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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #1a1a1a;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    color: #ffffff;
}

.main-container {
    background: #1a1a1a;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.header h1 {
    color: #ffffff;
    font-size: 28px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    justify-content: center;
    background: #2a2a2a;
    border-bottom: 2px solid #444;
    padding: 0;
    margin: 0;
}

.nav-tab {
    background: transparent;
    border: none;
    color: #ffffff;
    padding: 15px 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.nav-tab:hover {
    background: rgba(255, 107, 53, 0.1);
    color: #ff6b35;
}

.nav-tab.active {
    background: rgba(255, 107, 53, 0.2);
    color: #ff6b35;
    border-bottom-color: #ff6b35;
}

/* Content Area */
.content-area {
    flex: 1;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Tab Content */
.tab-content {
    display: none;
    width: 100%;
}

.tab-content.active {
    display: block;
}

/* Form Container */
.form-container {
    display: flex;
    gap: 30px;
    width: 100%;
    max-width: 900px;
}

/* Forgot Container */
.forgot-container {
    display: flex;
    gap: 40px;
    width: 100%;
    max-width: 900px;
}

/* Form Section */
.form-section {
    flex: 1;
    background: rgba(42, 42, 42, 0.9);
    border-radius: 12px;
    padding: 30px;
    border: 2px solid #444;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.form-section:hover {
    border-color: #ff6b35;
    box-shadow: 0 12px 35px rgba(255, 107, 53, 0.2);
    transform: translateY(-2px);
}

/* Method Section (for forgot password) */
.method-section {
    flex: 1;
    background: rgba(42, 42, 42, 0.9);
    border-radius: 12px;
    padding: 30px;
    border: 2px solid #444;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.method-section:hover {
    border-color: #ff6b35;
    box-shadow: 0 12px 35px rgba(255, 107, 53, 0.2);
    transform: translateY(-2px);
}

/* Form Title */
.form-title, .method-title {
    color: #ff6b35;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 2px solid #ff6b35;
    padding-bottom: 10px;
}

/* Form Group */
.form-group {
    margin-bottom: 20px;
}

/* Form Label */
.form-label {
    display: block;
    color: #ffffff;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Form Input */
.form-input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid #444;
    border-radius: 8px;
    color: #ffffff;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #ff6b35;
    box-shadow: 0 0 10px rgba(255, 107, 53, 0.3);
}

.form-input::placeholder {
    color: #888;
    font-style: italic;
}

/* Captcha Container */
.captcha-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

#captcha-display {
    background: rgba(255, 107, 53, 0.2);
    color: #ff6b35;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid #ff6b35;
    min-width: 80px;
    text-align: center;
}

#captcha-display:hover {
    background: rgba(255, 107, 53, 0.3);
    transform: scale(1.05);
}

.captcha-refresh {
    color: #ff6b35;
    cursor: pointer;
    font-size: 18px;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.captcha-refresh:hover {
    color: #ff8c42;
    background: rgba(255, 107, 53, 0.2);
    transform: rotate(180deg);
}

/* Form Button */
.form-button {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 10px;
}

.form-button:hover {
    background: linear-gradient(135deg, #ff8c42, #ff6b35);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.form-button:active {
    transform: translateY(0);
}

/* User Info Styles */
.user-info {
    text-align: center;
    padding: 30px;
}

.user-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: bold;
    color: #ffffff;
    margin: 0 auto 20px;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.user-name {
    font-size: 24px;
    font-weight: bold;
    color: #ff6b35;
    margin-bottom: 10px;
}

.user-coin {
    font-size: 18px;
    color: #ffffff;
    margin-bottom: 20px;
}

.logout-btn, .info-btn {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
    color: #ffffff;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 5px;
}

.logout-btn:hover, .info-btn:hover {
    background: linear-gradient(135deg, #ff8c42, #ff6b35);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

/* Alert Styles */
.alert {
    padding: 12px 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
}

.alert-success {
    background: rgba(40, 167, 69, 0.2);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.alert-error {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

/* Loading Styles */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.loading.show {
    opacity: 1;
    visibility: visible;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 107, 53, 0.3);
    border-top: 4px solid #ff6b35;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .form-container, .forgot-container {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    
    .form-section, .method-section {
        min-width: auto;
        max-width: 450px;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .content-area {
        padding: 20px 15px;
    }
    
    .form-section, .method-section {
        padding: 25px 20px;
    }
    
    .form-title, .method-title {
        font-size: 16px;
    }
    
    .nav-tabs {
        flex-wrap: wrap;
    }
    
    .nav-tab {
        padding: 12px 20px;
        font-size: 12px;
    }
    
    .captcha-container .form-input {
        margin-left: 0 !important;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 24px;
    }
    
    .nav-tab {
        padding: 10px 15px;
        font-size: 11px;
    }
    
    .form-section, .method-section {
        padding: 20px 15px;
    }
}