/* binarny.css */

:root {
    --binary-active: #00f2fe; /* Default Cyan */
    --binary-glow: 0 0 15px rgba(0, 242, 254, 0.6);
    --binary-inactive: rgba(255, 255, 255, 0.1);
}

body.light-mode {
    --binary-inactive: rgba(0, 0, 0, 0.1);
}

/* Controls Bar */
.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
    border-radius: 16px;
}

.toggles {
    display: flex;
    align-items: center;
}

.toggle-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-primary);
    user-select: none;
}

.toggle-container input { display: none; }

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-secondary);
    border-radius: 4px;
    position: relative;
    transition: all 0.3s;
}

.toggle-container input:checked ~ .checkmark {
    background: var(--binary-active);
    border-color: var(--binary-active);
    box-shadow: var(--binary-glow);
}

.color-picker {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.color-picker span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.color-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.2s;
}

.color-btn:hover { transform: scale(1.2); }
.color-btn.active { border-color: var(--text-primary); transform: scale(1.1); }

/* Main Clock Container */
.clock-container {
    padding: 3rem 1rem;
    margin-bottom: 2rem;
    border-radius: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-title {
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-size: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Binary Grid */
.binary-grid {
    display: grid;
    /* 1 col for labels + 6 cols for time */
    grid-template-columns: auto repeat(2, 1fr) 0.5fr repeat(2, 1fr) 0.5fr repeat(2, 1fr);
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
    max-width: 600px;
    width: 100%;
}

/* Column Wrapper */
.column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Separators (Empty cols in grid template) */
.separator-col {
    display: none; /* Handled via grid gap/template, but purely visual */
}

/* The Bits (Dots) */
.bit {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--binary-inactive);
    transition: all 0.2s ease-in-out;
    border: 1px solid rgba(255,255,255,0.05);
}

.bit.active {
    background: var(--binary-active);
    box-shadow: var(--binary-glow);
    border-color: transparent;
    transform: scale(1.05);
}

/* Labels Column (8, 4, 2, 1) */
.value-labels {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: space-between;
    height: 100%;
    padding-right: 1rem;
    opacity: 0;
    transition: opacity 0.3s;
}

.value-labels.visible { opacity: 1; }

.v-label {
    height: 50px; /* Match bit height */
    display: flex;
    align-items: center;
    justify-content: flex-end;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* Digital Helper Row */
.digital-helper {
    display: grid;
    /* Aligns with the binary grid columns */
    grid-template-columns: repeat(2, 1fr) 0.5fr repeat(2, 1fr) 0.5fr repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 600px; /* minus label width approx */
    width: 100%;
    /* Shift right to account for missing label column in this specific grid */
    margin-top: 1rem;
    margin-left: 3rem; 
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    color: var(--text-primary);
    opacity: 0;
    transition: opacity 0.3s;
}

.digital-helper.visible { opacity: 1; }

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-card {
    padding: 1.5rem;
    border-radius: 20px;
}

.info-card h3 {
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 0.5rem;
}

.how-to-list {
    list-style: none;
    margin-left: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.how-to-list li {
    margin-bottom: 0.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.how-to-list strong {
    color: var(--binary-active);
}

/* Hex Clock */
.hex-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hex-display {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(255,255,255,0.1);
}

.hex-sub {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Utility */
.mono-font { font-family: 'JetBrains Mono', monospace; }

/* Responsive */
@media (max-width: 600px) {
    .binary-grid { gap: 0.5rem; }
    .bit { width: 35px; height: 35px; }
    .v-label { height: 35px; font-size: 0.9rem; }
    .digital-helper { gap: 0.5rem; margin-left: 1.5rem; font-size: 1.2rem; }
    .hex-display { font-size: 2.2rem; }
}