/* Custom Properties / Variables - Minimalist Gallery Theme */
:root {
    --primary: #000000;
    --primary-hover: #333333;
    --secondary: #000000;
    --accent: #E0E0E0;
    
    --bg-main: #FFFFFF;
    --bg-section: #FAFAFA;
    --border: #E0E0E0;
    --border-dark: #000000;
    
    --text-main: #000000;
    --text-muted: #666666;
    
    --font-family: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
    --radius: 0px; /* Sharp corners for modern gallery look */
    
    --success: #16a34a;
    --error: #dc2626;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* Header */
.header {
    padding: 24px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: #FFFFFF;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-submit {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-family: var(--font-family);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary, .btn-submit {
    background: var(--primary);
    color: #FFFFFF;
    border: 1px solid var(--primary);
}

.btn-primary:hover, .btn-submit:hover {
    background: var(--bg-main);
    color: var(--primary);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: #FFFFFF;
}

.btn-submit {
    width: 100%;
    font-size: 16px;
    margin-top: 24px;
    padding: 18px;
}

/* Form Banner */
.form-banner {
    width: 100%;
    height: 200px;
    background: #EAEAEA;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 24px;
}

.form-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Registration Section */
.registration-section {
    padding: 100px 0;
    background: var(--bg-section);
    border-top: 1px solid var(--border);
}

.form-header {
    text-align: center;
    margin-bottom: 60px;
}

.form-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -1px;
}

.form-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 300;
}

/* Form Styles - Minimalist Flat */
.flat-form {
    background: #FFFFFF;
    border: 1px solid var(--border);
    padding: 60px;
    max-width: 800px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px 24px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

/* Floating Labels */
.form-floating {
    position: relative;
    padding-top: 20px;
}

.form-floating label {
    position: absolute;
    top: 32px;
    left: 0;
    font-size: 1.1rem;
    color: var(--text-muted);
    transition: 0.2s ease all;
    pointer-events: none;
    font-weight: 300;
}

.form-floating input[type="text"],
.form-floating input[type="email"],
.form-floating input[type="tel"],
.form-floating textarea {
    width: 100%;
    padding: 12px 0 8px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 1.1rem;
    transition: var(--transition);
}

.form-floating textarea {
    min-height: 80px;
    resize: vertical;
}

.form-floating input:focus,
.form-floating textarea:focus {
    outline: none;
    border-bottom: 2px solid var(--primary);
}

/* Active floating label state */
.form-floating input:focus ~ label,
.form-floating input:not(:placeholder-shown) ~ label,
.form-floating textarea:focus ~ label,
.form-floating textarea:not(:placeholder-shown) ~ label {
    top: 0;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-main);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Validation States */
.form-floating input.is-valid,
.form-floating textarea.is-valid {
    border-bottom-color: var(--success);
}
.form-floating input.is-invalid,
.form-floating textarea.is-invalid {
    border-bottom-color: var(--error);
}
.validation-icon {
    position: absolute;
    right: 0;
    top: 32px;
    font-size: 1.2rem;
    opacity: 0;
    transition: var(--transition);
}
.is-valid ~ .validation-icon.success-icon { opacity: 1; color: var(--success); }
.is-invalid ~ .validation-icon.error-icon { opacity: 1; color: var(--error); }


/* File Upload */
.upload-group {
    margin-top: 24px;
}

.hidden-input {
    display: none;
}

.upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: var(--bg-section);
    border: 1px dashed var(--border-dark);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.upload-label:hover {
    background: var(--primary);
    color: #FFFFFF;
}

.upload-label:hover .upload-text {
    color: #FFFFFF;
}

.upload-icon {
    font-size: 24px;
    margin-bottom: 16px;
    z-index: 2;
}

.upload-text {
    color: var(--text-main);
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    z-index: 2;
}

/* Image Preview */
#image-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.has-preview .upload-icon,
.has-preview .upload-text {
    opacity: 0; /* Hide text when image is previewed */
}

.file-name-display {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: center;
}

/* Modal Custom */
.custom-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.custom-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: #FFFFFF;
    padding: 60px 40px;
    text-align: center;
    max-width: 500px;
    width: 90%;
    transform: translateY(20px);
    transition: 0.4s ease all;
}

.custom-modal.active .modal-content {
    transform: translateY(0);
}

.modal-icon {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 24px;
}

.modal-title {
    font-size: 2rem;
    margin-bottom: 16px;
    font-weight: 800;
}

/* Footer */
.footer {
    padding: 60px 0;
    background: #FFFFFF;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
}

.footer-links a {
    color: var(--text-main);
    text-decoration: none;
    margin: 0 16px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .flat-form {
        padding: 40px 24px;
        border-left: none;
        border-right: none;
    }
    
    .btn-primary {
        padding: 10px 16px;
        font-size: 12px;
    }
    
    .header-logo {
        height: 36px;
    }
}