/* Memphis Design System */
:root {
    --pink: #FF6B9D;
    --yellow: #FFE66D;
    --cyan: #4ECDC4;
    --purple: #957FEF;
    --orange: #FF8C42;
    --mint: #95E1D3;
    --black: #1a1a2e;
    --white: #FEFEFE;
    --bg: #FFF8E7;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Trebuchet MS', 'Segoe UI', sans-serif;
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow-x: hidden;
    position: relative;
}

/* Memphis Background Shapes */
.memphis-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
}

/* Circles */
.circle {
    border-radius: 50%;
    border: 4px solid var(--black);
}

.circle-1 {
    width: 120px;
    height: 120px;
    background: var(--pink);
    top: 10%;
    left: 5%;
    animation: float 6s ease-in-out infinite;
}

.circle-2 {
    width: 80px;
    height: 80px;
    background: var(--cyan);
    bottom: 15%;
    right: 8%;
    animation: float 8s ease-in-out infinite reverse;
}

/* Triangles */
.triangle {
    width: 0;
    height: 0;
    border-left: 40px solid transparent;
    border-right: 40px solid transparent;
    border-bottom: 70px solid var(--yellow);
    filter: drop-shadow(2px 2px 0 var(--black));
}

.triangle-1 {
    top: 20%;
    right: 10%;
    transform: rotate(15deg);
    animation: wiggle 4s ease-in-out infinite;
}

.triangle-2 {
    bottom: 25%;
    left: 8%;
    transform: rotate(-10deg);
    border-bottom-color: var(--purple);
    animation: wiggle 5s ease-in-out infinite reverse;
}

/* Zigzag */
.zigzag {
    width: 100px;
    height: 20px;
    background: repeating-linear-gradient(
        90deg,
        var(--orange) 0px,
        var(--orange) 10px,
        transparent 10px,
        transparent 20px
    );
}

.zigzag-1 {
    top: 40%;
    left: 3%;
    transform: rotate(-30deg);
}

/* Square */
.square-1 {
    width: 60px;
    height: 60px;
    background: var(--mint);
    border: 4px solid var(--black);
    top: 60%;
    right: 5%;
    transform: rotate(45deg);
    animation: spin 20s linear infinite;
}

/* Dots pattern */
.dots-1 {
    width: 80px;
    height: 80px;
    top: 75%;
    left: 12%;
    background-image: radial-gradient(var(--black) 3px, transparent 3px);
    background-size: 12px 12px;
}

/* Wavy line */
.wavy-1 {
    width: 120px;
    height: 30px;
    top: 8%;
    right: 25%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 30'%3E%3Cpath d='M0 15 Q15 0 30 15 T60 15 T90 15 T120 15' stroke='%23FF6B9D' stroke-width='4' fill='none'/%3E%3C/svg%3E");
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes wiggle {
    0%, 100% { transform: rotate(15deg); }
    50% { transform: rotate(-5deg); }
}

@keyframes spin {
    from { transform: rotate(45deg); }
    to { transform: rotate(405deg); }
}

/* Container */
.container {
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 1;
}

/* Card */
.card {
    background: var(--white);
    border: 5px solid var(--black);
    border-radius: 0;
    padding: 40px 35px;
    position: relative;
    box-shadow: 12px 12px 0 var(--black);
}

.card-accent {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 50px;
    height: 50px;
    background: var(--yellow);
    border: 4px solid var(--black);
    border-radius: 50%;
}

.card-accent::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: var(--pink);
    border-radius: 50%;
}

/* Typography */
h1 {
    color: var(--black);
    font-size: 32px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 3px 3px 0 var(--cyan);
}

.subtitle {
    color: var(--purple);
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 35px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

/* Input Group */
.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    color: var(--black);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-group input {
    width: 100%;
    padding: 16px 18px;
    background: var(--white);
    border: 4px solid var(--black);
    border-radius: 0;
    color: var(--black);
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s;
    box-shadow: 6px 6px 0 var(--cyan);
}

.input-group input:focus {
    outline: none;
    box-shadow: 6px 6px 0 var(--pink);
    transform: translate(-2px, -2px);
}

.input-group input::placeholder {
    color: #999;
}

/* Radio Group */
.type-group {
    margin-bottom: 30px;
}

.type-group > label {
    display: block;
    color: var(--black);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.radio-group {
    display: flex;
    gap: 15px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 12px 18px;
    background: var(--white);
    border: 3px solid var(--black);
    transition: all 0.2s;
    flex: 1;
}

.radio-label:hover {
    background: var(--mint);
}

.radio-label input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 24px;
    height: 24px;
    border: 3px solid var(--black);
    border-radius: 50%;
    position: relative;
    background: var(--white);
    flex-shrink: 0;
}

.radio-label input[type="radio"]:checked + .radio-custom {
    background: var(--yellow);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--black);
    border-radius: 50%;
}

.radio-label input[type="radio"]:checked ~ .radio-text {
    font-weight: 700;
}

.radio-text {
    color: var(--black);
    font-size: 14px;
    font-weight: 500;
}

/* Progress Section */
.progress-section {
    margin-bottom: 25px;
}

.progress-bar {
    height: 20px;
    background: var(--white);
    border: 3px solid var(--black);
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: repeating-linear-gradient(
        45deg,
        var(--pink),
        var(--pink) 10px,
        var(--yellow) 10px,
        var(--yellow) 20px
    );
    transition: width 0.3s ease;
}

.status {
    color: var(--black);
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Button Group */
.btn-group {
    display: flex;
    gap: 12px;
}

/* Download Button */
.download-btn {
    flex: 1;
    padding: 18px 20px;
    background: var(--pink);
    border: 4px solid var(--black);
    border-radius: 0;
    color: var(--black);
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.15s;
    box-shadow: 8px 8px 0 var(--black);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.download-btn:hover {
    background: var(--yellow);
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0 var(--black);
}

.download-btn:active {
    transform: translate(4px, 4px);
    box-shadow: 4px 4px 0 var(--black);
}

.download-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: 8px 8px 0 var(--black);
}

.btn-icon {
    font-size: 14px;
}

/* File Download Button */
.download-link {
    margin-top: 25px;
    text-align: center;
}

.file-btn {
    display: inline-block;
    padding: 16px 35px;
    background: var(--cyan);
    border: 4px solid var(--black);
    color: var(--black);
    text-decoration: none;
    font-weight: 800;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 6px 6px 0 var(--black);
    transition: all 0.15s;
}

.file-btn:hover {
    background: var(--mint);
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 var(--black);
}

.file-btn:active {
    transform: translate(3px, 3px);
    box-shadow: 3px 3px 0 var(--black);
}

/* Refresh Button */
.refresh-btn {
    width: 60px;
    background: var(--yellow);
    border: 4px solid var(--black);
    color: var(--black);
    font-size: 24px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 8px 8px 0 var(--black);
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.refresh-btn:hover {
    background: var(--orange);
    transform: translate(-4px, -4px);
    box-shadow: 12px 12px 0 var(--black);
}

.refresh-btn:active {
    transform: translate(4px, 4px);
    box-shadow: 4px 4px 0 var(--black);
}

/* Footer */
footer {
    text-align: center;
    margin-top: 25px;
    padding: 15px;
    background: var(--purple);
    border: 3px solid var(--black);
    box-shadow: 5px 5px 0 var(--black);
}

footer p {
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Mobile Responsive */
@media (max-width: 520px) {
    .card {
        padding: 30px 25px;
        box-shadow: 8px 8px 0 var(--black);
    }

    h1 {
        font-size: 26px;
        text-shadow: 2px 2px 0 var(--cyan);
    }

    .radio-group {
        flex-direction: column;
        gap: 12px;
    }

    .download-btn {
        box-shadow: 6px 6px 0 var(--black);
    }

    .circle-1 {
        width: 80px;
        height: 80px;
    }

    .circle-2 {
        width: 50px;
        height: 50px;
    }

    .triangle {
        border-left-width: 25px;
        border-right-width: 25px;
        border-bottom-width: 45px;
    }

    .square-1 {
        width: 40px;
        height: 40px;
    }
}