/* Retro Mode Styles */
.retro-mode {
    background-color: #000;
    color: #33ff33;
    font-family: 'Courier New', monospace;
    text-shadow: 0 0 5px #33ff33;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    line-height: 1.5;
}

/* CRT screen effect */
.retro-mode::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0.2) 50%
    );
    background-size: 100% 2px;
    pointer-events: none;
    animation: scanline 10s linear infinite;
    z-index: 1000;
    opacity: 0.8;
}

/* CRT glow effect */
.retro-mode::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        circle at center,
        rgba(51, 255, 51, 0.08) 0%,
        rgba(51, 255, 51, 0.03) 60%,
        transparent 70%
    );
    pointer-events: none;
    z-index: 999;
}

.retro-mode * {
    font-family: 'Courier New', monospace !important;
    text-rendering: geometricPrecision;
}

.retro-mode i,
.retro-mode .material-icons,
.retro-mode .icon,
.retro-mode .fa,
.retro-mode .fas,
.retro-mode .far,
.retro-mode .fab {
    color: #33ff33 !important;
    text-shadow: 0 0 5px #33ff33;
    opacity: 1;
    display: inline-block;
    font-size: inherit;
    height: auto;
    overflow: visible;
    vertical-align: middle;
    font-family: "Font Awesome 5 Free", "Font Awesome 5 Brands", "Material Icons", monospace !important;
    font-weight: 900;
}

.retro-mode i::before,
.retro-mode .material-icons::before,
.retro-mode .icon::before,
.retro-mode .fa::before,
.retro-mode .fas::before,
.retro-mode .far::before,
.retro-mode .fab::before {
    color: inherit;
    text-shadow: inherit;
}

.retro-mode .wrapper {
    background: transparent;
    position: relative;
    z-index: 1;
}

.retro-mode .header {
    border-bottom: 2px solid #33ff33;
    padding: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.retro-mode .info-card {
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid #33ff33;
    box-shadow: 0 0 15px rgba(51, 255, 51, 0.2);
    backdrop-filter: blur(2px);
    transition: all 0.3s ease;
}

.retro-mode .info-card:hover {
    box-shadow: 0 0 20px rgba(51, 255, 51, 0.4);
    transform: translateY(-2px);
}

.retro-mode button {
    background: #000;
    border: 1px solid #33ff33;
    color: #33ff33;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 10px 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.retro-mode button:hover {
    background: #33ff33;
    color: #000;
    text-shadow: none;
    box-shadow: 0 0 15px rgba(51, 255, 51, 0.4);
}

.retro-mode button::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(rgba(51, 255, 51, 0.1), transparent);
    transform: rotate(45deg);
    animation: buttonGlow 2s linear infinite;
}

@keyframes scanline {
    0% { transform: translateY(0); }
    100% { transform: translateY(100%); }
}

@keyframes buttonGlow {
    0% { transform: rotate(45deg) translateY(-100%); }
    100% { transform: rotate(45deg) translateY(100%); }
}

@keyframes textGlow {
    0% { text-shadow: 0 0 5px #33ff33; }
    50% { text-shadow: 0 0 10px #33ff33, 0 0 15px #33ff33; }
    100% { text-shadow: 0 0 5px #33ff33; }
}

.retro-mode .modal {
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(5px);
}

.retro-mode .modal-content {
    background-color: rgba(0, 0, 0, 0.9);
    border: 2px solid #33ff33;
    box-shadow: 0 0 30px rgba(51, 255, 51, 0.2);
    animation: textGlow 2s infinite;
}

.retro-mode .countdown-container {
    border: 1px solid #33ff33;
    background: rgba(0, 0, 0, 0.8);
    box-shadow: inset 0 0 20px rgba(51, 255, 51, 0.1);
}

.retro-mode #currentTimeText,
.retro-mode #currentClassName,
.retro-mode #nextClassName {
    font-size: 1.2em;
    letter-spacing: 2px;
    animation: textGlow 2s infinite;
    font-weight: bold;
}

.retro-mode .footer {
    border-top: 2px solid #33ff33;
    padding: 15px;
    font-size: 0.9em;
    opacity: 0.8;
}