/* ============================================
   Auth Pages (Login, Forgot Password, Reset)
   ============================================ */

/* Reset cơ bản cho trang auth */
html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

/* ------------------------------------------
   Ảnh nền phủ toàn màn hình
------------------------------------------ */
.auth-bg {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    background-image: url('/assets/images/admin.auth.bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

/* Lớp phủ màu đen 80% */
.auth-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.80);
}

/* ------------------------------------------
   Overlay container — card nổi trên nền
------------------------------------------ */
.auth-overlay {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 100vh;
    padding: 24px;
}

/* ------------------------------------------
   Login Card
   max-width: 420px * 1.2 = 504px
------------------------------------------ */
.login-card {
    background: #0D1B3E;
    border: none;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 8px 24px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    width: 100%;
    max-width: 504px;
}

.login-header {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    padding: 38px 29px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.login-logo {
    display: block;
    height: 56px;
    width: auto;
    margin: 0 auto 12px;
    object-fit: contain;
}

.login-title {
    margin: 0 0 4px 0;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.login-header .brand-sub {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1rem;
    font-weight: 600;
    opacity: 0.75;
    letter-spacing: 1.5px;
}

.login-body {
    padding: 38px 29px;
}

/* ------------------------------------------
   Forgot Password Card
   max-width: 420px * 1.2 = 504px
------------------------------------------ */
.auth-card {
    background: #0D1B3E;
    border: none;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 8px 24px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    width: 100%;
    max-width: 504px;
}

.auth-card-header {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    padding: 34px 29px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.auth-card-header .bi {
    font-size: 3rem;
    margin-bottom: 10px;
    display: block;
    color: #4d7cfe;
}

.auth-card-header h5 {
    margin: 0 0 6px 0;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
}

.auth-card-header small {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    opacity: 0.65;
    font-size: 0.8rem;
}

.auth-card-body {
    padding: 34px 29px;
}

/* ------------------------------------------
   Form elements — dark theme
------------------------------------------ */
.auth-page .form-label {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 500;
}

.auth-page .input-group-text {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
}

.auth-page .form-control {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.auth-page .form-control::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.auth-page .form-control:focus {
    background: rgba(255, 255, 255, 0.10);
    border-color: #4d7cfe;
    box-shadow: 0 0 0 0.2rem rgba(77, 124, 254, 0.25);
    color: #fff;
}

.auth-page .form-check-label {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
}

.auth-page .text-muted {
    color: rgba(255, 255, 255, 0.4) !important;
    font-size: 0.8rem;
}

/* ------------------------------------------
   Buttons
------------------------------------------ */
.btn-auth {
    background: #1A3FBF;
    border: none;
    padding: 13px;
    font-weight: 600;
    font-size: 1rem;
    color: #fff;
    transition: all 0.3s;
    width: 100%;
    border-radius: 6px;
}

.btn-auth:hover {
    background: #2d5dd8;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(26, 63, 191, 0.5);
    color: #fff;
}

/* ------------------------------------------
   Links
------------------------------------------ */
.auth-link {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.2s;
}

.auth-link:hover {
    color: #4d7cfe;
}

/* ------------------------------------------
   Reset Password Card (dùng chung .auth-card)
   Không cần thêm CSS riêng — dùng lại
   .auth-card, .auth-card-header, .auth-card-body,
   .btn-auth, .auth-link đã định nghĩa ở trên
------------------------------------------ */