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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    overflow-x: hidden;
}

/* Header */
.header {
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
}

.logo i {
    color: #ffd700;
    margin-right: 0.5rem;
}

.header-buttons {
    display: flex;
    gap: 1rem;
}

.btn-login {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.4);
}

.btn-register {
    background: transparent;
    color: white;
    padding: 0.8rem 2rem;
    border: 2px solid white;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-register:hover {
    background: white;
    color: #1e3c72;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="bingo-pattern" x="0" y="0" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23bingo-pattern)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.prize-badge {
    display: inline-block;
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.prize-amount {
    font-size: 3rem;
    font-weight: 800;
    color: #ffd700;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.8);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    padding: 1rem 3rem;
    border: none;
    border-radius: 30px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(76, 175, 80, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    padding: 1rem 3rem;
    border: 2px solid white;
    border-radius: 30px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: white;
    color: #1e3c72;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: rgba(0, 0, 0, 0.2);
}

.features-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.features-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-icon {
    font-size: 3rem;
    color: #ffd700;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-description {
    opacity: 0.8;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.support-button {
    background: linear-gradient(45deg, #e91e63, #c2185b);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.support-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.4);
}

/* Login Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: 20px;
    padding: 0;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.8);
    transition: all 0.3s ease;
    position: relative;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    background: linear-gradient(45deg, #1e3c72, #2a5298);
    color: white;
    padding: 1.5rem;
    text-align: center;
    position: relative;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.modal-body {
    padding: 2rem;
    color: #333;
}

.login-instruction {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #666;
}

.login-tabs {
    display: flex;
    margin-bottom: 1.5rem;
    border-radius: 10px;
    overflow: hidden;
    background: #f5f5f5;
}

.login-tab {
    flex: 1;
    padding: 0.8rem;
    text-align: center;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.login-tab.active {
    background: #1e3c72;
    color: white;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

.form-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: #1e3c72;
    box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
}

.remember-me {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.remember-me input {
    margin-right: 0.5rem;
}

.forgot-password {
    text-align: right;
    margin-bottom: 1.5rem;
}

.forgot-password a {
    color: #1e3c72;
    text-decoration: none;
    font-weight: 600;
}

.btn-login-submit {
    width: 100%;
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.btn-login-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.4);
}

.register-link {
    text-align: center;
    color: #666;
}

.register-link a {
    color: #1e3c72;
    text-decoration: none;
    font-weight: 600;
}

.support-text {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.support-text a {
    color: #1e3c72;
    text-decoration: none;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .prize-amount {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .header-content {
        padding: 0 1rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Flash Messages */
.flash-messages {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 10001;
}

.flash-message {
    padding: 1rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    font-weight: 600;
    animation: slideIn 0.3s ease;
}

.flash-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.flash-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Register Modal Styles */
.register-modal {
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.register-progress-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
}

.register-progress-step {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0.5rem;
    font-weight: 600;
    transition: all 0.3s;
    background-color: #e5e7eb;
    color: #6b7280;
}

.register-progress-step.active {
    background-color: #3b82f6;
    color: white;
}

.register-progress-step.completed {
    background-color: #10b981;
    color: white;
}

.register-progress-line {
    width: 60px;
    height: 2px;
    background-color: #e5e7eb;
    margin-top: 19px;
}

.register-progress-line.completed {
    background-color: #10b981;
}

.register-step {
    display: none;
}

.register-step.active {
    display: block;
}

/* Phone Input Container Styles */
.phone-input-container {
    position: relative;
    display: flex;
    align-items: center;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    background: white;
    transition: all 0.3s ease;
}

.phone-input-container:focus-within {
    border-color: #1e3c72;
    box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
}

.country-code {
    padding: 1rem;
    background: #f8f9fa;
    border-right: 1px solid #e0e0e0;
    color: #666;
    font-weight: 500;
    font-size: 1rem;
    border-radius: 8px 0 0 8px;
    min-width: 60px;
    text-align: center;
}

.phone-input {
    flex: 1;
    padding: 1rem;
    border: none;
    outline: none;
    font-size: 1rem;
    background: transparent;
    border-radius: 0 8px 8px 0;
}

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

.register-instruction {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #6b7280;
    font-size: 0.9rem;
}

.sms-timer {
    text-align: center;
    margin: 1rem 0;
    color: #6b7280;
    font-size: 0.9rem;
}

.sms-timer.active {
    color: #3b82f6;
}

.sms-timer.expired {
    color: #ef4444;
}

.terms-checkbox {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.terms-checkbox input {
    margin-right: 0.5rem;
    margin-top: 0.25rem;
}

.terms-checkbox label {
    font-size: 0.875rem;
    color: #6b7280;
    line-height: 1.4;
}

.terms-checkbox a {
    color: #3b82f6;
    text-decoration: underline;
}

.btn-register-secondary {
    background-color: #6b7280;
    color: white;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    width: 100%;
    transition: background-color 0.2s;
}

.btn-register-secondary:hover:not(:disabled) {
    background-color: #4b5563;
}

.btn-register-secondary:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
}

.mt-2 {
    margin-top: 0.5rem;
}

.register-message {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.register-message.success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.register-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}