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

body {
    font-family: 'Arial', sans-serif;
    height: 100vh;
    overflow: hidden;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #000000 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.splash-container {
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #000000 100%);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow: hidden;
}

/* Animated Background Elements */
.bg-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 215, 0, 0.1);
    animation: float 8s ease-in-out infinite;
}

.bg-shape:nth-child(1) {
    width: 200px;
    height: 200px;
    top: 10%;
    left: -50px;
    animation-delay: 0s;
}

.bg-shape:nth-child(2) {
    width: 150px;
    height: 150px;
    bottom: 15%;
    right: -30px;
    animation-delay: 3s;
}

.bg-shape:nth-child(3) {
    width: 100px;
    height: 100px;
    top: 40%;
    left: 10px;
    animation-delay: 1.5s;
}

/* Logo Section */
.logo-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 60px;
    z-index: 10;
}

.logo-icon {
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    margin-bottom: 20px;
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.3);
    animation: logoFloat 3s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '';
    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);
    animation: shine 2s ease-in-out infinite;
}

.app-name {
    font-size: 32px;
    font-weight: bold;
    color: #ffd700;
    text-align: center;
    margin-bottom: 8px;
    animation: fadeInUp 1s ease 0.5s both;
}

.app-tagline {
    font-size: 16px;
    color: #cccccc;
    text-align: center;
    animation: fadeInUp 1s ease 0.7s both;
}

/* Feature Slider */
.feature-slider {
    width: 100%;
    height: 200px;
    margin-bottom: 60px;
    z-index: 10;
    animation: fadeInUp 1s ease 1s both;
}

.slider-container {
    position: relative;
    height: 100%;
    overflow: hidden;
    border-radius: 20px;
    background: rgba(255, 215, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.slider {
    display: flex;
    height: 100%;
    transition: transform 0.5s ease;
}

.slide {
    min-width: 100%;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.slide-icon {
    font-size: 50px;
    margin-bottom: 15px;
    color: #ffd700;
}

.slide h3 {
    font-size: 20px;
    color: #ffd700;
    margin-bottom: 10px;
    font-weight: bold;
}

.slide p {
    font-size: 14px;
    color: #cccccc;
    line-height: 1.4;
    max-width: 250px;
}

/* Slider Dots */
.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 215, 0, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: #ffd700;
    transform: scale(1.2);
}

/* Login Section */
.login-section {
    width: 100%;
    z-index: 10;
    animation: fadeInUp 1s ease 1.2s both;
}

.login-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: #000;
    border: none;
    border-radius: 25px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
    margin-bottom: 15px;
    display: block;
    text-align: center;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(255, 215, 0, 0.4);
}

.signup-link {
    text-align: center;
    color: #cccccc;
    font-size: 14px;
}

.signup-link a {
    color: #ffd700;
    text-decoration: none;
    font-weight: bold;
}

/* Loading Animation */
.loading {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-content: center;
    justify-content: center;
    align-items: center;
}

.loading-spinner {
    width: 30px;
    height: 30px;
    border: 3px solid rgba(255, 215, 0, 0.3);
    border-top: 3px solid #ffd700;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    color: #ffd700;
    font-size: 12px;
    text-align: center;
    margin-top: 10px;
}

/* Animations */
@keyframes logoFloat {

    0%,
    100% {
        transform: translateY(0px) scale(1);
    }

    50% {
        transform: translateY(-10px) scale(1.05);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-30px) rotate(5deg);
    }
}

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

    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

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

/* Responsive adjustments */
@media (max-width: 320px) {
    .logo-icon {
        width: 100px;
        height: 100px;
        font-size: 50px;
    }

    .app-name {
        font-size: 28px;
    }

    .feature-slider {
        height: 180px;
    }

    .slide h3 {
        font-size: 18px;
    }

    .slide p {
        font-size: 13px;
    }
}

@media (min-width: 768px) {
    .splash-container {
        max-width: 400px;
        margin: 0 auto;
        border-radius: 30px;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    }
}