* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

:root {
    --primary: #6C63FF;
    --secondary: #4A44C6;
    --accent: #FF6584;
    --light: #F8F9FA;
    --dark: #2D3748;
    --glass: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --whatsapp: #25D366;
    --error: #ff4757;
    --success: #2ed573;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(-45deg, #1a1a2e, #16213e, #0f3460, #533483);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
    padding: 20px;
    color: var(--light);
    overflow-x: hidden;
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite linear;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--accent);
    bottom: -100px;
    right: 10%;
    animation-delay: -5s;
    animation-duration: 25s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: #4FD1C5;
    top: 20%;
    right: -75px;
    animation-delay: -10s;
    animation-duration: 30s;
}

.shape-4 {
    width: 250px;
    height: 250px;
    background: #F56565;
    bottom: 20%;
    left: -125px;
    animation-delay: -15s;
    animation-duration: 35s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(50px, 50px) rotate(90deg);
    }
    50% {
        transform: translate(100px, 0) rotate(180deg);
    }
    75% {
        transform: translate(50px, -50px) rotate(270deg);
    }
    100% {
        transform: translate(0, 0) rotate(360deg);
    }
}

.container {
    width: 100%;
    max-width: 500px;
    background: var(--glass);
    backdrop-filter: blur(15px);
    border-radius: 24px;
    padding: 40px 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
    z-index: -1;
}

.logo {
    margin-bottom: 25px;
}

.logo i {
    font-size: 3.5rem;
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--light), #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.welcome-message {
    margin-bottom: 30px;
}

.welcome-message h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.welcome-message p {
    font-size: 1rem;
    opacity: 0.8;
    line-height: 1.6;
}

.form-group {
    margin-bottom: 18px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: none;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.2);
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

.otp-row {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.otp-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(108, 99, 255, 0.4);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
}

.btn-outline:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #25a25a);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, #25a25a, var(--success));
}

.alert {
    padding: 12px 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
    animation: fadeIn 0.5s ease;
}

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

.alert-success {
    background: rgba(46, 213, 115, 0.2);
    border: 1px solid rgba(46, 213, 115, 0.3);
    color: white;
}

.alert-danger {
    background: rgba(255, 71, 87, 0.2);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: white;
}

.countdown {
    color: var(--accent);
    font-weight: 600;
}

.links {
    display: flex;
    justify-content: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.links a:hover {
    color: white;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: var(--whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    z-index: 1000;
    animation: pulse-whatsapp 2s infinite;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-float i {
    color: white;
    font-size: 28px;
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 30px 20px;
        max-width: 100%;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .welcome-message h2 {
        font-size: 1.5rem;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .otp-row {
        flex-direction: column;
        gap: 10px;
    }
    
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float i {
        font-size: 24px;
    }
}