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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    overflow: hidden;
    position: relative;
}

/* Animasyonlu Arkaplan */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    animation: float 20s infinite ease-in-out;
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

.circle-2 {
    width: 400px;
    height: 400px;
    bottom: -200px;
    right: -200px;
    animation-delay: 5s;
}

.circle-3 {
    width: 250px;
    height: 250px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

/* Partiküller */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #FFD700;
    border-radius: 50%;
    animation: rise 15s infinite ease-in;
    opacity: 0;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; }
.particle:nth-child(4) { left: 40%; animation-delay: 6s; }
.particle:nth-child(5) { left: 50%; animation-delay: 8s; }
.particle:nth-child(6) { left: 60%; animation-delay: 10s; }
.particle:nth-child(7) { left: 70%; animation-delay: 12s; }
.particle:nth-child(8) { left: 80%; animation-delay: 14s; }

@keyframes rise {
    0% {
        bottom: -10px;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        bottom: 100vh;
        opacity: 0;
    }
}

/* Container */
.container {
    position: relative;
    z-index: 10;
    text-align: center;
    animation: fadeIn 1s ease-out;
    max-width: 500px;
    width: 90%;
}

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

/* Logo Container */
.logo-container {
    margin-bottom: 40px;
    animation: slideDown 1s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo-icon {
    width: 70px;
    height: 70px;
    animation: rotate 3s ease-in-out infinite;
}

@keyframes rotate {
    0%, 100% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(5deg) scale(1.05);
    }
}

.logo-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.5));
}

.logo-text {
    font-size: 3em;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
    letter-spacing: 2px;
}

.bet-text {
    color: #FFD700;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.8);
}

.tagline {
    color: #FFD700;
    font-size: 1.1em;
    font-weight: 300;
    letter-spacing: 3px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
}

/* Login Card */
.login-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 50px 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: scaleIn 1s ease-out 0.3s both;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.welcome-text {
    font-size: 2.2em;
    color: #ffffff;
    margin-bottom: 10px;
    font-weight: 600;
}

.subtitle {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    font-size: 1.1em;
}

/* Features */
.features {
    display: flex;
    justify-content: space-around;
    margin-bottom: 40px;
    gap: 20px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: fadeInUp 1s ease-out both;
}

.feature-item:nth-child(1) { animation-delay: 0.5s; }
.feature-item:nth-child(2) { animation-delay: 0.7s; }
.feature-item:nth-child(3) { animation-delay: 0.9s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-icon {
    font-size: 2em;
    background: rgba(255, 215, 0, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    border: 1px solid rgba(255, 215, 0, 0.3);
    transition: all 0.3s ease;
}

.feature-item:hover .feature-icon {
    background: rgba(255, 215, 0, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 215, 0, 0.2);
}

.feature-item span {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9em;
}

/* Login Button */
.login-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    width: 100%;
    padding: 20px;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #1a1a2e;
    font-size: 1.4em;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
    position: relative;
    overflow: hidden;
    animation: buttonPulse 2s ease-in-out infinite;
}

@keyframes buttonPulse {
    0%, 100% {
        box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
    }
    50% {
        box-shadow: 0 10px 40px rgba(255, 215, 0, 0.5);
    }
}

.login-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.login-button:hover::before {
    left: 100%;
}

.login-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.5);
}

.login-button:active {
    transform: translateY(-1px);
}

.button-icon {
    font-size: 1.2em;
    transition: transform 0.3s ease;
}

.login-button:hover .button-icon {
    transform: translateX(5px);
}

/* Info Section */
.info-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.info-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.icon {
    font-size: 1.2em;
}

/* License Info */
.license-info {
    margin-top: 30px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85em;
    animation: fadeIn 1s ease-out 1s both;
}

/* Responsive */
@media (max-width: 600px) {
    .logo-text {
        font-size: 2em;
    }
    
    .logo-icon {
        width: 50px;
        height: 50px;
    }
    
    .login-card {
        padding: 40px 25px;
    }
    
    .welcome-text {
        font-size: 1.8em;
    }
    
    .features {
        gap: 10px;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5em;
    }
    
    .feature-item span {
        font-size: 0.8em;
    }
    
    .login-button {
        font-size: 1.2em;
        padding: 18px;
    }
}

/* Hover effect for card */
.login-card {
    transition: transform 0.3s ease;
}

.login-card:hover {
    transform: translateY(-5px);
}