:root {
    --primary-color: #3498db;
    --primary-dark: #2c80b4;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #2980b9;
}

body {
    background: linear-gradient(135deg, rgba(210, 235, 255, 0.9) 0%, rgba(173, 216, 230, 0.9) 25%, rgba(52, 152, 219, 0.9) 50%, rgba(41, 128, 185, 0.9) 75%, rgba(36, 113, 163, 0.9) 100%), url('/images/logos/logo.png') no-repeat center center;
    background-size: cover;
    border-radius: 8px;
    position: relative;
    font-family: 'Roboto', sans-serif;
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
}

.application-container {
    max-width: 1200px;
    margin: 30px auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.1);
    overflow: hidden;
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0px;
    border-bottom: none;
    position: relative;
}

.card-header h5 {
    font-weight: 100;
    margin: 0;
    font-size: .5rem;
}

.nav-tabs {
    border-bottom: 2px solid #eee;
    padding: 0 20px;
    background: #f8f9fa;
}

.nav-tabs .nav-link {
    border: none;
    color: var(--dark-color);
    font-weight: 500;
    padding: 12px 25px;
    position: relative;
    transition: all 0.3s;
    border-radius: 0;
    margin-bottom: -2px;
}

.nav-tabs .nav-link:hover {
    color: var(--primary-color);
    border-color: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    background: transparent;
    border: none;
    border-bottom: 3px solid var(--primary-color);
}

.nav-tabs .nav-link.disabled {
    color: #6c757d;
    pointer-events: none;
}

.tab-content {
    padding: 30px;
}

.form-label {
    font-weight: 500;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.required-field::after {
    content: " *";
    color: var(--accent-color);
    margin-left: 3px;
}

.form-control, .form-select {
    padding: 12px 15px;
    border-radius: 6px;
    border: 1px solid #ddd;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    font-weight: 600;
    padding: 10px 25px;
    border-radius: 6px;
    transition: all 0.3s;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

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

.btn-secondary:hover {
    background-color: #1a252f;
    border-color: #1a252f;
}

.progress {
    height: 8px;
    margin: 20px 0;
    border-radius: 4px;
    background-color: #e9ecef;
}

.progress-bar {
    background-color: var(--primary-color);
    transition: width 0.5s ease;
}

/* Avatar Upload */
.avatar-upload {
    position: relative;
    max-width: 200px;
    margin: 0 auto 30px;
}

.avatar-edit {
    position: absolute;
    right: 15px;
    bottom: 15px;
    z-index: 1;
}

.avatar-edit input {
    display: none;
}

.avatar-edit label {
    display: inline-block;
    width: 40px;
    height: 40px;
    margin-bottom: 0;
    border-radius: 100%;
    background: white;
    border: 1px solid #d2d6de;
    box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    font-weight: normal;
    text-align: center;
    line-height: 40px;
    transition: all 0.3s;
}

.avatar-edit label:hover {
    background: #f1f1f1;
    transform: scale(1.1);
}

.avatar-preview {
    width: 200px;
    height: 200px;
    position: relative;
    border-radius: 50%;
    border: 4px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.avatar-preview > div {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-color: #f5f5f5;
}

.alert {
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-primary {
    border-left-color: var(--primary-color);
    background-color: rgba(52, 152, 219, 0.1);
}

.alert-info {
    border-left-color: var(--info-color);
    background-color: rgba(41, 128, 185, 0.1);
}

.alert-warning {
    border-left-color: var(--warning-color);
    background-color: rgba(243, 156, 18, 0.1);
}

.alert-success {
    border-left-color: var(--success-color);
    background-color: rgba(46, 204, 113, 0.1);
}

.input-group-text {
    background-color: var(--light-color);
    color: var(--dark-color);
}

.is-invalid {
    border-color: var(--danger-color) !important;
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: 0.85rem;
    margin-top: 5px;
    display: none;
}

.tab-pane {
    animation: fadeIn 0.3s ease-out;
}

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

.spinner-border {
    width: 1.5rem;
    height: 1.5rem;
    border-width: 0.2em;
}

.back-link {
    color: white;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s;
}

.back-link:hover {
    color: var(--primary-color);
    transform: translateX(-3px);
}

.goog-te-gadget {
    color: white !important;
    font-family: 'Roboto', sans-serif !important;
}

.goog-te-gadget-simple {
    background-color: transparent !important;
    border: none !important;
    padding: 0 !important;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.char-counter {
    font-size: 0.8rem;
    color: #6c757d;
    text-align: right;
    margin-top: -15px;
    margin-bottom: 15px;
}

.char-counter.warning {
    color: var(--warning-color);
}

.char-counter.danger {
    color: var(--danger-color);
}

@media (max-width: 768px) {
    .nav-tabs .nav-link {
        padding: 10px 15px;
        font-size: 14px;
    }

    .tab-content {
        padding: 20px;
    }

    .avatar-preview {
        width: 150px;
        height: 150px;
    }

    .card-header h5 {
        font-size: 1.3rem;
    }

    .btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
}