/* =========================================================
   TeenNovel — auth.css  (Login + Register)
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =========================================================
   BACKGROUND
   ========================================================= */
.auth-page {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

.auth-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-color: #e8d5f5;

    /* Nền tím hoa lãng mạn — mô phỏng background ảnh gốc */
    background-image:
        /* Lớp sáng trung tâm */
        radial-gradient(ellipse 75% 55% at 50% 50%, rgba(255,255,255,.95) 0%, rgba(255,255,255,.5) 40%, transparent 70%),
        /* Góc dưới trái — hoa tím đậm */
        radial-gradient(ellipse 45% 50% at 5% 90%,  #b07fd4 0%, #c99adf 30%, transparent 65%),
        /* Góc dưới phải — toà nhà tím */
        radial-gradient(ellipse 40% 50% at 95% 88%, #b07fd4 0%, #c99adf 25%, transparent 60%),
        /* Góc trên trái — nhạt hơn */
        radial-gradient(ellipse 30% 35% at 3%  5%,  #d0a8ee 0%, transparent 55%),
        /* Góc trên phải */
        radial-gradient(ellipse 30% 35% at 97% 5%,  #d0a8ee 0%, transparent 55%),
        /* Gợn giữa dưới */
        radial-gradient(ellipse 60% 25% at 50% 95%, #cba8e8 0%, transparent 60%);
}

/* Bướm và sparkle trang trí */
.auth-bg::before {
    content: '✦  ✦    ✦';
    position: absolute;
    top: 12%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    color: rgba(120, 60, 170, .35);
    letter-spacing: 32px;
    white-space: nowrap;
}
.auth-bg::after {
    content: '✦    ✦  ✦';
    position: absolute;
    bottom: 14%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: rgba(120, 60, 170, .25);
    letter-spacing: 40px;
    white-space: nowrap;
}

/* =========================================================
   CARD
   ========================================================= */
.auth-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 360px;
    background: rgba(248, 243, 255, .87);
    border: 1px solid rgba(180, 130, 220, .28);
    border-radius: 20px;
    padding: 32px 28px 28px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

/* =========================================================
   LOGO
   ========================================================= */
.auth-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-bottom: 5px;
}
.auth-logo img {
    width: 72px;
    height: 72px;
    object-fit: contain;
}
.auth-logo-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: .01em;
}

/* =========================================================
   TITLE
   ========================================================= */
.auth-title {
    font-size: 16px;
    font-weight: 600;
    color: #3b0764;
    text-align: center;
    margin: 0 0 20px;
}

/* =========================================================
   ALERT
   ========================================================= */
.auth-alert {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 9px;
    font-size: 13px;
    margin-bottom: 16px;
}
.auth-alert--error {
    background: #fdf2f8;
    border: 1px solid #f0abdb;
    color: #86198f;
}
.auth-icon-error {
    font-style: normal;
    font-weight: 700;
    font-size: 12px;
    flex-shrink: 0;
}

/* =========================================================
   FIELDS
   ========================================================= */
.auth-field {
    margin-bottom: 13px;
}
.auth-field label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: #6d28d9;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 5px;
}

/* Wrapper cho input + icon mắt */
.auth-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.auth-input-wrap input {
    padding-right: 38px !important;
}

/* Input base */
.auth-field input {
    width: 100%;
    padding: 9px 13px;
    font-size: 13px;
    border: 1px solid #ddd6fe;
    border-radius: 9px;
    background: rgba(255, 255, 255, .95);
    color: #1e1b4b;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.auth-field input:focus {
    border-color: #7c3aed;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, .12);
}
.auth-field input::placeholder { color: #c4b5fd; }

/* Input error state */
.auth-field.has-error input {
    border-color: #e879a0;
    box-shadow: 0 0 0 3px rgba(232, 121, 160, .12);
}

/* Error message */
.auth-error-msg {
    display: block;
    font-size: 11px;
    color: #be185d;
    margin-top: 4px;
    min-height: 16px;
    font-weight: 500;
}

/* Nút hiện/ẩn mật khẩu */
.auth-eye {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-size: 14px;
    color: #a78bfa;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    transition: color .12s;
}
.auth-eye:hover { color: #7c3aed; }

/* =========================================================
   QUÊN MẬT KHẨU
   ========================================================= */
.auth-forgot {
    text-align: right;
    margin-top: -6px;
    margin-bottom: 16px;
}
.auth-forgot a {
    font-size: 12px;
    color: #7c3aed;
    text-decoration: none;
    font-weight: 500;
}
.auth-forgot a:hover { text-decoration: underline; }

/* =========================================================
   NÚT CHÍNH
   ========================================================= */
.auth-btn-main {
    width: 100%;
    padding: 11px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    color: #fff;
    background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
    letter-spacing: .02em;
    margin-bottom: 12px;
    transition: opacity .15s, transform .1s;
}
.auth-btn-main:hover  { opacity: .88; }
.auth-btn-main:active { transform: scale(.98); }
.auth-btn-main:disabled {
    opacity: .6;
    cursor: not-allowed;
}

/* =========================================================
   DIVIDER
   ========================================================= */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e9d5ff;
}
.auth-divider span {
    font-size: 11px;
    color: #a78bfa;
    white-space: nowrap;
    font-weight: 500;
}

/* =========================================================
   NÚT GOOGLE
   ========================================================= */
.auth-btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    width: 100%;
    padding: 10px;
    border: 1px solid #bfb8cc;
    border-radius: 10px;
    background: #ebe8f0;
    font-size: 13px;
    font-weight: 500;
    color: #3b0764;
    text-decoration: none;
    cursor: pointer;
    margin-bottom: 18px;
    transition: background .15s, box-shadow .15s;
    box-shadow:
        0 2px 6px rgba(100, 60, 160, .18),
        0 1px 2px rgba(100, 60, 160, .12);
}
.auth-btn-google:hover {
    background: #ddd8e8;
    color: #3b0764;
    box-shadow:
        0 4px 12px rgba(100, 60, 160, .22),
        0 1px 3px rgba(100, 60, 160, .14);
}
.auth-btn-google:active { transform: scale(.98); }

.auth-google-icon {
    width: 17px;
    height: 17px;
    flex-shrink: 0;
}

/* =========================================================
   SWITCH LINK
   ========================================================= */
.auth-switch {
    text-align: center;
    font-size: 13px;
    color: #7c3aed;
    margin: 0;
}
.auth-switch a {
    color: #a855f7;
    font-weight: 600;
    text-decoration: none;
}
.auth-switch a:hover { text-decoration: underline; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 400px) {
    .auth-card  { padding: 24px 18px 22px; }
    .auth-logo img { width: 60px; height: 60px; }
}