:root {
    --bg-color: #1a0b2e;
    --text-color: #e0d1ff;
    --primary-color: #8a2be2;
    --secondary-color: #c084fc;
    --accent-color: #f0abfc;
    --border-color-1: #00ffff;
    --border-color-2: #ff00ff;
}

body {
    font-family: 'Poppins', sans-serif;
    transition: background-color 0.5s ease, color 0.5s ease;
}

.theme-dark-blue {
    --bg-color: #0c1445;
    --text-color: #dbe4ff;
    --primary-color: #2e5bff;
    --secondary-color: #849cff;
    --accent-color: #abf0fc;
    --border-color-1: #f7ff00;
    --border-color-2: #00ff87;
}

.theme-light-pink {
    --bg-color: #fff0f5;
    --text-color: #5c2c41;
    --primary-color: #ff69b4;
    --secondary-color: #ff85c1;
    --accent-color: #ffb6c1;
    --border-color-1: #ff1493;
    --border-color-2: #14ffc1;
}

.theme-forest-green {
    --bg-color: #0b2e1a;
    --text-color: #d1ffe0;
    --primary-color: #228B22;
    --secondary-color: #32CD32;
    --accent-color: #ADFF2F;
    --border-color-1: #ADFF2F;
    --border-color-2: #20B2AA;
}

.theme-classic-black {
    --bg-color: #000000;
    --text-color: #ffffff;
    --primary-color: #cccccc;
    --secondary-color: #aaaaaa;
    --accent-color: #ffffff;
    --border-color-1: #00e5ff;
    --border-color-2: #ff00e5;
}

.bg-main {
    background-color: var(--bg-color);
}

.text-main {
    color: var(--text-color);
}

.text-primary {
    color: var(--primary-color);
}

.font-orbitron {
    font-family: 'Orbitron', sans-serif;
}

.robotic-btn {
    position: relative;
    z-index: 1;
    overflow: hidden;
    background: linear-gradient(145deg, #2c1e4a, #1a0b2e);
    border: 2px solid transparent;
    color: var(--text-color);
    padding: 0.75rem 1.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.theme-light-pink .robotic-btn {
    background: linear-gradient(145deg, #ffe4f0, #ffcde6);
}

.robotic-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent,
            var(--border-color-1),
            var(--border-color-2),
            transparent 30%);
    animation: rotate 4s linear infinite;
    z-index: -2;
}

.robotic-btn::after {
    content: '';
    position: absolute;
    inset: 2px;
    background-color: var(--bg-color);
    border-radius: 0.4rem;
    z-index: -1;
}

.robotic-btn:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(138, 43, 226, 0.4);
}

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

.effect-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 999;
}

.custom-modal {
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--bg-color);
    border: 2px solid var(--primary-color);
}

.heart-modal {
    position: relative;
    width: 90vw;
    max-width: 400px;
    height: 90vw;
    max-height: 400px;
    background: pink;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    text-align: center;
    color: #333;
    padding: 25% 10% 10% 10%;
    clip-path: polygon(50% 100%, 0 35%, 15% 0, 50% 30%, 85% 0, 100% 35%);
}

.typing-container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    z-index: 1000;
}

.typed-text {
    border-right: .15em solid var(--primary-color);
    white-space: nowrap;
    overflow: hidden;
    animation: typing 3.5s steps(40, end), blink-caret .75s step-end infinite;
}

@keyframes typing {
    from {
        width: 0
    }

    to {
        width: 100%
    }
}

@keyframes blink-caret {

    from,
    to {
        border-color: transparent
    }

    50% {
        border-color: var(--primary-color);
    }
}