:root {
    --bg-color: rgba(0, 10, 20, 0.4);
    --led-color: #00f2ff;
    --led-ghost: rgba(0, 242, 255, 0.1);
    --led-glow: 0 0 15px rgba(0, 242, 255, 0.8), 0 0 30px rgba(0, 242, 255, 0.4);
    --text-color: #fff;
    --active-day: #00f2ff;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Orbitron', sans-serif;
    color: var(--text-color);
    overflow: hidden;
    background: transparent;
}

.container {
    background: var(--bg-color);
    backdrop-filter: blur(12px) saturate(180%);
    width: 100vw;
    height: 100vh;
    border-radius: 16px;
    border: 1px solid rgba(0, 242, 255, 0.3);
    display: flex;
    flex-direction: column;
    padding: 15px;
    box-sizing: border-box;
    box-shadow: inset 0 0 20px rgba(0, 242, 255, 0.1), 0 10px 40px rgba(0, 0, 0, 0.6);
}

.draggable {
    -webkit-app-region: drag;
}

.no-drag {
    -webkit-app-region: no-drag;
}

.header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 10px;
}

.controls button {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    font-size: 18px;
    padding: 0 8px;
    transition: color 0.2s;
}

.controls button:hover {
    color: var(--led-color);
}

.calendar-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.month-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 20px;
}

.month-nav h2 {
    font-size: 18px;
    margin: 0;
    text-shadow: var(--led-glow);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.month-nav button {
    background: rgba(0, 242, 255, 0.1);
    border: 1px solid rgba(0, 242, 255, 0.3);
    color: var(--led-color);
    padding: 5px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-family: 'Orbitron', sans-serif;
    transition: all 0.2s;
}

.month-nav button:hover {
    background: rgba(0, 242, 255, 0.3);
    box-shadow: var(--led-glow);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    width: 100%;
    gap: 5px;
}

.day-header {
    text-align: center;
    font-size: 10px;
    color: rgba(0, 242, 255, 0.6);
    padding-bottom: 5px;
    font-weight: bold;
}

.days-container {
    display: contents;
}

.day {
    text-align: center;
    padding: 10px 0;
    font-size: 14px;
    border-radius: 4px;
    transition: all 0.2s;
    cursor: default;
}

.day:hover:not(.empty) {
    background: rgba(0, 242, 255, 0.1);
}

.day.today {
    background: var(--led-color);
    color: #000;
    font-weight: bold;
    box-shadow: var(--led-glow);
}

.day.empty {
    opacity: 0;
}

.footer {
    text-align: center;
    margin-top: 15px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.6);
}

#current-date-text {
    border-top: 1px solid rgba(0, 242, 255, 0.2);
    padding-top: 5px;
    display: block;
}