/* Contact Form Styles - Matching Cosmic Portfolio Theme */
:root {
    /* Light mode colors */
    --bg-primary: rgba(248, 250, 252, 0.9);
    --bg-secondary: rgba(241, 245, 249, 0.8);
    --bg-focus: rgba(241, 245, 249, 0.95);
    --border-color: rgba(148, 163, 184, 0.2);
    --border-focus: #818cf8;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-accent: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --text-label: #374151;
    --placeholder-color: #9ca3af;
    --success-bg: rgba(34, 197, 94, 0.15);
    --success-border: rgba(34, 197, 94, 0.3);
    --error-bg: rgba(239, 68, 68, 0.15);
    --error-border: rgba(239, 68, 68, 0.3);
    --loading-bg: rgba(129, 140, 248, 0.15);
    --loading-border: rgba(129, 140, 248, 0.3);
    --particle-color-1: rgba(129, 140, 248, 0.2);
    --particle-color-2: rgba(129, 140, 248, 0.1);
    --particle-color-3: rgba(129, 140, 248, 0.3);
}

@media(prefers-color-scheme: dark) {
    /* Dark mode colors */
    --bg-primary: rgba(26, 26, 46, 0.3);
    --bg-secondary: rgba(26, 26, 46, 0.8);
    --bg-focus: rgba(26, 26, 46, 0.9);
    --border-color: rgba(255, 255, 255, 0.1);
    --border-focus: #818cf8;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-accent: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --text-label: #ffffff;
    --placeholder-color: #6b7280;
    --success-bg: rgba(34, 197, 94, 0.15);
    --success-border: rgba(34, 197, 94, 0.3);
    --error-bg: rgba(239, 68, 68, 0.15);
    --error-border: rgba(239, 68, 68, 0.3);
    --loading-bg: rgba(129, 140, 248, 0.15);
    --loading-border: rgba(129, 140, 248, 0.3);
    --particle-color-1: rgba(129, 140, 248, 0.3);
    --particle-color-2: rgba(129, 140, 248, 0.2);
    --particle-color-3: rgba(129, 140, 248, 0.4);
}

@media (prefers-color-scheme: dark) {
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        /* Dark mode colors */
        --bg-primary: rgba(26, 26, 46, 0.3);
        --bg-secondary: rgba(26, 26, 46, 0.8);
        --bg-focus: rgba(26, 26, 46, 0.9);
        --border-color: rgba(255, 255, 255, 0.1);
        --border-focus: #818cf8;
        --text-primary: #ffffff;
        --text-secondary: #a1a1aa;
        --text-label: #ffffff;
        --placeholder-color: #6b7280;
        --particle-color-1: rgba(129, 140, 248, 0.3);
        --particle-color-2: rgba(129, 140, 248, 0.2);
        --particle-color-3: rgba(129, 140, 248, 0.4);
    }
}

.contact-section {
    padding: 5rem 2rem;
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--text-accent);
    border-radius: 30px 30px 0 0;
}

.contact-section h2 {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    background: var(--text-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
}

#contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    position: relative;
}

.form-group label {
    font-weight: 600;
    color: var(--text-label);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.form-group input,
.form-group textarea {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 1.2rem 1.5rem;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    backdrop-filter: blur(10px);
    outline: none;
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--placeholder-color);
    opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--border-focus);
    background: var(--bg-focus);
    box-shadow: 0 0 0 4px rgba(129, 140, 248, 0.1);
    transform: translateY(-2px);
}

.form-group input:focus + label,
.form-group textarea:focus + label {
    color: var(--border-focus);
    transform: translateY(-2px);
}

/* Floating label effect */
.form-group {
    position: relative;
}

.form-group.floating-label label {
    position: absolute;
    top: 1.2rem;
    left: 1.5rem;
    background: var(--bg-focus);
    padding: 0 0.5rem;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 10;
}

.form-group.floating-label input:focus ~ label,
.form-group.floating-label input:not(:placeholder-shown) ~ label,
.form-group.floating-label textarea:focus ~ label,
.form-group.floating-label textarea:not(:placeholder-shown) ~ label {
    top: -0.5rem;
    left: 1rem;
    font-size: 0.9rem;
    color: var(--border-focus);
    background: var(--bg-focus);
    border-radius: 5px;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
    line-height: 1.6;
}

/* Submit Button */
.btn {
    background: var(--text-accent);
    border: none;
    border-radius: 50px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 1.2rem 2.5rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
    align-self: center;
    min-width: 200px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

.btn:active {
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.2);
}

/* Form Status Messages */
.form-status {
    margin-top: 1.5rem;
    padding: 1rem 1.5rem;
    border-radius: 15px;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(10px);
}

.form-status.show {
    opacity: 1;
    transform: translateY(0);
}

.form-status.success {
    background: var(--success-bg);
    border: 2px solid var(--success-border);
    color: #22c55e;
}

.form-status.error {
    background: var(--error-bg);
    border: 2px solid var(--error-border);
    color: #ef4444;
}

.form-status.loading {
    background: var(--loading-bg);
    border: 2px solid var(--loading-border);
    color: #818cf8;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Loading spinner */
.form-status.loading::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid rgba(129, 140, 248, 0.3);
    border-top: 2px solid #818cf8;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Input validation styles */
.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: #ef4444;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: #22c55e;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.1);
}

/* Floating particles effect for contact form */
.contact-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
            radial-gradient(2px 2px at 20px 30px, var(--particle-color-1), transparent),
            radial-gradient(2px 2px at 40px 70px, var(--particle-color-2), transparent),
            radial-gradient(1px 1px at 90px 40px, var(--particle-color-3), transparent),
            radial-gradient(1px 1px at 130px 80px, var(--particle-color-2), transparent),
            radial-gradient(2px 2px at 160px 30px, var(--particle-color-1), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: particles 20s linear infinite;
    pointer-events: none;
    opacity: 0.3;
}

@keyframes particles {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-100px); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .contact-section {
        padding: 3rem 1.5rem;
        border-radius: 20px;
        margin: 1rem;
    }

    .contact-section h2 {
        font-size: 2.5rem;
    }

    .contact-intro {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }

    #contact-form {
        gap: 1.5rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 1rem 1.2rem;
        font-size: 0.95rem;
    }

    .btn {
        width: 100%;
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .contact-section {
        padding: 2rem 1rem;
        margin: 0.5rem;
    }

    .contact-section h2 {
        font-size: 2rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.9rem 1rem;
        border-radius: 12px;
    }

    .btn {
        padding: 0.9rem 1.5rem;
        border-radius: 40px;
    }
}

/* Accessibility enhancements */
@media (prefers-reduced-motion: reduce) {
    .contact-section::after {
        animation: none;
    }

    .btn::before {
        display: none;
    }

    * {
        transition: none !important;
        animation: none !important;
    }
}

/* Focus management for keyboard navigation */
.form-group input:focus-visible,
.form-group textarea:focus-visible,
.btn:focus-visible {
    outline: 3px solid var(--border-focus);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .contact-section {
        border: 2px solid var(--text-primary);
        background: rgba(0, 0, 0, 0.9);
    }

    .form-group input,
    .form-group textarea {
        border: 2px solid var(--text-primary);
        background: rgba(0, 0, 0, 0.8);
    }
}