/* Reset și variabile CSS */
:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --info-color: #17a2b8;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --gray-color: #7f8c8d;
    --white: #ffffff;
    --black: #000000;
    
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    
    --border-radius: 12px;
    --border-radius-small: 8px;
    --border-radius-large: 20px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background: var(--gradient-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container principal */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeInDown 0.8s ease;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo i {
    font-size: 2.5rem;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.logo h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    margin-top: 10px;
}

/* Conținut principal */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Container formular */
.form-container {
    background: var(--white);
    border-radius: var(--border-radius-large);
    padding: 40px;
    box-shadow: var(--shadow-heavy);
    animation: fadeInUp 0.8s ease 0.2s both;
}

/* Formular */
.request-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--dark-color);
    font-size: 0.95rem;
}

.form-group label i {
    color: var(--primary-color);
    width: 16px;
}

.form-group input,
.form-group textarea {
    padding: 15px 20px;
    border: 2px solid #e1e8ed;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: #fafbfc;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    transform: translateY(-1px);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--secondary-color);
    background: #fdf2f2;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.field-hint {
    font-size: 0.85rem;
    color: var(--gray-color);
    margin-top: 5px;
    display: block;
}

.char-count {
    font-size: 0.85rem;
    color: var(--gray-color);
    text-align: right;
    margin-top: 5px;
}

.error-message {
    color: var(--secondary-color);
    font-size: 0.85rem;
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.error-message::before {
    content: '⚠';
}

/* Buton submit */
.submit-btn {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 18px 30px;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
    box-shadow: var(--shadow-medium);
}

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

.submit-btn:active {
    transform: translateY(0);
}

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

/* Secțiunea info */
.info-section {
    animation: fadeInUp 0.8s ease 0.4s both;
}

.info-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow-light);
    backdrop-filter: blur(10px);
}

.info-card i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.info-card h3 {
    color: var(--dark-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card li {
    padding: 8px 0;
    color: var(--dark-color);
    position: relative;
    padding-left: 25px;
}

.info-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius-large);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
    transform: scale(0.8);
    opacity: 0;
    transition: var(--transition);
}

.modal-header {
    padding: 30px 30px 20px;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.modal-header i {
    font-size: 3rem;
    color: var(--success-color);
    margin-bottom: 15px;
}

.modal-header h2 {
    color: var(--dark-color);
    font-size: 1.5rem;
    margin: 0;
}

.modal-body {
    padding: 20px 30px;
    text-align: center;
}

.modal-body p {
    color: var(--gray-color);
    font-size: 1rem;
    line-height: 1.6;
}

.modal-footer {
    padding: 20px 30px 30px;
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn-primary,
.btn-secondary {
    padding: 12px 25px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--light-color);
    color: var(--dark-color);
}

.btn-secondary:hover {
    background: #d5dbdb;
    transform: translateY(-1px);
}

/* Loading overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    z-index: 999;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay p {
    color: var(--dark-color);
    font-size: 1.1rem;
    font-weight: 500;
}

/* Notificări de eroare */
.error-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--secondary-color);
    color: var(--white);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 400px;
    animation: slideInRight 0.3s ease;
}

.error-notification button {
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: 5px;
    margin-left: auto;
}

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

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-top: auto;
}

/* Animații */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .form-container {
        padding: 25px;
        border-radius: var(--border-radius);
    }
    
    .logo h1 {
        font-size: 1.8rem;
    }
    
    .logo i {
        font-size: 2rem;
    }
    
    .modal-content {
        margin: 10px;
        border-radius: var(--border-radius);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 20px;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    .form-container {
        padding: 20px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 12px 15px;
    }
    
    .submit-btn {
        padding: 15px 25px;
    }
    
    .logo {
        flex-direction: column;
        gap: 10px;
    }
}

/* Optimizări pentru performanță */
.form-group input,
.form-group textarea,
.submit-btn,
.btn-primary,
.btn-secondary {
    will-change: transform;
}

/* Accesibilitate */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus pentru accesibilitate */
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Success and Error Messages */
.success-message,
.error-message {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 1;
}

.success-content,
.error-content {
    background: var(--white);
    border-radius: var(--border-radius-large);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-heavy);
    max-width: 500px;
    width: 100%;
    animation: slideInUp 0.5s ease-out;
}

.success-content i {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 20px;
    display: block;
}

.error-content i {
    font-size: 4rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    display: block;
}

.success-content h3,
.error-content h3 {
    color: var(--dark-color);
    font-size: 1.8rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.success-content p,
.error-content p {
    color: var(--gray-color);
    font-size: 1.1rem;
    margin-bottom: 25px;
    line-height: 1.5;
}

.new-request-btn,
.retry-btn {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.new-request-btn:hover,
.retry-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Print styles */
@media print {
    .loading-overlay,
    .modal,
    .error-notification,
    .success-message,
    .error-message {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}