/* ============================================================
   auth.css — Modern, mobile-first auth screens (login, register,
   forgot/reset password, OTP/2FA, verify email). Self-contained:
   does not depend on Tailwind or main.css. Scoped under .auth-page.
   ============================================================ */

.auth-page {
    --a-accent: #6d5efc;
    --a-accent-2: #8b5cf6;
    --a-grad: linear-gradient(135deg, #6d5efc 0%, #8b5cf6 100%);
    --a-s1: #14171f;
    --a-s2: #1c2029;
    --a-border: rgba(255, 255, 255, 0.08);
    --a-border-strong: rgba(255, 255, 255, 0.14);
    --a-text: #eef0f5;
    --a-text-2: #c3cad6;
    --a-muted: #8b94a3;
    --a-ok: #22c55e;
    --a-bad: #ef4444;
    --a-warn: #f59e0b;
    --a-radius: 20px;
    --a-radius-sm: 12px;

    margin: 0;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    font-family: 'Inter', 'Noto Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--a-text);
    background:
        radial-gradient(1100px 540px at 50% -10%, rgba(109, 94, 252, 0.22), transparent 60%),
        radial-gradient(900px 600px at 100% 110%, rgba(139, 92, 246, 0.16), transparent 55%),
        #0b0d12;
    -webkit-font-smoothing: antialiased;
}
.auth-page * { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

[data-theme="light"].auth-page {
    --a-s1: #ffffff;
    --a-s2: #f4f6fa;
    --a-border: rgba(15, 23, 42, 0.10);
    --a-border-strong: rgba(15, 23, 42, 0.16);
    --a-text: #0f172a;
    --a-text-2: #334155;
    --a-muted: #64748b;
    background:
        radial-gradient(1100px 540px at 50% -10%, rgba(109, 94, 252, 0.16), transparent 60%),
        #eef1f6;
}

/* ---------------- Card ---------------- */
.auth-card {
    width: 100%;
    max-width: 420px;
    background: color-mix(in srgb, var(--a-s1) 92%, transparent);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border: 1px solid var(--a-border);
    border-radius: var(--a-radius);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    padding: 28px 24px;
    position: relative;
    z-index: 1;
}
@media (min-width: 480px) { .auth-card { padding: 34px 32px; } }

.auth-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-bottom: 8px;
    border-radius: 12px;
    color: var(--a-muted);
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease;
}
.auth-back:hover { background: var(--a-s2); color: var(--a-text); }

/* ---------------- Header / brand ---------------- */
.auth-head { text-align: center; margin-bottom: 24px; }
.auth-brand {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-weight: 700;
    font-size: 0.98rem;
    color: var(--a-text);
    margin-bottom: 18px;
}
.auth-brand .auth-brand-ico {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--a-grad);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 6px 16px rgba(109, 94, 252, 0.4);
}
.auth-brand .auth-brand-ico .material-symbols-outlined { font-size: 19px; }

.auth-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    border-radius: 18px;
    background: var(--a-grad);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 12px 28px rgba(109, 94, 252, 0.42);
}
.auth-icon .material-symbols-outlined { font-size: 30px; }

.auth-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.auth-subtitle {
    margin: 8px 0 0;
    font-size: 0.92rem;
    color: var(--a-muted);
    line-height: 1.5;
}

/* ---------------- Alerts ---------------- */
.auth-alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--a-radius-sm);
    font-size: 0.86rem;
    line-height: 1.5;
    margin-bottom: 18px;
    border: 1px solid transparent;
}
.auth-alert .material-symbols-outlined { font-size: 19px; flex-shrink: 0; margin-top: 1px; }
.auth-alert--error   { background: color-mix(in srgb, var(--a-bad) 12%, var(--a-s1)); border-color: color-mix(in srgb, var(--a-bad) 38%, transparent); color: #fca5a5; }
.auth-alert--success { background: color-mix(in srgb, var(--a-ok) 12%, var(--a-s1)); border-color: color-mix(in srgb, var(--a-ok) 38%, transparent); color: #86efac; }
.auth-alert--warn    { background: color-mix(in srgb, var(--a-warn) 14%, var(--a-s1)); border-color: color-mix(in srgb, var(--a-warn) 42%, transparent); color: #fcd34d; }

/* ---------------- Form ---------------- */
.auth-field { margin-bottom: 16px; }
.auth-label {
    display: block;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--a-text-2);
    margin-bottom: 7px;
}
.auth-label .req { color: var(--a-bad); }

.auth-input {
    width: 100%;
    min-height: 50px;
    padding: 13px 15px;
    background: var(--a-s2);
    border: 1px solid var(--a-border-strong);
    border-radius: var(--a-radius-sm);
    color: var(--a-text);
    font-size: 1rem;
    line-height: 1.2;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.auth-input::placeholder { color: var(--a-muted); }
.auth-input:focus {
    outline: none;
    border-color: var(--a-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--a-accent) 24%, transparent);
}

.auth-pass { position: relative; }
.auth-pass .auth-input { padding-right: 46px; }
.auth-eye {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--a-muted);
    cursor: pointer;
    border-radius: 8px;
}
.auth-eye:hover { color: var(--a-text); background: var(--a-border); }
.auth-eye .material-symbols-outlined { font-size: 20px; }

/* OTP / 2FA code */
.auth-otp {
    text-align: center;
    letter-spacing: 0.6em;
    font-size: 1.4rem;
    font-weight: 700;
    padding-right: 15px;
}

/* ---------------- Buttons ---------------- */
.auth-btn {
    width: 100%;
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 18px;
    border: none;
    border-radius: var(--a-radius-sm);
    background: var(--a-grad);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: filter 0.15s ease, transform 0.06s ease;
    box-shadow: 0 10px 24px rgba(109, 94, 252, 0.34);
}
.auth-btn:hover { filter: brightness(1.07); }
.auth-btn:active { transform: translateY(1px); }
.auth-btn .material-symbols-outlined { font-size: 20px; }

.auth-btn-secondary {
    width: 100%;
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 18px;
    border-radius: var(--a-radius-sm);
    background: var(--a-s2);
    border: 1px solid var(--a-border-strong);
    color: var(--a-text);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.auth-btn-secondary:hover { background: var(--a-border); }

/* ---------------- Divider ---------------- */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    color: var(--a-muted);
    font-size: 0.78rem;
    font-weight: 600;
}
.auth-divider::before,
.auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--a-border); }

/* ---------------- Links / footer ---------------- */
.auth-links { margin-top: 16px; font-size: 0.88rem; color: var(--a-muted); text-align: center; }
.auth-link {
    color: var(--a-accent);
    text-decoration: none;
    font-weight: 600;
}
.auth-link:hover { text-decoration: underline; }
.auth-links--left { text-align: left; }
.auth-row-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

.auth-foot {
    margin-top: 26px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.auth-foot-note {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    color: var(--a-muted);
}
.auth-foot-note .material-symbols-outlined { font-size: 14px; }

.auth-mt-sm { margin-top: 10px; }
.auth-mb-lg { margin-bottom: 22px; }