/* =============================================================================
 * assets/css/login_minimalist.css
 * -----------------------------------------------------------------------------
 * Minimalist version of the login page. Loaded by login.php when the global
 * app_theme is 'minimalist'. Replaces the glass / blur look of login.css with
 * a calm, content-first layout: neutral palette, hairline borders, generous
 * whitespace, no gradients on the box, no animated water background.
 * ========================================================================== */

:root {
    --ml-ink:            #334155;   /* slate-700 — strongest text/accents */
    --ml-ink-strong:     #1e293b;   /* slate-800 — for rare emphasis */
    --ml-text:           #475569;   /* slate-600 — primary body text */
    --ml-muted:          #64748b;   /* slate-500 */
    --ml-faint:          #94a3b8;   /* slate-400 */
    --ml-surface:        #ffffff;
    --ml-surface-alt:    #f1f5f9;   /* slate-100 — page background */
    --ml-surface-sunken: #e2e8f0;   /* slate-200 */
    --ml-surface-soft:   #f8fafc;   /* slate-50 */
    --ml-border:         #e2e8f0;   /* slate-200 — hairline */
    --ml-border-strong:  #cbd5e1;   /* slate-300 */
    --ml-accent:         #3498db;
    --ml-accent-hover:   #2980b9;
    --ml-focus-ring:     rgba(71, 85, 105, 0.20);
    --ml-shadow-card:    0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --ml-radius-sm:      6px;
    --ml-radius-md:      10px;
    --ml-radius-lg:      14px;
    --ml-radius-pill:    999px;

    --ml-success:        #16a34a;
    --ml-warning:        #d97706;
    --ml-danger:         #dc2626;
    --ml-info:           #2563eb;
}

/* -----------------------------------------------------------------------------
   1. Base page
   -------------------------------------------------------------------------- */

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100%;
    height: auto;
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Tahoma, Geneva, Verdana, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--ml-text);
    background: var(--ml-surface-alt);
    overflow-x: hidden;
}

body.login-minimalist {
    /* Calm grey page with two barely-visible radial accents — same family as
       the rest of the Minimalist system (admin shell + tech_app). */
    background:
        radial-gradient(circle at 0% 0%, rgba(148, 163, 184, 0.14), transparent 32rem),
        radial-gradient(circle at 100% 0%, rgba(100, 116, 139, 0.12), transparent 30rem),
        radial-gradient(circle at 50% 100%, rgba(148, 163, 184, 0.10), transparent 34rem),
        var(--ml-surface-alt);
    background-attachment: fixed;
    letter-spacing: -0.005em;
}

/* The minimalist login replaces the animated water canvas with a flat page.
   Hide the #water-bg element if any leftover renders it. */
.login-minimalist #water-bg {
    display: none !important;
}

/* -----------------------------------------------------------------------------
   2. Page layout
   -------------------------------------------------------------------------- */

.login-minimalist .content-layer {
    position: relative;
    /* `100vh` is the classic fallback; `100dvh` follows the visible viewport on
       mobile browsers (so the box stays centered as Safari/Chrome toolbars
       collapse/expand). */
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    align-items: safe center;
    padding: 32px 16px;
    box-sizing: border-box;
}

/* -----------------------------------------------------------------------------
   3. Login card — flat surface, hairline border, restrained shadow
   -------------------------------------------------------------------------- */

.login-minimalist .login-box {
    position: relative;
    width: min(92vw, 420px);
    padding: 32px 28px 28px;
    background: var(--ml-surface);
    border: 1px solid var(--ml-border);
    border-radius: var(--ml-radius-lg);
    box-shadow: var(--ml-shadow-card);
    text-align: left;
    box-sizing: border-box;
    isolation: isolate;
    overflow: visible;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

/* Strip any decorative pseudo-elements inherited from the legacy stylesheet. */
.login-minimalist .login-box::before,
.login-minimalist .login-box::after {
    content: none !important;
}

/* -----------------------------------------------------------------------------
   4. Logo
   -------------------------------------------------------------------------- */

.login-minimalist .logo-area {
    margin: 4px 0 24px;
    display: flex;
    justify-content: center;
}

.login-minimalist .logo-img {
    max-height: 80px;
    max-width: 60%;
    object-fit: contain;
    filter: none;
}

.login-minimalist .logo-icon {
    font-size: 46px;
    color: var(--ml-ink);
    filter: none;
}

/* -----------------------------------------------------------------------------
   5. Portal selector — two equal hairline cards
   -------------------------------------------------------------------------- */

.login-minimalist .portal-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-bottom: 22px;
}

.login-minimalist .portal-option {
    position: relative;
    cursor: pointer;
}

.login-minimalist .portal-option input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.login-minimalist .portal-card {
    min-height: 58px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 4px;
    border: 1px solid var(--ml-border);
    border-radius: var(--ml-radius-md);
    background: var(--ml-surface);
    color: var(--ml-muted);
    text-align: center;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.login-minimalist .portal-card::before {
    content: none !important;
}

.login-minimalist .portal-card i {
    width: auto;
    height: auto;
    font-size: 18px;
    line-height: 1;
    transition: none;
    color: inherit;
}

.login-minimalist .portal-card span {
    display: block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1.1;
}

.login-minimalist .portal-option input:focus-visible + .portal-card {
    border-color: var(--ml-ink);
    box-shadow: 0 0 0 3px var(--ml-focus-ring);
}

.login-minimalist .portal-option input:checked + .portal-card {
    border-color: var(--ml-ink);
    background: var(--ml-surface-soft);
    color: var(--ml-ink);
    box-shadow: inset 0 0 0 1px var(--ml-ink);
}

.login-minimalist .portal-option input:checked + .portal-card i {
    transform: none;
    color: var(--ml-ink);
}

/* -----------------------------------------------------------------------------
   6. Form fields
   -------------------------------------------------------------------------- */

.login-minimalist .form-group {
    margin-bottom: 16px;
    text-align: left;
}

/* Visible field labels (we keep the visually-hidden rule from the markup so the
   hidden labels for screen readers continue to work; here we override only the
   ones meant to be visible). */
.login-minimalist label {
    display: block;
    margin-bottom: 6px;
    color: var(--ml-muted);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.login-minimalist .form-group > label {
    /* The legacy markup hides .form-group > label visually; preserve that. */
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.login-minimalist .form-group input[type="email"],
.login-minimalist .form-group input[type="password"],
.login-minimalist .form-group input[type="text"] {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--ml-border);
    border-radius: var(--ml-radius-md);
    background: var(--ml-surface);
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    color: var(--ml-ink-strong);
    font-size: 15px;
    font-family: inherit;
    line-height: 1.3;
    box-sizing: border-box;
    transition: border-color 120ms ease, box-shadow 120ms ease;
}

.login-minimalist .form-group input::placeholder {
    color: var(--ml-faint);
    opacity: 1;
}

.login-minimalist .form-group input[type="email"]:focus,
.login-minimalist .form-group input[type="password"]:focus,
.login-minimalist .form-group input[type="text"]:focus {
    border-color: var(--ml-ink);
    box-shadow: 0 0 0 3px var(--ml-focus-ring);
    background: var(--ml-surface);
    outline: none;
}

/* Show / hide password toggle */
.login-minimalist .password-wrapper {
    position: relative;
    display: block;
}

.login-minimalist .password-wrapper input {
    padding-right: 44px;
}

.login-minimalist .password-toggle {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border-radius: var(--ml-radius-sm);
    border: 1px solid transparent;
    background: transparent;
    color: var(--ml-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 13px;
    transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.login-minimalist .password-toggle:hover {
    color: var(--ml-ink);
    background: var(--ml-surface-soft);
    border-color: var(--ml-border);
}

.login-minimalist .password-toggle:focus-visible {
    outline: none;
    border-color: var(--ml-ink);
    box-shadow: 0 0 0 3px var(--ml-focus-ring);
}

/* -----------------------------------------------------------------------------
   7. Remember-me row
   -------------------------------------------------------------------------- */

.login-minimalist .remember-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: -2px 0 16px;
    font-size: 13px;
    color: var(--ml-muted);
    cursor: pointer;
    user-select: none;
}

.login-minimalist .remember-row input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--ml-ink);
    cursor: pointer;
}

.login-minimalist .remember-row span {
    line-height: 1;
}

/* -----------------------------------------------------------------------------
   8. Primary Sign-in button — slate-600 fill, never pure black
   -------------------------------------------------------------------------- */

.login-minimalist .btn-login {
    position: relative;
    width: 100%;
    margin-top: 4px;
    padding: 13px 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #ffffff;
    background: var(--ml-accent);
    border: 1px solid var(--ml-accent);
    border-radius: var(--ml-radius-md);
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    cursor: pointer;
    transition: background 120ms ease, border-color 120ms ease, transform 80ms ease;
    text-shadow: none;
}

.login-minimalist .btn-login::before,
.login-minimalist .btn-login::after {
    content: none !important;
}

.login-minimalist .btn-login:hover {
    background: var(--ml-accent-hover);
    border-color: var(--ml-accent-hover);
    transform: none;
    box-shadow: 0 0 0 3px var(--ml-focus-ring);
}

.login-minimalist .btn-login:active {
    transform: scale(0.99);
    box-shadow: none;
}

.login-minimalist .btn-login:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--ml-focus-ring);
}

.login-minimalist .btn-login .btn-spinner { display: none; }
.login-minimalist .btn-login.is-loading .btn-label { opacity: 0.7; }
.login-minimalist .btn-login.is-loading .btn-spinner { display: inline-flex; }

.login-minimalist .btn-login:disabled {
    cursor: wait;
    opacity: 0.7;
    transform: none !important;
    box-shadow: none !important;
}

/* -----------------------------------------------------------------------------
   9. Passkey actions
   -------------------------------------------------------------------------- */

.login-minimalist .passkey-actions {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--ml-border);
    display: grid;
    gap: 10px;
}

.login-minimalist .passkey-actions[hidden],
.login-minimalist .passkey-actions [hidden] {
    display: none !important;
}

.login-minimalist .btn-passkey {
    width: 100%;
    padding: 11px 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid var(--ml-border);
    border-radius: var(--ml-radius-md);
    background: var(--ml-surface);
    color: var(--ml-ink);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 120ms ease, border-color 120ms ease;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.login-minimalist .btn-passkey i { color: var(--ml-muted); }
.login-minimalist .btn-passkey:hover {
    background: var(--ml-surface-soft);
    border-color: var(--ml-border-strong);
    transform: none;
}
.login-minimalist .btn-passkey:focus-visible {
    outline: none;
    border-color: var(--ml-ink);
    box-shadow: 0 0 0 3px var(--ml-focus-ring);
}
.login-minimalist .btn-passkey:disabled {
    cursor: wait;
    opacity: 0.6;
    transform: none !important;
}

.login-minimalist .btn-passkey .btn-spinner { display: none; }
.login-minimalist .btn-passkey.is-loading .btn-spinner { display: inline-flex; }

.login-minimalist .passkey-setup {
    background: transparent;
    border: 0;
    padding: 4px 6px;
    color: var(--ml-muted);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--ml-radius-sm);
}

.login-minimalist .passkey-setup:hover {
    color: var(--ml-ink);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.login-minimalist .passkey-setup:disabled {
    color: var(--ml-faint);
    cursor: wait;
    text-decoration: none;
}

.login-minimalist .passkey-hint {
    color: var(--ml-muted);
    font-size: 11px;
    line-height: 1.4;
    text-align: center;
}

/* -----------------------------------------------------------------------------
   10. Flash messages — restrained tinted backgrounds + hairline border
   -------------------------------------------------------------------------- */

.login-minimalist .error-msg,
.login-minimalist .info-msg {
    display: none;
    padding: 11px 13px;
    border-radius: var(--ml-radius-md);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
    line-height: 1.4;
}

.login-minimalist .error-msg.is-visible,
.login-minimalist .info-msg.is-visible {
    display: flex;
    align-items: flex-start;
    gap: 9px;
}

.login-minimalist .error-msg i,
.login-minimalist .info-msg i {
    flex: 0 0 auto;
    margin-top: 1px;
}

.login-minimalist .error-msg {
    color: #991b1b;
    background: #fef2f2;
    border: 1px solid #fecaca;
}

.login-minimalist .info-msg {
    color: #1e40af;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
}

/* -----------------------------------------------------------------------------
   11. Footer links
   -------------------------------------------------------------------------- */

.login-minimalist .login-extras {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--ml-border);
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 6px 14px;
}

.login-minimalist .login-extras .forgot-link {
    color: var(--ml-muted);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    transition: color 120ms ease;
}

.login-minimalist .login-extras .forgot-link:hover {
    color: var(--ml-ink);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Subtle visual divider between the forgot/portal links on the same row. */
.login-minimalist .login-extras .forgot-link + .forgot-link::before {
    content: "·";
    color: var(--ml-faint);
    margin-right: 14px;
    pointer-events: none;
}

/* -----------------------------------------------------------------------------
   12. Reduced motion / mobile
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    .login-minimalist *,
    .login-minimalist *::before,
    .login-minimalist *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 480px) {
    .login-minimalist .content-layer {
        padding: 20px 14px;
        /* Keep the card visually centered on phones. `safe center` keeps it
           reachable from the top if the form ever overflows a very short
           viewport (e.g. landscape on tiny devices). */
        align-items: center;
        align-items: safe center;
    }

    .login-minimalist .login-box {
        width: min(94vw, 380px);
        padding: 24px 20px 22px;
        border-radius: 12px;
        margin: auto;
    }

    .login-minimalist .logo-img {
        max-height: 64px;
    }

    .login-minimalist .portal-card {
        min-height: 52px;
        padding: 6px 3px;
    }

    .login-minimalist .portal-card i { font-size: 16px; }
    .login-minimalist .portal-card span { font-size: 9px; }

    .login-minimalist .btn-login {
        padding: 14px 16px;
        font-size: 15px;
    }
}