);
    color: var(--text-primary);
    word-wrap: break-word;
}
.calculator-buttons {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-auto-rows: 1fr;
    gap: 8px;
    padding: 10px;
    background: transparent;
}
.calc-btn {
    position: relative;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.08);
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
    box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset, 0 10px 22px rgba(0,0,0,0.4);
    transition: transform 0.06s ease, box-shadow 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    padding: 12px 8px;
    text-align: center;
    font-size: clamp(14px, 5vw, 28px);
    color: var(--text-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}
.calc-btn:hover { border-color: rgba(var(--accent-color-rgb), 0.4); }
.calc-btn:focus-visible {
    outline: 0;
    box-shadow: 0 0 0 2px rgba(0,0,0,0.8), 0 0 0 4px rgba(var(--accent-color-rgb), 0.75);
}
.calc-btn:active {
    transform: translateY(1px);
    box-shadow: 0 0 0 rgba(0,0,0,0), 0 2px 10px rgba(0,0,0,0.5) inset;
}
.calc-btn.function {
    color: var(--text-secondary);
    background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
}
.calc-btn.operator {
    color: #f1f2f7;
    background: linear-gradient(180deg, #35363a, #2a2b2f);
    border-color: rgba(255,255,255,0.1);
}
.calc-btn.operator:hover {
    background: linear-gradient(180deg, rgba(var(--accent-color-rgb),0.35), rgba(var(--accent-color-rgb),0.18));
    color: #fff;
    border-color: rgba(var(--accent-color-rgb), 0.55);
}
.calc-btn.ac {
    background: linear-gradient(180deg, #ff665d, #d94b42);
    color: #fff;
    border: none;
    font-weight: 800;
}
.calc-btn.equals {
    background: linear-gradient(180deg, var(--accent-color), #2a57c3);
    color: white;
    border: none;
    border-radius: 16px;
    box-shadow: 0 12px 26px rgba(56,98,196,0.55), 0 1px 0 rgba(255,255,255,0.25) inset;
    font-weight: 800;
}
.calc-btn.equals:active { animation: pulse 120ms ease-out; }
@keyframes pulse {
    0% { transform: translateY(0); box-shadow: 0 10px 24px rgba(56,98,196,0.55), 0 1px 0 rgba(255,255,255,0.25) inset; }
    50% { transform: translateY(1px); box-shadow: 0 4px 14px rgba(56,98,196,0.45), 0 1px 0 rgba(255,255,255,0.15) inset; }
    100% { transform: translateY(0); }
}
.calc-btn .ripple {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    opacity: 0;
    transform: scale(0.85);
    background: radial-gradient(120% 120% at var(--x,50%) var(--y,50%), rgba(255,255,255,0.35), transparent 40%);
    animation: ripple 450ms ease-out;
}
@keyframes ripple {
    0% { opacity: 0.0; transform: scale(0.9); }
    20% { opacity: 0.7; transform: scale(1.0); }
    100% { opacity: 0.0; transform: scale(1.1); }
}

/* Styles for mobile phones */
@media (max-width: 767px) {
    .calculator-grid {
        width: 80%;
    }
    .countdown-btn {
        font-size: 18px;
        padding: 20px 10px;
    }
}

/* Styles for short screens */
@media (max-height: 720px) {
    .calculator-display {
        padding: 10px 22px;
    }
    .calculator-buttons {
        gap: 5px;
        padding: 8px;
    }
    .calc-btn {
        padding: 8px;
        border-radius: 10px;
    }
    .calc-btn.equals {
        border-radius: 12px;
    }
}

/* Switches to a vertical layout on narrow/short screens */
@media (max-width: 420px), (max-height: 420px) {
    .for-against-container {
        flex-direction: column;
    }
}

/* --- Numbered List Tool Styles --- */
#main-content.numbered-list-active {
    padding: 8px;
}
.numbered-list-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}
.list-title {
    text-align: center;
    font-size: clamp(3rem, 12vmin, 4.4rem);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 8px 0;
    padding: 4px 8px;
    border-radius: 6px;
    cursor: text;
    outline: none;
    transition: background-color 0.2s;
}
.list-title:focus {
    background-color: rgba(255, 255, 255, 0.1);
}
.list-table-wrapper {
    flex-grow: 1;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background-color: rgba(0, 0, 0, 0.15);
}
.list-table {
    width: 100%;
    border-collapse: collapse;
}
.list-table tr {
    border-bottom: 1px solid var(--border-color);
}
.list-table td {
    padding: 20px;
    vertical-align: middle;
}
.list-table tr:last-child {
    border-bottom: none;
}
.col-number {
    width: 60px;
    text-align: center;
    color: var(--text-secondary);
    font-weight: 500;
    padding-right: 0 !important;
    font-size: 2rem;
}
.col-text input {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    outline: none;
    padding: 4px 0;
}
.col-counter {
    width: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
}
.counter-value {
    font-weight: 700;
    font-size: 2.2em;
    min-width: 25px;
    text-align: center;
}
.counter-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 2.2em;
    transition: background-color 0.2s;
}
.counter-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}
.list-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding-top: 12px;
    flex-shrink: 0;
}
.control-btn-large {
    width: clamp(45px, 12vmin, 60px);
    height: clamp(45px, 12vmin, 60px);
    font-size: clamp(1rem, 4vmin, 1.5rem);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    background-color: var(--bar-bg);
    transition: all 0.2s;
}
.control-btn-large:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}