/*
 * AUTH.CSS - Premium Split-Screen Authentication Styles for GigGo
 * Bám sát thiết kế cao cấp, tối giản, thanh lịch của mẫu tham khảo.
 */

:root {
    --auth-brand-color: #006b5d;
    --auth-brand-hover: #005a4e;
    --auth-bg-light: #F8FAFC;
    --auth-border-color: #E2E8F0;
    --auth-text-dark: #0F172A;
    --auth-text-gray: #64748B;
    --auth-google-border: #E2E8F0;
}

body.auth-body-layout {
    background-color: var(--auth-bg-light);
    font-family: 'Inter', sans-serif;
    color: var(--auth-text-dark);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Auth Split-Screen Container */
.auth-container {
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* Form Panel */
.auth-form-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: #ffffff;
    padding: 40px;
    min-height: 100vh;
    box-sizing: border-box;
    position: relative;
    z-index: 10;
}

@media (min-width: 992px) {
    .auth-form-panel {
        max-width: 50%;
        flex: 0 0 50%;
        padding: 50px 80px;
    }
}

@media (min-width: 1200px) {
    .auth-form-panel {
        max-width: 45%;
        flex: 0 0 45%;
        padding: 60px 100px;
    }
}

/* Visual Panel */
.auth-visual-panel {
    display: none;
    flex: 1;
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

@media (min-width: 992px) {
    .auth-visual-panel {
        display: block;
    }
}

/* Slideshow Container */
.auth-slideshow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.auth-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.0s ease-in-out;
}

.auth-slide.active {
    opacity: 1;
}

/* Immersive Dark Overlay */
.auth-visual-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg, 
        rgba(0, 107, 93, 0.45) 0%, 
        rgba(15, 23, 42, 0.9) 100%
    );
    z-index: 1;
}

/* Visual Panel Text Overlay */
.auth-visual-content {
    position: absolute;
    bottom: 80px;
    left: 60px;
    right: 60px;
    color: #ffffff !important;
    z-index: 2;
}

/* Text Slide for custom slideshow */
.auth-text-slide {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
    pointer-events: none;
}

.auth-text-slide.active {
    position: relative;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.auth-visual-title {
    font-size: clamp(2rem, 3vw, 2.75rem);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    color: #ffffff !important;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.auth-visual-subtitle {
    font-size: 1.15rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 400;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Header Elements */
.auth-header-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.auth-logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--auth-brand-color);
    transition: transform 0.2s ease;
}

.auth-logo-link:hover {
    transform: scale(1.02);
}

.auth-nav-btn {
    font-size: 14px;
    font-weight: 600;
    color: var(--auth-text-gray);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s ease;
}

.auth-nav-btn:hover {
    color: var(--auth-brand-color);
}

/* Form Container */
.auth-form-content {
    max-width: 440px;
    width: 100%;
    margin: auto 0;
}

.auth-form-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--auth-text-dark);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.auth-form-subtitle {
    color: var(--auth-text-gray);
    font-size: 15px;
    margin-bottom: 30px;
}

/* Custom Google Button */
.btn-auth-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    background-color: #ffffff;
    border: 1px solid var(--auth-google-border);
    color: var(--auth-text-dark);
    font-size: 15px;
    font-weight: 600;
    padding: 12px 16px;
    border-radius: 12px;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}

.btn-auth-google:hover {
    background-color: #F8FAFC;
    border-color: #CBD5E1;
}

.btn-auth-google:active {
    transform: scale(0.99);
}

.btn-auth-google img {
    height: 18px;
    width: 18px;
}

/* Divider 'or' */
.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: #94A3B8;
    font-size: 13px;
    margin: 24px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--auth-border-color);
}

.auth-divider:not(:empty)::before {
    margin-right: 12px;
}

.auth-divider:not(:empty)::after {
    margin-left: 12px;
}

/* Form Controls */
.auth-form-group {
    margin-bottom: 20px;
}

.auth-form-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--auth-text-dark);
    margin-bottom: 8px;
    display: block;
}

/* Elegant Inputs */
.auth-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.auth-input-group .auth-input-icon {
    position: absolute;
    left: 16px;
    color: #94A3B8;
    font-size: 18px;
    pointer-events: none;
    transition: color 0.2s ease;
}

.auth-form-control {
    width: 100%;
    background-color: #ffffff;
    border: 1px solid var(--auth-border-color);
    border-radius: 12px;
    padding: 12px 16px 12px 48px;
    font-size: 15px;
    color: var(--auth-text-dark);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-form-control::placeholder {
    color: #94A3B8;
}

.auth-form-control:focus {
    outline: none;
    border-color: var(--auth-brand-color);
    box-shadow: 0 0 0 4px rgba(0, 107, 93, 0.1);
}

.auth-input-group:focus-within .auth-input-icon {
    color: var(--auth-brand-color);
}

/* Form Select override */
select.auth-form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px 12px;
    padding-right: 40px;
}

/* For inputs that don't have icons (e.g. textareas) */
.auth-form-control-no-icon {
    padding-left: 16px;
}

/* Validation styling */
.auth-form-control.is-invalid {
    border-color: #EF4444;
}

.auth-form-control.is-invalid:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.auth-feedback-invalid {
    color: #EF4444;
    font-size: 12px;
    font-weight: 500;
    margin-top: 6px;
    display: none;
}

.auth-form-control.is-invalid ~ .auth-feedback-invalid,
.is-invalid ~ .invalid-feedback,
.auth-feedback-invalid:not(:empty) {
    display: block;
}

/* Row-based Form Controls (Họ tên + Bạn là ai) */
.auth-row-fields {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.auth-col-field {
    flex: 1 1 calc(50% - 8px);
    min-width: 180px;
}

/* Form Utilities */
.auth-form-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    margin-bottom: 24px;
}

.auth-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--auth-text-gray);
    cursor: pointer;
    font-weight: 500;
}

.auth-checkbox-input {
    width: 18px;
    height: 18px;
    border: 1px solid var(--auth-border-color);
    border-radius: 4px;
    cursor: pointer;
    accent-color: var(--auth-brand-color);
}

.auth-forgot-link {
    color: var(--auth-brand-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.auth-forgot-link:hover {
    color: var(--auth-brand-hover);
    text-decoration: underline;
}

/* Submit Button */
.btn-auth-submit {
    width: 100%;
    background-color: var(--auth-brand-color);
    color: #ffffff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    padding: 14px 24px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
}

.btn-auth-submit:hover {
    background-color: var(--auth-brand-hover);
    box-shadow: 0 4px 12px rgba(0, 107, 93, 0.25);
}

.btn-auth-submit:active {
    transform: scale(0.99);
}

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

/* Footer / Switch Screen Text */
.auth-switch-text {
    text-align: center;
    font-size: 14px;
    color: var(--auth-text-gray);
    margin-top: 24px;
}

.auth-switch-link {
    color: var(--auth-brand-color);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s ease;
}

.auth-switch-link:hover {
    color: var(--auth-brand-hover);
    text-decoration: underline;
}

/* Footer Copyright */
.auth-footer-copyright {
    font-size: 12px;
    color: #94A3B8;
    text-align: center;
    margin-top: 40px;
}

/* Step Layout Animation Styles (jQuery toggles) */
.auth-step-container {
    transition: all 0.3s ease;
}

/* Subtle micro-animations for inputs */
.auth-form-control {
    transform: translateY(0);
}

.auth-input-group:focus-within .auth-form-control {
    transform: translateY(-1px);
}

/* Toast spacing adjustments */
#toastContainer {
    z-index: 10000 !important;
}