/* 
 * register.css
 * Premium register page — efficient, practical, animated inputs with gold accent
 */

/* === Stepper: gold === */
.stepper-bar {
    background-color: var(--color-oro, #B59E60) !important;
}

.step-node {
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.step-node.active {
    background-color: var(--color-oro, #B59E60) !important;
    border-color: var(--color-oro, #B59E60) !important;
    color: #fff !important;
    box-shadow: 0 0 0 4px rgba(181, 158, 96, 0.15), 0 2px 8px rgba(181, 158, 96, 0.3) !important;
    transform: scale(1.1);
}

.step-node.completed {
    background-color: var(--color-oro, #B59E60) !important;
    border-color: var(--color-oro, #B59E60) !important;
    color: #fff !important;
}

.step-node.completed::after {
    content: '\2713';
    font-size: 0.8rem;
}

/* === Belong cards === */
.belong-card {
    border: 2px solid rgba(181, 158, 96, 0.12) !important;
    background: rgba(255, 255, 255, 0.5) !important;
    backdrop-filter: blur(8px) saturate(140%);
    -webkit-backdrop-filter: blur(8px) saturate(140%);
    color: var(--color-gris-oscuro, #2D3748) !important;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
    position: relative;
    overflow: hidden;
}

.belong-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(181,158,96,0.06) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
}

.belong-card:hover {
    border-color: rgba(181, 158, 96, 0.4) !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(181, 158, 96, 0.1);
}

.belong-card:hover::before {
    opacity: 1;
}

.belong-card.selected {
    border-color: var(--color-oro, #B59E60) !important;
    background: var(--color-oro, #B59E60) !important;
    box-shadow: 0 6px 20px rgba(181, 158, 96, 0.25) !important;
    color: #fff !important;
    transform: translateY(-2px);
}

.belong-card.selected::before {
    opacity: 0;
}

/* === Panel titles === */
.register-container .panel-title {
    color: var(--color-oro, #B59E60);
    font-family: var(--font-heading);
    font-weight: 800;
    border-bottom: 2px solid rgba(181, 158, 96, 0.12);
    padding-bottom: 10px;
    position: relative;
}

.register-container .panel-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--color-oro, #B59E60);
    border-radius: 2px;
}

/* === Form inputs — animated focus === */
.register-container .form-input {
    background: rgba(255, 255, 255, 0.6) !important;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1.5px solid rgba(181, 158, 96, 0.1) !important;
    box-shadow: none !important;
    border-radius: 10px !important;
    padding: 14px 16px !important;
    font-size: 0.92rem !important;
    color: var(--color-gris-oscuro, #2D3748) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    outline: none !important;
}

.register-container .form-input::placeholder {
    color: #b0b8c4;
    font-weight: 400;
    transition: color 0.3s;
}

.register-container .form-input:hover {
    border-color: rgba(181, 158, 96, 0.25) !important;
    background: rgba(255, 255, 255, 0.75) !important;
}

.register-container .form-input:focus {
    border-color: var(--color-oro, #B59E60) !important;
    background: rgba(255, 255, 255, 0.9) !important;
    box-shadow: 0 0 0 3px rgba(181, 158, 96, 0.12), 0 2px 8px rgba(181, 158, 96, 0.08) !important;
    transform: translateY(-1px);
}

.register-container .form-input:focus::placeholder {
    color: #d4c8b0;
}

/* Select dropdown arrow — gold */
.register-container select.form-input {
    appearance: none !important;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23B59E60' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 14px center !important;
    background-size: 16px !important;
    padding-right: 40px !important;
}

/* === Form labels — gold, animated === */
.register-container .form-label {
    color: var(--color-oro, #B59E60) !important;
    font-size: 0.72rem !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.8px !important;
    margin-bottom: 6px !important;
    transition: all 0.3s !important;
}

.register-container .form-group:focus-within .form-label {
    letter-spacing: 1.2px;
    color: #a88f54 !important;
}

/* === Field tips === */
.register-container .field-tip {
    font-size: 0.76rem;
    color: #94a3b8;
    margin-top: 6px;
    font-weight: 500;
    line-height: 1.4;
}

/* === Buttons === */
.register-container .btn-primary {
    background: var(--color-oro, #B59E60) !important;
    border: none !important;
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(181, 158, 96, 0.25) !important;
    border-radius: 10px !important;
    padding: 14px 28px !important;
    font-weight: 700 !important;
    font-size: 0.9rem !important;
    letter-spacing: 0.3px;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
    position: relative;
    overflow: hidden;
}

.register-container .btn-primary::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;
}

.register-container .btn-primary:hover {
    background: #a88f54 !important;
    box-shadow: 0 6px 20px rgba(181, 158, 96, 0.35) !important;
    transform: translateY(-2px);
}

.register-container .btn-primary:hover::before {
    left: 100%;
}

.register-container .btn-primary:active {
    transform: translateY(0) !important;
    box-shadow: 0 2px 8px rgba(181, 158, 96, 0.2) !important;
}

.register-container .btn-secondary {
    background: rgba(255, 255, 255, 0.6) !important;
    color: var(--color-gris-oscuro, #2D3748) !important;
    border: 1.5px solid rgba(181, 158, 96, 0.12) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 10px !important;
    padding: 14px 28px !important;
    font-weight: 600 !important;
    font-size: 0.9rem !important;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.register-container .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.85) !important;
    border-color: rgba(181, 158, 96, 0.3) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

/* === Form step transitions === */
.register-container .form-step.active {
    animation: stepFadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes stepFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === Lookup status === */
.register-container #matric-lookup-status {
    font-weight: 600;
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === File Upload Area — compact, mobile-first, animated icon === */
.file-upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 24px 16px;
    border: 2px dashed rgba(181, 158, 96, 0.22);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(8px) saturate(140%);
    -webkit-backdrop-filter: blur(8px) saturate(140%);
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.02);
    position: relative;
    text-align: center;
}

.file-upload-area:hover {
    border-color: var(--color-oro, #B59E60);
    background: rgba(181, 158, 96, 0.03);
    box-shadow: inset 0 1px 8px rgba(181, 158, 96, 0.04), 0 3px 12px rgba(181, 158, 96, 0.06);
}

.file-upload-area.dragover {
    border-color: var(--color-oro, #B59E60);
    background: rgba(181, 158, 96, 0.06);
}

.file-upload-area.has-file {
    border-color: var(--color-oro, #B59E60);
    border-style: solid;
    background: rgba(181, 158, 96, 0.03);
}

/* Icon wrapper — animated via GSAP */
.file-upload-icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(181, 158, 96, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    margin-bottom: 2px;
}

.file-upload-area:hover .file-upload-icon-wrap {
    background: rgba(181, 158, 96, 0.14);
    box-shadow: 0 0 0 6px rgba(181, 158, 96, 0.06);
}

.file-upload-area.has-file .file-upload-icon-wrap {
    background: rgba(181, 158, 96, 0.15);
    box-shadow: 0 0 0 6px rgba(181, 158, 96, 0.08);
}

.file-upload-icon {
    width: 24px;
    height: 24px;
    color: var(--color-oro, #B59E60);
    opacity: 0.7;
    transition: opacity 0.3s;
    will-change: transform;
}

.file-upload-area:hover .file-upload-icon {
    opacity: 1;
}

.file-upload-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-gris-oscuro, #2D3748);
    transition: color 0.3s;
}

.file-upload-area.has-file .file-upload-label {
    color: var(--color-oro, #B59E60);
}

.file-upload-hint {
    font-size: 0.7rem;
    color: #94a3b8;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.file-upload-filename {
    font-size: 0.78rem;
    color: var(--color-oro, #B59E60);
    font-weight: 700;
    word-break: break-all;
    max-width: 100%;
    animation: fadeInUp 0.3s ease;
}

.file-upload-filename:empty {
    display: none;
}

/* Mobile — horizontal compact layout */
@media (max-width: 640px) {
    .file-upload-area {
        flex-direction: row;
        flex-wrap: wrap;
        padding: 16px 12px;
        gap: 8px 14px;
    }
    
    .file-upload-icon-wrap {
        width: 42px;
        height: 42px;
        flex-shrink: 0;
    }
    
    .file-upload-icon {
        width: 20px;
        height: 20px;
    }
    
    .file-upload-label {
        font-size: 0.8rem;
        flex: 1;
        text-align: left;
        min-width: 120px;
    }
    
    .file-upload-hint {
        width: 100%;
        text-align: center;
    }
    
    .file-upload-filename {
        width: 100%;
        text-align: center;
    }
}

/* === Error messages === */
.register-container .error-msg {
    animation: shakeError 0.4s ease;
}

@keyframes shakeError {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

/* === Alert banners === */
.register-container .alert-error {
    animation: fadeInUp 0.4s ease;
}

/* === Responsive === */
@media (max-width: 640px) {
    .register-container .panel-title {
        font-size: 1rem;
    }
    .belong-card-title { font-size: 0.9rem; }
    .belong-card-desc { font-size: 0.72rem; }
    .register-container .form-grid {
        grid-template-columns: 1fr !important;
    }
}

/* =====================================================
   UMSNH Radio Toggle Pills — Atomic
   ===================================================== */
.umsnh-radio-pill {
    position: relative;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.umsnh-radio-pill input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.umsnh-radio-pill .pill-surface {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 24px;
    border-radius: 999px;
    font-family: var(--font-body);
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--color-gris-medio, #718096);
    background: rgba(255, 255, 255, 0.55);
    border: 1.5px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    user-select: none;
    letter-spacing: 0.3px;
}

.umsnh-radio-pill:hover .pill-surface {
    border-color: rgba(181, 158, 96, 0.35);
    background: rgba(255, 255, 255, 0.75);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(181, 158, 96, 0.1);
}

.umsnh-radio-pill input:checked + .pill-surface {
    color: #fff;
    background: linear-gradient(135deg, #b59e60 0%, #a08a4e 100%);
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(181, 158, 96, 0.35);
    transform: scale(1.04);
}

.umsnh-radio-pill input:focus-visible + .pill-surface {
    outline: 2px solid var(--color-oro, #b59e60);
    outline-offset: 2px;
}