/* login.css — หน้า login standalone lightweight (ไม่โหลด Bootstrap เต็มชุด — first-load เร็ว)
   จุด customize: สีใน :root + ฟอนต์ (เปิด comment @font-face เมื่อมีไฟล์) */

/* ===== ฟอนต์ default: Chulabhorn Likit (ชุดเดียวกับ app-shell.css) */
@font-face {
    font-family: "ChulabhornLikit";
    src: url("../fonts/chulabhornlikittext-regular.woff2") format("woff2");
    font-weight: 400;
    font-display: swap;
}
@font-face {
    font-family: "ChulabhornLikit";
    src: url("../fonts/chulabhornlikittext-bold.woff2") format("woff2");
    font-weight: 700;
    font-display: swap;
}

:root {
    --login-bg: #3c0243;         /* พื้นหลังทั้งจอ — โทนเข้มของสีหลักโปรเจกต์ */
    --login-card-bg: #eceae3;    /* การ์ด login — โทนเดียวกับ --app-body-bg */
    --login-violet: #d21897;       /* ปุ่ม + focus ring */
    --form-text: #1a1a1a;
    --form-muted: #5a5a5a;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: "ChulabhornLikit", system-ui, "Segoe UI", sans-serif;
    background: var(--login-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--login-card-bg);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    padding: 32px 28px;
    color: var(--form-text);
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}
.login-brand img.logo { width: 56px; height: auto; }
.login-brand .title { font-size: 18px; font-weight: 700; line-height: 1.25; }
.login-brand .title small { display: block; font-size: 12px; font-weight: 400; color: var(--form-muted); }

.form-group { margin-bottom: 16px; }
label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--form-muted); }

.input-wrap { position: relative; }

.input-group {
    display: flex;
    width: 100%;
    flex-wrap: nowrap;
}

.input-group .form-control {
    flex: 1 1 auto;
    min-width: 0;
    width: 1%;
    height: 44px;
    padding: 0 12px;
    border-radius: 8px 0 0 8px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-right: 0;
    background: #fff;
    color: var(--form-text);
    font-size: 14px;
    font-family: inherit;
}

.input-group-text {
    display: flex;
    align-items: center;
    height: 44px;
    padding: 0 10px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-left: 0;
    border-radius: 0 8px 8px 0;
    background: #ecebe4;
    color: var(--form-muted);
    font-size: 13px;
    white-space: nowrap;
}

.input-group:focus-within .form-control,
.input-group:focus-within .input-group-text {
    border-color: var(--login-violet);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
}
.form-check-input {
    flex: 0 0 auto;
    width: 16px;
    height: 16px;
    margin: 0;
}
.form-check-label {
    font-size: 13px;
    color: var(--form-text);
    white-space: nowrap;
}

.form-hint {
    margin-top: 8px;
    font-size: 12px;
    color: var(--form-muted);
    text-align: center;
}

input[type="email"], input[type="password"], input[type="text"] {
    width: 100%;
    height: 44px;
    padding: 0 12px;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    background: #fff;
    color: var(--form-text);
    font-size: 14px;
    font-family: inherit;
}
input:focus { outline: none; border-color: var(--login-violet); }

.btn-eye {
    position: absolute;
    right: 6px;
    top: 6px;
    height: 32px;
    width: 32px;
    border: none;
    background: transparent;
    color: var(--form-muted);
    cursor: pointer;
}

.btn-primary {
    width: 100%;
    height: 44px;
    border: none;
    border-radius: 8px;
    background: var(--login-violet);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
}
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary:hover:not(:disabled) { background: #d21897; }

.btn-google {
    width: 100%;
    height: 44px;
    margin-top: 10px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    background: #fff;
    color: var(--form-text);
    font-size: 14px;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    text-decoration: none;
}
.btn-google:hover { background: #f5f5f5; }

/* ปุ่ม dev auto-login — เฉพาะ localhost + .env DEV_AUTO_LOGIN=true (ดู DevAutoLogin.cs) */
.btn-dev {
    width: 100%;
    height: 40px;
    border: 1px dashed rgba(59, 125, 221, 0.5);
    border-radius: 8px;
    background: rgba(59, 125, 221, 0.08);
    color: var(--login-violet);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
}
.btn-dev:hover { background: rgba(59, 125, 221, 0.15); }

.error-box {
    background: #fce8e7;
    border: 1px solid rgba(230, 86, 79, 0.35);
    color: #5a1612;
    font-size: 13px;
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 14px;
}

.success-box {
    background: #e6f5ec;
    border: 1px solid rgba(45, 150, 90, 0.35);
    color: #0f4d30;
    font-size: 13px;
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 14px;
}

.hint-list {
    margin: 6px 0 0;
    padding-left: 18px;
}
.hint-list li {
    margin-bottom: 2px;
}

.pw-counter {
    font-size: 12px;
    color: var(--form-muted);
    margin-top: 6px;
    display: block;
}
.pw-counter.ok {
    color: #145c38;
}

.login-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 11px;
    color: var(--form-muted);
}

/* overlay busy บนการ์ด login/otp ระหว่างรอ htmx request */
#login-card-body,
#verify-otp-card-body,
#forgot-card-body,
#reset-card-body {
    position: relative;
}

.login-busy {
    display: none;
    position: absolute;
    inset: 0;
    align-items: center;
    justify-content: center;
    background: rgba(236, 234, 227, 0.92);
    color: var(--login-violet);
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    z-index: 2;
    pointer-events: all;
}

#login-card-body.htmx-request .login-busy,
#verify-otp-card-body.htmx-request .login-busy,
#forgot-card-body.htmx-request .login-busy,
#reset-card-body.htmx-request .login-busy {
    display: flex;
}

#login-card-body.htmx-request .error-box,
#verify-otp-card-body.htmx-request .error-box,
#forgot-card-body.htmx-request .error-box,
#reset-card-body.htmx-request .error-box {
    display: none;
}

/* spinner บนปุ่มระหว่างรอ htmx */
.htmx-request .btn-primary-label { display: none; }
.htmx-request .btn-primary-spinner { display: inline !important; text-align: center; }
.btn-primary-spinner { display: none; }

.link-muted {
    font-size: 13px;
    color: var(--form-muted);
    text-decoration: none;
}
.link-muted:hover {
    color: var(--login-violet);
    text-decoration: underline;
}
.link-row {
    margin-top: 10px;
    text-align: center;
}