/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: #333;
}

.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.email-form-wrapper {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-header {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
    padding: 40px 30px;
    text-align: center;
}

.form-header i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.9;
}

.form-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.form-header p {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 300;
}

.email-form {
    padding: 40px 30px;
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-group label {
    display: flex;
    align-items: center;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group label i {
    margin-right: 8px;
    color: #6366f1;
    width: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fafafa;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #6366f1;
    background: white;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

.character-count {
    text-align: right;
    font-size: 0.85rem;
    color: #6b7280;
    margin-top: 5px;
}

.error-message {
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: 5px;
    display: block;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.error-message.show {
    opacity: 1;
}

.form-group.error input,
.form-group.error textarea {
    border-color: #ef4444;
    background: #fef2f2;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
    border: none;
    padding: 16px 24px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

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

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: none;
}

.submit-btn.loading .spinner {
    display: block;
}

.submit-btn.loading span {
    opacity: 0;
}

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

    100% {
        transform: rotate(360deg);
    }
}

.message-container {
    padding: 0 30px 30px;
}

.message {
    display: none;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    animation: fadeIn 0.4s ease-out;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-message {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.error-message {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.message.show {
    display: flex;
}

/* Responsive design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .form-header {
        padding: 30px 20px;
    }

    .form-header h1 {
        font-size: 2rem;
    }

    .form-header i {
        font-size: 2.5rem;
    }

    .email-form {
        padding: 30px 20px;
    }

    .message-container {
        padding: 0 20px 20px;
    }
}

@media (max-width: 480px) {
    .form-header h1 {
        font-size: 1.75rem;
    }

    .form-header p {
        font-size: 1rem;
    }

    .email-form {
        padding: 20px 15px;
    }

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

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

/* Focus visible for better keyboard navigation */
.submit-btn:focus-visible {
    outline: 2px solid #4f46e5;
    outline-offset: 2px;
}

input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #4f46e5;
    outline-offset: 2px;
}