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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #0a0a0f;
    color: #fff;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated Neon Background */
.neon-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.neon-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.neon-circle-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #00ff88, transparent);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.neon-circle-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #0088ff, transparent);
    bottom: -150px;
    right: -150px;
    animation-delay: 7s;
}

.neon-circle-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #ff0088, transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(100px, -100px) scale(1.1);
    }
    66% {
        transform: translate(-100px, 100px) scale(0.9);
    }
}

/* Container */
.container {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Hero Section */
.hero-section {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeInDown 1s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.neon-logo {
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

.neon-logo svg {
    stroke: #00ff88;
    filter: drop-shadow(0 0 20px #00ff88);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 20px #00ff88);
    }
    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 0 30px #00ff88);
    }
}

.neon-title {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: 4px;
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.neon-text {
    color: #00ff88;
    text-shadow: 
        0 0 10px #00ff88,
        0 0 20px #00ff88,
        0 0 40px #00ff88,
        0 0 80px #00ff88;
    animation: flicker 3s infinite alternate;
}

.neon-text-alt {
    color: #0088ff;
    text-shadow: 
        0 0 10px #0088ff,
        0 0 20px #0088ff,
        0 0 40px #0088ff;
}

@keyframes flicker {
    0%, 100% {
        opacity: 1;
    }
    41%, 43% {
        opacity: 0.8;
    }
    45% {
        opacity: 1;
    }
}

.hero-subtitle {
    font-size: 18px;
    color: #888;
    letter-spacing: 1px;
}

/* Donation Card */
.donation-card {
    width: 100%;
    background: rgba(15, 15, 25, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 24px;
    padding: 40px;
    position: relative;
    box-shadow: 
        0 0 60px rgba(0, 255, 136, 0.1),
        inset 0 0 60px rgba(0, 255, 136, 0.05);
    animation: slideUp 1s ease-out 0.3s both;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #00ff88, #0088ff, #ff0088, #00ff88);
    border-radius: 24px;
    z-index: -1;
    opacity: 0;
    filter: blur(20px);
    transition: opacity 0.3s;
    animation: rotate 4s linear infinite;
}

.donation-card:hover .card-glow {
    opacity: 0.5;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Form Sections */
.form-section {
    margin-bottom: 32px;
}

.neon-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    color: #00ff88;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.label-icon {
    font-size: 16px;
}

/* Amount Input */
.amount-input-wrapper {
    position: relative;
    margin-bottom: 16px;
}

.currency-symbol {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    font-weight: 700;
    color: #00ff88;
    text-shadow: 0 0 10px #00ff88;
}

input[type="number"] {
    width: 100%;
    padding: 20px 20px 20px 50px;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(0, 255, 136, 0.3);
    border-radius: 12px;
    font-size: 32px;
    font-weight: 700;
    color: #00ff88;
    transition: all 0.3s ease;
}

input[type="number"]:focus {
    outline: none;
    border-color: #00ff88;
    box-shadow: 
        0 0 20px rgba(0, 255, 136, 0.3),
        inset 0 0 20px rgba(0, 255, 136, 0.1);
}

input[type="number"]::placeholder {
    color: rgba(0, 255, 136, 0.3);
}

/* Remove number input arrows */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

/* Quick Amounts */
.quick-amounts {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.quick-amount {
    padding: 12px;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(0, 255, 136, 0.2);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    color: #00ff88;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.quick-amount::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(0, 255, 136, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.quick-amount:hover::before {
    width: 200px;
    height: 200px;
}

.quick-amount:hover {
    border-color: #00ff88;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    transform: translateY(-2px);
}

.quick-amount.active {
    background: rgba(0, 255, 136, 0.2);
    border-color: #00ff88;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.amount-value {
    position: relative;
    z-index: 1;
}

/* Card Element */
.card-element {
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(0, 255, 136, 0.3);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.card-element.StripeElement--focus {
    border-color: #00ff88;
    box-shadow: 
        0 0 20px rgba(0, 255, 136, 0.3),
        inset 0 0 20px rgba(0, 255, 136, 0.1);
}

/* Error Message */
.error-message {
    color: #ff0055;
    font-size: 13px;
    margin-top: 8px;
    min-height: 20px;
    text-shadow: 0 0 10px #ff0055;
}

/* Submit Button */
.submit-button {
    width: 100%;
    padding: 20px;
    background: linear-gradient(135deg, #00ff88, #00cc6f);
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 2px;
    color: #0a0a0f;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    margin-top: 24px;
}

.button-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transform: rotate(45deg);
    transition: all 0.5s;
}

.submit-button:hover .button-glow {
    left: 100%;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 10px 40px rgba(0, 255, 136, 0.5),
        0 0 60px rgba(0, 255, 136, 0.3);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.button-text {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(10, 10, 15, 0.3);
    border-top-color: #0a0a0f;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.hidden {
    display: none !important;
}

/* Payment Message */
.payment-message {
    margin-top: 20px;
    padding: 16px;
    border-radius: 12px;
    font-size: 14px;
    text-align: center;
    font-weight: 600;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.payment-message.success {
    background: rgba(0, 255, 136, 0.2);
    color: #00ff88;
    border: 1px solid #00ff88;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.payment-message.error {
    background: rgba(255, 0, 85, 0.2);
    color: #ff0055;
    border: 1px solid #ff0055;
    box-shadow: 0 0 20px rgba(255, 0, 85, 0.3);
}

/* Security Badge */
.secure-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 255, 136, 0.1);
    color: #666;
    font-size: 11px;
    letter-spacing: 1px;
}

.secure-badge svg {
    stroke: #00ff88;
    opacity: 0.5;
}

/* Stats Section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
    margin-top: 40px;
    animation: fadeIn 1s ease-out 0.6s both;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(15, 15, 25, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 136, 0.1);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: rgba(0, 255, 136, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
}

.stat-value {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 12px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    .neon-title {
        font-size: 36px;
    }

    .donation-card {
        padding: 24px;
    }

    .quick-amounts {
        grid-template-columns: repeat(3, 1fr);
    }

    .stats-section {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    input[type="number"] {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .neon-title {
        font-size: 28px;
        letter-spacing: 2px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .quick-amounts {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-value {
        font-size: 24px;
    }
}