* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top left, #1e293b, #0f172a 55%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    color: #0f172a;
}

.auth-container {
    width: min(440px, 100%);
    background: rgba(252, 252, 253, 0.94);
    box-shadow: 0 28px 60px rgba(15, 23, 42, 0.35);
    border-radius: 24px;
    padding: 36px;
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.auth-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-title {
    font-size: 26px;
    margin: 0;
    color: #0f172a;
}

.auth-subtitle {
    margin: 0;
    color: #475569;
    font-size: 15px;
}

.form-message {
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    opacity: 1;
    transition: opacity 0.2s ease;
}

.form-message--success {
    background: rgba(34, 197, 94, 0.12);
    color: #047857;
    border: 1px solid rgba(34, 197, 94, 0.35);
}

.form-message--error {
    background: rgba(248, 113, 113, 0.12);
    color: #b91c1c;
    border: 1px solid rgba(248, 113, 113, 0.35);
}

.form-message--hidden {
    opacity: 0;
    pointer-events: none;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

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

.form-field label {
    font-weight: 600;
    font-size: 14px;
    color: #1e293b;
}

.form-field input,
.form-field textarea,
.form-field select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.45);
    font-size: 14px;
    color: #0f172a;
    background: rgba(255, 255, 255, 0.85);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field textarea {
    min-height: 100px;
    resize: vertical;
}

.form-field-hint {
    margin: -4px 0 0;
    font-size: 12px;
    color: #64748b;
}

.auth-photo-preview {
    margin-top: 8px;
    width: 96px;
    height: 96px;
    border-radius: 9999px;
    border: 2px dashed #cbd5f6;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    color: #94a3b8;
    font-size: 12px;
    font-weight: 500;
    text-align: center;
    overflow: hidden;
    position: relative;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.auth-photo-preview[data-has-image="true"] {
    border-style: solid;
    border-color: #38bdf8;
    color: transparent;
}

.auth-photo-preview__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.auth-photo-preview[data-has-image="true"] .auth-photo-preview__image {
    display: block;
}

.auth-photo-preview__placeholder {
    padding: 0 12px;
    line-height: 1.35;
}

.auth-photo-preview[data-has-image="true"] .auth-photo-preview__placeholder {
    display: none;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    background: rgba(255, 255, 255, 1);
}

.checkbox-field label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: 500;
    color: #1e293b;
    line-height: 1.4;
}

.checkbox-field input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
}

.auth-submit-btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 16px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    color: #0f172a;
    background: linear-gradient(135deg, #38bdf8, #6366f1);
    box-shadow: 0 18px 40px rgba(99, 102, 241, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.auth-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 24px 50px rgba(99, 102, 241, 0.32);
}

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

.auth-footer {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
}

.auth-footer a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

@media (max-width: 640px) {
    body {
        padding: 16px;
    }
    .auth-container {
        padding: 28px 24px;
        gap: 20px;
    }
}