/*
 * Module auth (B2B/B2C) — form + banner gần phong cách Admin login.
 * Brand giữ xanh #0b79b8 (không dùng tím Admin).
 */
:root {
    --mod-auth-primary: #0b79b8;
    --mod-auth-primary-hover: #086699;
    --mod-auth-sky: #0ea5e9;
    --mod-auth-blue: #3b82f6;
    --mod-auth-cyan: #06b6d4;
    --mod-auth-dark: #0f172a;
    --mod-auth-gray: #64748b;
    --mod-auth-light: #f8fafc;
}

/* Banner sáng hơn (tránh navy tối #043859) */
.mod-auth-banner {
    position: relative;
    overflow: hidden;
    background: linear-gradient(-45deg, #0ea5e9, #3b82f6, #0b79b8, #06b6d4);
    background-size: 300% 300%;
    animation: modAuthGradientBG 15s ease infinite;
}

@keyframes modAuthGradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.mod-auth-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.12) 100%);
}

.mod-auth-banner-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 2rem 2rem;
    width: 100%;
    max-width: 36rem;
    margin: 0 auto;
    box-sizing: border-box;
}

.mod-auth-banner-inner .mod-auth-kicker {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(224, 242, 254, 0.92);
    margin: 0 0 0.75rem;
}

.mod-auth-banner-inner .mod-auth-title {
    display: block;
    margin: 0 0 0.85rem;
    max-width: 100%;
}

.mod-auth-banner-inner h1 {
    font-weight: 700;
    font-size: clamp(1.35rem, 1.8vw, 1.85rem);
    letter-spacing: -0.4px;
    line-height: 1.25;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.12);
    color: #fff;
    margin: 0;
    white-space: nowrap;
}

.mod-auth-banner-inner .mod-auth-divider {
    width: 56px;
    height: 3px;
    background: rgba(255, 255, 255, 0.45);
    border-radius: 999px;
    margin: 0 auto 2.5rem;
}

.mod-auth-banner-inner .mod-auth-lines {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    display: grid;
    gap: 0.55rem;
    justify-items: start;
    width: max-content;
    max-width: 100%;
    text-align: left;
}

.mod-auth-banner-inner .mod-auth-lines li {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: clamp(0.86rem, 1vw, 0.95rem);
    font-weight: 500;
    line-height: 1.35;
    color: #f0f9ff;
    opacity: 0.95;
    white-space: nowrap;
}

.mod-auth-banner-inner .mod-auth-lines i {
    color: #a5f3fc;
    font-size: 0.92rem;
    flex-shrink: 0;
    line-height: 1;
}

/* Form side — watermark nhẹ như Admin */
.mod-auth-form-side {
    position: relative;
    background: #fff;
    overflow: hidden;
}

.mod-auth-watermarks {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.mod-auth-watermarks i {
    position: absolute;
    color: var(--mod-auth-primary);
    opacity: 0.035;
}

.mod-auth-watermarks .wm-a { top: -4%; left: -8%; font-size: 18rem; }
.mod-auth-watermarks .wm-b { bottom: 8%; right: -10%; font-size: 14rem; }

.mod-auth-form-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: min(100%, 36rem);
}

.mod-auth-hello {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--mod-auth-dark);
    letter-spacing: -0.5px;
    margin: 0 0 0.35rem;
}

.mod-auth-sub {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--mod-auth-gray);
    margin: 0 0 1.75rem;
}

.mod-auth-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--mod-auth-gray);
    margin-bottom: 6px;
}

.mod-auth-field {
    position: relative;
    margin-bottom: 1.2rem;
}

/* Ô input + icon — tách khỏi label để icon căn đúng giữa ô */
.mod-auth-control {
    position: relative;
    display: block;
    width: 100%;
}

.mod-auth-control .mod-auth-ico {
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 0;
    width: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    z-index: 2;
    pointer-events: none;
    transform: none;
}

.mod-auth-control:focus-within .mod-auth-ico {
    color: var(--mod-auth-primary);
}

.mod-auth-control input.mod-auth-input,
.mod-auth-control .mod-auth-input,
.mod-auth-control input[type="text"],
.mod-auth-control input[type="password"],
.mod-auth-control input[type="email"] {
    display: block;
    width: 100%;
    height: 50px;
    box-sizing: border-box;
    padding: 10px 16px 10px 46px !important;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.25;
    text-align: left !important;
    color: var(--mod-auth-dark);
    background: var(--mod-auth-light);
    transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
    outline: none;
}

.mod-auth-control .mod-auth-input-pass,
.mod-auth-control input.mod-auth-input-pass {
    padding-right: 48px !important;
}

.mod-auth-control input.mod-auth-input:focus,
.mod-auth-control .mod-auth-input:focus,
.mod-auth-control input[type="text"]:focus,
.mod-auth-control input[type="password"]:focus,
.mod-auth-control input[type="email"]:focus {
    background: #fff;
    border-color: var(--mod-auth-primary);
    box-shadow: 0 0 0 4px rgba(11, 121, 184, 0.12);
}

.mod-auth-control .mod-auth-eye {
    position: absolute;
    right: 12px;
    top: 0;
    bottom: 0;
    width: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    cursor: pointer;
    z-index: 2;
    padding: 0;
    transform: none;
}

.mod-auth-control .mod-auth-eye:hover {
    color: var(--mod-auth-primary);
}

/* Tương thích markup cũ (icon trực tiếp trong .mod-auth-field) */
.mod-auth-field > .mod-auth-ico {
    position: absolute;
    left: 14px;
    top: auto;
    bottom: 0;
    height: 50px;
    width: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    z-index: 2;
    pointer-events: none;
    transform: none;
}

.mod-auth-field > input.mod-auth-input,
.mod-auth-field > .mod-auth-input {
    display: block;
    width: 100%;
    height: 50px;
    box-sizing: border-box;
    padding: 10px 16px 10px 46px !important;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    text-align: left !important;
    color: var(--mod-auth-dark);
    background: var(--mod-auth-light);
    outline: none;
}

/* Nút chính — thắng Tailwind Preflight [type=submit] { background-image:none } */
.mod-auth-btn,
a.mod-auth-btn,
button.mod-auth-btn,
input[type="submit"].mod-auth-btn,
input[type="button"].mod-auth-btn {
    width: 100%;
    height: 50px;
    min-height: 50px;
    box-sizing: border-box;
    margin: 0;
    padding: 0 16px;
    border: none;
    border-radius: 12px;
    background-color: var(--mod-auth-primary);
    background-image: linear-gradient(135deg, var(--mod-auth-primary), var(--mod-auth-sky));
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.4px;
    line-height: 50px;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 4px 15px -3px rgba(11, 121, 184, 0.4);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-appearance: none;
    appearance: none;
}

/* input[type=submit] là replaced element — KHÔNG dùng flex (Chrome làm nút mỏng như khe) */
input[type="submit"].mod-auth-btn,
input[type="button"].mod-auth-btn {
    display: block;
    line-height: 48px;
}

a.mod-auth-btn,
button.mod-auth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.mod-auth-btn:hover,
.mod-auth-btn:focus,
.mod-auth-btn:focus-visible,
.mod-auth-btn:active,
a.mod-auth-btn:hover,
a.mod-auth-btn:focus,
a.mod-auth-btn:active,
button.mod-auth-btn:hover,
button.mod-auth-btn:focus,
button.mod-auth-btn:active,
input[type="submit"].mod-auth-btn:hover,
input[type="submit"].mod-auth-btn:focus,
input[type="submit"].mod-auth-btn:focus-visible,
input[type="submit"].mod-auth-btn:active,
input[type="button"].mod-auth-btn:hover,
input[type="button"].mod-auth-btn:focus,
input[type="button"].mod-auth-btn:active {
    background-color: var(--mod-auth-primary);
    background-image: linear-gradient(135deg, var(--mod-auth-primary), var(--mod-auth-sky));
    color: #fff;
    border: none;
    outline: none;
    text-decoration: none;
}

.mod-auth-btn:hover,
a.mod-auth-btn:hover,
button.mod-auth-btn:hover,
input[type="submit"].mod-auth-btn:hover,
input[type="button"].mod-auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(11, 121, 184, 0.45);
}

.mod-auth-btn:active,
a.mod-auth-btn:active,
button.mod-auth-btn:active,
input[type="submit"].mod-auth-btn:active,
input[type="button"].mod-auth-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px -3px rgba(11, 121, 184, 0.35);
}

.mod-auth-btn.btn-submit-disabled,
.mod-auth-btn:disabled,
input[type="submit"].mod-auth-btn:disabled,
input[type="button"].mod-auth-btn:disabled {
    background-color: #cbd5e1;
    background-image: none;
    color: #f8fafc;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
    transform: none;
}

.mod-auth-btn-google,
a.mod-auth-btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    height: 50px;
    min-height: 50px;
    box-sizing: border-box;
    padding: 0 16px;
    background-color: #fff;
    background-image: none;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-weight: 600;
    color: var(--mod-auth-dark);
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.25s, box-shadow 0.25s, background-color 0.25s, border-color 0.25s;
    -webkit-appearance: none;
    appearance: none;
}

.mod-auth-btn-google:hover,
.mod-auth-btn-google:focus,
.mod-auth-btn-google:focus-visible,
.mod-auth-btn-google:active,
a.mod-auth-btn-google:hover,
a.mod-auth-btn-google:focus,
a.mod-auth-btn-google:active {
    background-color: var(--mod-auth-light);
    background-image: none;
    border-color: #cbd5e1;
    color: var(--mod-auth-dark);
    outline: none;
    text-decoration: none;
}

.mod-auth-btn-google:hover,
a.mod-auth-btn-google:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px -3px rgba(0, 0, 0, 0.06);
}

.mod-auth-sep {
    display: flex;
    align-items: center;
    text-align: center;
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: 600;
    margin: 1.25rem 0;
}

.mod-auth-sep::before,
.mod-auth-sep::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #e2e8f0;
}

.mod-auth-sep span {
    padding: 0 1rem;
}

@media (max-width: 1100px) {
    .mod-auth-banner-inner h1,
    .mod-auth-banner-inner .mod-auth-lines li {
        white-space: normal;
    }
    .mod-auth-banner-inner h1 {
        font-size: 1.2rem;
    }
    .mod-auth-banner-inner .mod-auth-lines li {
        font-size: 0.86rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .mod-auth-banner { animation: none !important; }
    .mod-auth-btn:hover,
    .mod-auth-btn-google:hover { transform: none; }
}