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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 40px;
    padding: 20px;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.2em;
    opacity: 0.9;
    color: #e0e0e0;
}

.socials {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
}

.socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.socials a:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.socials a svg {
    width: 24px;
    height: 24px;
    fill: white;
    transition: fill 0.3s ease;
}

.socials a:hover svg {
    fill: #667eea;
}

/* Socials inside auth-card - dark icons on white background */
.auth-card .socials a {
    background: rgba(0, 0, 0, 0.05);
}

.auth-card .socials a:hover {
    background: rgba(102, 126, 234, 0.1);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.auth-card .socials a svg {
    fill: #333;
}

.auth-card .socials a:hover svg {
    fill: #667eea;
}

.auth-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 400px;
    padding: 20px;
}

.auth-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    text-align: center;
    max-width: 500px;
    width: 100%;
    backdrop-filter: blur(10px);
}

.auth-card h2 {
    margin-bottom: 20px;
    color: #667eea;
}

.auth-card p {
    margin-bottom: 30px;
    color: #666;
    line-height: 1.6;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #218838;
}

.btn-large {
    padding: 15px 40px;
    font-size: 18px;
}

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

.wallet-status {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    font-size: 14px;
}

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

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

/* Auth tabs */
.auth-tabs {
    margin-bottom: 20px;
}

.auth-tab-btn {
    transition: all 0.3s ease;
    font-weight: 600;
}

.auth-tab-btn:hover {
    color: #007bff !important;
}

.auth-tab-content {
    animation: fadeIn 0.3s ease;
}

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

/* Email auth forms */
#email-login-form,
#email-register-form {
    text-align: left;
}

#email-login-form label,
#email-register-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #333;
}

#email-login-form input,
#email-register-form input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s ease;
}

#email-login-form input:focus,
#email-register-form input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.dashboard-section {
    animation: fadeIn 0.5s ease;
}

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

.user-info-bar {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    backdrop-filter: blur(10px);
}

.balance-display {
    display: flex;
    align-items: center;
    gap: 10px;
}

.balance-label {
    font-size: 0.9em;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.balance-amount {
    font-size: 2em;
    font-weight: bold;
    color: #667eea;
}

.balance-symbol {
    font-size: 1.2em;
    color: #764ba2;
    font-weight: 600;
}

.user-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-label {
    font-size: 0.85em;
    color: #666;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 1.3em;
    font-weight: bold;
    color: #333;
}

.nav-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.nav-tab {
    padding: 12px 20px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    flex: 1;
    min-width: 120px;
}

.nav-tab:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.nav-tab.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

.tasks-section, .transactions-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

.tasks-section h2, .transactions-section h2 {
    color: #667eea;
    margin-bottom: 25px;
    font-size: 1.8em;
}

.tasks-list {
    display: grid;
    gap: 20px;
}

.task-card {
    border: 2px solid #e0e0e0;
    border-radius: 15px;
    padding: 25px;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.task-card:hover {
    border-color: #667eea;
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.2);
}

.task-card.completed {
    border-color: #28a745;
    background: #f0fff4;
}

.task-card.claimed {
    border-color: #6c757d;
    background: #f5f5f5;
    opacity: 0.7;
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.task-title {
    font-size: 1.3em;
    font-weight: 600;
    color: #333;
}

.task-reward {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9em;
}

.task-description {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.task-status {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85em;
    font-weight: 600;
    margin-bottom: 15px;
}

.task-status.pending {
    background: #fff3cd;
    color: #856404;
}

.task-status.completed {
    background: #d4edda;
    color: #155724;
}

.task-status.claimed {
    background: #d1ecf1;
    color: #0c5460;
}

.task-actions {
    display: flex;
    gap: 10px;
}

.transactions-list {
    display: grid;
    gap: 15px;
}

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.transaction-item.earn {
    border-left-color: #28a745;
}

.transaction-item.claim {
    border-left-color: #17a2b8;
}

.transaction-info {
    flex: 1;
}

.transaction-type {
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.transaction-date {
    font-size: 0.85em;
    color: #888;
}

.transaction-amount {
    font-size: 1.2em;
    font-weight: 600;
    color: #667eea;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #888;
    font-size: 1.1em;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    border: 1px solid #f5c6cb;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    border: 1px solid #c3e6cb;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }
    
    .user-info-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .balance-amount {
        font-size: 1.5em;
    }
    
    .nav-tabs {
        flex-direction: column;
    }
    
    .nav-tab {
        width: 100%;
    }
    
    .task-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}