/* Profile Page Styles */

.profile-container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 20px;
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: 80px 20px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Profile Header */
.profile-header {
    display: flex;
    align-items: center;
    gap: 30px;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 30px;
}

.profile-avatar {
    font-size: 100px;
    color: var(--primary-color);
}

.profile-avatar i {
    display: block;
}

.profile-info {
    flex: 1;
}

.profile-info h1 {
    font-size: 32px;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.profile-info p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.profile-badges {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--gradient-primary);
    color: var(--text-light);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-card i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 10px 0;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Tabs */
.profile-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    background: var(--card-bg);
    padding: 10px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.tab-btn {
    flex: 1;
    padding: 15px 20px;
    background: transparent;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--gradient-primary);
    color: var(--text-light);
}

.tab-btn i {
    font-size: 18px;
}

/* Tab Content */
.tab-content {
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.tab-pane {
    display: none;
    padding: 40px;
}

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

/* Form Sections */
.form-section {
    max-width: 700px;
}

.form-section h2 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-description {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    background: var(--input-bg);
    color: var(--text-primary);
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group small {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* BMI Display */
.bmi-display {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    margin: 30px 0;
    color: var(--text-light);
}

.bmi-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
    margin-bottom: 10px;
}

.bmi-value {
    font-size: 48px;
    font-weight: 700;
    margin: 10px 0;
}

.bmi-category {
    font-size: 18px;
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 20px;
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
}

.bmi-category.underweight { background: rgba(52, 152, 219, 0.3); }
.bmi-category.normal { background: rgba(46, 204, 113, 0.3); }
.bmi-category.overweight { background: rgba(241, 196, 15, 0.3); }
.bmi-category.obese { background: rgba(231, 76, 60, 0.3); }

/* Form Actions */
.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.btn-primary,
.btn-secondary,
.btn-danger {
    padding: 12px 30px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-danger {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: var(--text-light);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
}

/* Security Tab */
.security-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.info-card {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: var(--bg-hover);
    border-radius: 10px;
}

.info-card i {
    font-size: 28px;
    color: var(--primary-color);
}

.info-card strong {
    display: block;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.info-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* Password Strength */
.password-strength {
    margin-top: 10px;
}

.strength-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.strength-fill {
    height: 100%;
    width: 0;
    transition: width 0.3s, background-color 0.3s;
    border-radius: 4px;
}

.strength-text {
    font-size: 14px;
    font-weight: 500;
}

/* Danger Zone */
.danger-zone {
    margin-top: 40px;
    border: 2px solid #e74c3c;
    border-radius: 20px;
    padding: 30px !important;
    background: rgba(231, 76, 60, 0.05);
}

.danger-zone h2 {
    color: #e74c3c;
}

.danger-actions {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.danger-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.danger-item strong {
    display: block;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.danger-item p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* Messages */
#messageContainer {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
}

.message {
    padding: 16px 20px;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    animation: slideIn 0.3s ease-out;
}

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

.message-success {
    background: #27ae60;
    color: white;
}

.message-error {
    background: #e74c3c;
    color: white;
}

.message-info {
    background: #3498db;
    color: white;
}

.message-warning {
    background: #f39c12;
    color: white;
}

.message-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 16px;
    cursor: pointer;
    padding: 5px;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.message-close:hover {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
    }
    
    .profile-avatar {
        font-size: 80px;
    }
    
    .profile-info h1 {
        font-size: 24px;
    }
    
    .profile-badges {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .profile-tabs {
        flex-direction: column;
        gap: 5px;
    }
    
    .tab-btn {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .tab-pane {
        padding: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .security-info {
        grid-template-columns: 1fr;
    }
    
    .danger-item {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    #messageContainer {
        left: 20px;
        right: 20px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .bmi-value {
        font-size: 36px;
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 64px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.empty-state p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}