/* =============================================================
   auth.css — Login, password reset, invite pages
   Neutral branding: matches email theme (edf2f7 bg, white card,
   slate buttons). DM Sans ties it to the rest of the system.
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --slate-900: #0f172a;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748b;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --white:     #ffffff;

    --accent:    #2563eb;
    --accent-dk: #1d4ed8;

    --green:     #16a34a;
    --green-lt:  #f0fdf4;
    --red:       #dc2626;
    --red-lt:    #fef2f2;
    --blue-lt:   #eff6ff;

    --radius-sm: 3px;
    --radius:    5px;
    --radius-md: 6px;

    --shadow:    0 1px 4px rgba(15,23,42,.10);
    --shadow-md: 0 4px 16px rgba(15,23,42,.10);

    --font: 'DM Sans', system-ui, sans-serif;
}

body {
    font-family: var(--font);
    font-size: 15px;
    background: #edf2f7;
    color: var(--slate-700);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
    line-height: 1.5;
}

/* Wrapper — flex column, fixed width, prevents body flex from shrinking card */
.auth-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 420px;
}

/* ---- Card ---- */

.auth-container,
.auth-card {
    background: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 40px;
    width: 100%;
}

/* ---- Logo / header ---- */

.auth-logo,
.auth-header {
    text-align: center;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--slate-200);
}

.auth-logo h1,
.auth-header h1 {
    font-size: 18px;
    font-weight: 600;
    color: var(--slate-900);
    margin-bottom: 4px;
}

.auth-header p {
    font-size: 14px;
    color: var(--slate-500);
}

/* Logo above card */
.auth-logo-img {
    display: block;
    height: 75px;
    width: auto;
    margin-bottom: 16px;
}

/* Event name above card */
.auth-event {
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--slate-500);
    letter-spacing: .04em;
    text-transform: uppercase;
    margin-bottom: 16px;
    width: 100%;
}

/* ---- Form elements ---- */

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--slate-700);
    margin-bottom: 6px;
}

.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="text"] {
    width: 100%;
    padding: 9px 11px;
    border: 1px solid var(--slate-300);
    border-radius: var(--radius);
    background: var(--slate-100);
    font-size: 14px;
    font-family: var(--font);
    color: var(--slate-900);
    transition: border-color .15s, box-shadow .15s, background .15s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.form-group input::placeholder {
    color: var(--slate-500);
}

/* Suppress browser autofill yellow */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px var(--slate-100) inset !important;
    -webkit-text-fill-color: var(--slate-900) !important;
}

/* Pre-filled read-only display (invite page) */
.pre-filled {
    width: 100%;
    padding: 9px 11px;
    background: var(--slate-100);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--slate-600);
}

/* Remember me */
.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.remember-me input[type="checkbox"] {
    width: 15px;
    height: 15px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--accent);
}

.remember-me span {
    font-size: 13.5px;
    color: var(--slate-600);
}

/* ---- Buttons ---- */

button[type="submit"],
.btn-primary {
    display: block;
    width: 100%;
    padding: 10px 16px;
    background: var(--slate-900);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font);
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background .12s;
}

button[type="submit"]:hover,
.btn-primary:hover {
    background: var(--slate-700);
}

.btn-secondary {
    display: block;
    width: 100%;
    padding: 10px 16px;
    margin-top: 10px;
    background: var(--white);
    color: var(--slate-700);
    border: 1px solid var(--slate-300);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font);
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background .12s, border-color .12s;
}

.btn-secondary:hover {
    background: var(--slate-100);
    border-color: var(--slate-300);
}

/* ---- Alerts ---- */

.error-message,
.success-message,
.info-message,
.alert,
.alert-danger {
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13.5px;
    margin-bottom: 16px;
    border-left: 3px solid transparent;
}

.error-message,
.alert-danger {
    background: var(--red-lt);
    border-left-color: var(--red);
    color: #7f1d1d;
}

.success-message {
    background: var(--green-lt);
    border-left-color: var(--green);
    color: #14532d;
}

.info-message {
    background: var(--blue-lt);
    border-left-color: var(--accent);
    color: #1e3a8a;
    line-height: 1.5;
}

/* ---- Footer link (forgot password etc) ---- */

.form-footer {
    margin-top: 16px;
    text-align: center;
}

.form-footer a {
    font-size: 13.5px;
    color: var(--accent);
    text-decoration: none;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* ---- Expired / info screens ---- */

.expired-msg {
    text-align: center;
    color: var(--slate-500);
    line-height: 1.6;
    font-size: 14px;
}

.expired-msg a {
    color: var(--accent);
}

/* ---- Responsive ---- */

@media (max-width: 480px) {
    body {
        align-items: flex-start;
        padding-top: 75px;
        min-height: 100svh;
    }

    .auth-container,
    .auth-card {
        padding: 28px 20px;
    }
}