/* ═══════════════════════════════════════════════════════════════
   VEILBORN — AUTH PAGES
   Login · Register · Character Select · Error
   Standalone pages outside the game shell.
   Requires: tokens.css, base.css loaded first.
   ═══════════════════════════════════════════════════════════════ */


/* ── ENTRANCE ANIMATION ───────────────────────────────────── */

@keyframes auth-rise {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes sigil-shimmer {
    0%, 100% { text-shadow: 0 0 8px rgba(240,208,96,.6), 0 0 20px rgba(212,160,48,.3); }
    50%      { text-shadow: 0 0 14px rgba(240,208,96,.9), 0 0 32px rgba(212,160,48,.5); }
}


/* ── PAGE BODY ────────────────────────────────────────────── */

body.auth-body {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-6);
    overflow-y: auto;

    background-color: var(--c-void);
    background-image:
        radial-gradient(
            ellipse 60% 50% at 50% 45%,
            rgba(200,162,200,.035) 0%,
            transparent 70%
        ),
        radial-gradient(
            ellipse at 50% 50%,
            transparent 40%,
            rgba(0,0,0,.55) 100%
        );
}


/* ── AUTH CONTAINER (Glass Card) ──────────────────────────── */

.auth-container {
    width: 100%;
    max-width: 420px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--r-xl);
    box-shadow: var(--sh-xl);
    overflow: hidden;
    animation: auth-rise 600ms var(--ease-out) both;
}

.auth-container-wide {
    max-width: 760px;
    max-height: min(92vh, 980px);
    display: flex;
    flex-direction: column;
}


/* ── LOGO SECTION ─────────────────────────────────────────── */

.auth-logo {
    padding: var(--sp-6) var(--sp-6) var(--sp-5);
    text-align: center;
}

.auth-logo-rule {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    justify-content: center;
    margin-bottom: var(--sp-3);
}

.auth-logo-rule::before,
.auth-logo-rule::after {
    content: '';
    flex: 1;
    max-width: 64px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-gold-lo));
    opacity: .45;
}

.auth-logo-rule::after {
    background: linear-gradient(90deg, var(--c-gold-lo), transparent);
}

.auth-sigil {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--c-gold-lo);
    color: var(--c-gold-hi);
    font-size: var(--fs-xl);
    line-height: 1;
    flex-shrink: 0;
    text-shadow: 0 0 8px rgba(240,208,96,.6), 0 0 20px rgba(212,160,48,.3);
}

@media (prefers-reduced-motion: no-preference) {
    .auth-sigil {
        animation: sigil-shimmer 4s ease-in-out infinite;
    }
}

.auth-title {
    display: block;
    font-family: var(--f-display);
    font-size: var(--fs-2xl);
    font-weight: 900;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--c-gold);
    margin: var(--sp-2) 0 var(--sp-1);
}

.auth-subtitle {
    font-size: var(--fs-sm);
    color: var(--c-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--ls-wider);
}


/* ── BODY INNER (Content Wrapper) ─────────────────────────── */

.auth-body-inner {
    padding: var(--sp-5) var(--sp-6) var(--sp-6);
}


/* ── ERROR MESSAGE ────────────────────────────────────────── */

.auth-error {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    margin-bottom: var(--sp-5);
    background: rgba(224,64,64,.08);
    border: 1px solid rgba(224,64,64,.2);
    border-radius: var(--r-md);
    color: var(--c-error);
    font-size: var(--fs-sm);
    line-height: var(--lh-base);
}


/* ── FORM ─────────────────────────────────────────────────── */

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    display: block;
    margin-bottom: var(--sp-2);
    font-family: var(--f-display);
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
    color: var(--c-text-sub);
}

.form-group input {
    width: 100%;
    padding: var(--sp-3) var(--sp-4);
    background: var(--c-shadow);
    border: var(--b-default);
    border-radius: var(--r-md);
    color: var(--c-text);
    font-family: var(--f-body);
    font-size: var(--fs-base);
    outline: none;
    transition:
        border-color .2s var(--ease-out),
        box-shadow .2s var(--ease-out);
}

.form-group input:focus {
    border-color: var(--c-gold-lo);
    box-shadow:
        0 0 0 3px rgba(212,160,48,.1),
        0 0 12px rgba(212,160,48,.08);
}

.form-group input::placeholder {
    color: var(--c-text-dim);
}

.form-group small {
    display: block;
    margin-top: var(--sp-1);
    font-size: var(--fs-2xs);
    color: var(--c-text-muted);
}


/* ── PRIMARY BUTTON ───────────────────────────────────────── */

.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    width: 100%;
    margin-top: var(--sp-2);
    padding: var(--sp-3) var(--sp-5);
    cursor: pointer;

    background: linear-gradient(180deg, var(--c-gold-lo), var(--c-gold), var(--c-gold-hi));
    border: 1px solid rgba(240,208,96,.3);
    border-radius: var(--r-md);
    box-shadow: var(--sh-md);

    color: var(--c-void);
    font-family: var(--f-display);
    font-size: var(--fs-base);
    font-weight: 700;
    letter-spacing: var(--ls-wider);
    text-transform: uppercase;
    text-decoration: none;
    text-shadow: none;

    transition:
        box-shadow .25s var(--ease-out),
        transform .15s var(--ease-out);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--c-gold-hi);
    outline-offset: 2px;
}

.btn-primary:active {
    transform: scale(.98);
}

@media (hover: hover) and (pointer: fine) {
    .btn-primary:hover {
        background: linear-gradient(180deg, var(--c-gold), var(--c-gold-hi), var(--c-gold-hi));
        box-shadow: var(--sh-md), var(--sh-glow-gold);
    }
}


/* ── BOTTOM SWITCH LINK ───────────────────────────────────── */

.auth-switch {
    text-align: center;
    padding: var(--sp-4) var(--sp-6);
    font-size: var(--fs-sm);
    color: var(--c-text-muted);
    border-top: 1px solid rgba(200,162,200,.06);
    background: rgba(8,8,14,.35);
}

.auth-switch a {
    color: var(--c-gold);
    text-decoration: none;
    transition: color .15s var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
    .auth-switch a:hover {
        color: var(--c-gold-hi);
        text-decoration: underline;
        text-underline-offset: 3px;
    }
}


/* ═════════════════════════════════════════════════════════════
   CHARACTER SELECT
   ═════════════════════════════════════════════════════════════ */

.char-select-list {
    display: grid;
    gap: var(--sp-3);
    margin-bottom: var(--sp-5);
    max-height: min(48vh, 520px);
    overflow-y: auto;
    padding-right: var(--sp-1);
}

.char-select-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    padding: var(--sp-4);
    background: rgba(16,16,28,.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(200,162,200,.08);
    border-radius: var(--r-md);
    transition:
        border-color .2s var(--ease-out),
        background .2s var(--ease-out),
        box-shadow .2s var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
    .char-select-card:hover {
        border-color: rgba(212,160,48,.2);
        background: rgba(22,22,37,.6);
        box-shadow: var(--sh-sm);
    }
}

.char-select-card.active {
    border-color: rgba(212,160,48,.45);
    background: rgba(212,160,48,.04);
    box-shadow:
        inset 0 0 0 1px rgba(212,160,48,.08),
        var(--sh-glow-gold);
}

.char-select-name {
    font-family: var(--f-display);
    font-size: var(--fs-base);
    font-weight: 700;
    letter-spacing: var(--ls-wide);
    color: var(--c-gold-hi);
}

.char-select-sub {
    margin-top: var(--sp-1);
    font-size: var(--fs-sm);
    color: var(--c-text-muted);
}

.char-select-actions {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    flex-shrink: 0;
}


/* ── SMALL INLINE BUTTON ──────────────────────────────────── */

.btn-sm-inline {
    width: auto;
    margin: 0;
    padding: var(--sp-2) var(--sp-4);
    font-size: var(--fs-xs);
    letter-spacing: .08em;
    border-radius: var(--r-sm);
}


/* ── DANGER INLINE BUTTON ─────────────────────────────────── */

.btn-danger-inline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-4);
    cursor: pointer;

    background: linear-gradient(180deg, rgba(224,64,64,.18), rgba(224,64,64,.08));
    border: 1px solid rgba(224,64,64,.25);
    border-radius: var(--r-sm);

    color: rgba(255,180,180,.9);
    font-family: var(--f-display);
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;

    transition:
        background .2s var(--ease-out),
        border-color .2s var(--ease-out),
        color .15s var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
    .btn-danger-inline:hover {
        background: linear-gradient(180deg, rgba(224,64,64,.28), rgba(224,64,64,.14));
        border-color: rgba(224,64,64,.4);
        color: #ffdada;
    }
}

.btn-danger-inline:active {
    transform: scale(.97);
}


/* ── CHARACTER CREATE FORM ────────────────────────────────── */

.char-create-form {
    border-top: 1px solid rgba(212,160,48,.12);
    padding-top: var(--sp-4);
}


/* ═════════════════════════════════════════════════════════════
   RESPONSIVE
   ═════════════════════════════════════════════════════════════ */

@media (max-width: 480px) {
    body.auth-body {
        padding: var(--sp-4);
    }

    .auth-container {
        max-width: 100%;
        border-radius: var(--r-lg);
    }

    .auth-logo {
        padding: var(--sp-5) var(--sp-4) var(--sp-4);
    }

    .auth-body-inner {
        padding: var(--sp-4);
    }
}

@media (max-width: 400px) {
    .auth-title {
        font-size: var(--fs-xl);
        letter-spacing: .12em;
    }

    .auth-subtitle {
        font-size: var(--fs-xs);
    }

    .btn-primary {
        font-size: var(--fs-sm);
    }
}

@media (max-width: 720px) {
    .char-select-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .char-select-actions {
        width: 100%;
    }

    .char-select-actions form {
        flex: 1 1 auto;
    }

    .char-select-actions .btn-sm-inline,
    .char-select-actions .btn-danger-inline {
        width: 100%;
    }
}