/* ═══════════════════════════════════════════════════════════
   Ai Apex — Auth Pages (Login / Register)
   ═══════════════════════════════════════════════════════════ */

.auth-body {
    min-height: 100vh;
    background: var(--color-bg);
    display: flex;
}

/* ─── LAYOUT ──────────────────────────────────────────────── */
.auth-layout {
    display: grid;
    grid-template-columns: 440px 1fr;
    min-height: 100vh;
    width: 100%;
}

/* ─── ASIDE ───────────────────────────────────────────────── */
.auth-aside {
    background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, #0EA5E9 100%);
    position: relative;
    overflow: hidden;
}

.auth-aside__inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    padding: var(--space-10) var(--space-10) var(--space-12);
    height: 100%;
    min-height: 100vh;
}

.auth-aside__logo { margin-bottom: var(--space-16); }
.auth-aside__logo .logo__ai   { color: rgba(255,255,255,.6); }
.auth-aside__logo .logo__apex { color: #fff; }

.auth-aside__content { flex: 1; }

.auth-aside__title {
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
}

.auth-aside__desc {
    font-size: 16px;
    color: rgba(255,255,255,.75);
    line-height: 1.6;
    margin-bottom: var(--space-10);
    max-width: 320px;
}

/* Promo stats (register) */
.auth-promo {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    margin-bottom: var(--space-10);
    padding: var(--space-5) var(--space-6);
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: var(--radius-lg);
}
.auth-promo__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 1;
    text-align: center;
}
.auth-promo__num {
    font-size: 26px;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}
.auth-promo__text {
    font-size: 11px;
    color: rgba(255,255,255,.7);
    line-height: 1.4;
}
.auth-promo__divider {
    width: 1px;
    height: 36px;
    background: rgba(255,255,255,.2);
    flex-shrink: 0;
}

/* Feature list */
.auth-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}
.auth-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 14px;
    color: rgba(255,255,255,.9);
}
.auth-feature__icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
}

/* Decorative orbs */
.auth-aside__bg-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.25;
    filter: blur(60px);
}
.auth-aside__bg-orb--1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #fff, transparent 70%);
    bottom: -100px;
    right: -100px;
}
.auth-aside__bg-orb--2 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, #CFFAFE, transparent 70%);
    top: 60px;
    right: 20px;
}

/* ─── MAIN ────────────────────────────────────────────────── */
.auth-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-8);
    background: var(--color-bg-secondary);
}

.auth-card {
    width: 100%;
    max-width: 460px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10) var(--space-10);
}

.auth-card__head {
    margin-bottom: var(--space-8);
}
.auth-card__title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-2);
}
.auth-card__subtitle {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.auth-main__footer {
    margin-top: var(--space-6);
    font-size: 13px;
    color: var(--color-text-muted);
}

/* ─── ALERT ──────────────────────────────────────────────── */
.auth-alert {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 12px var(--space-4);
    background: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: var(--radius-md);
    font-size: 14px;
    color: #DC2626;
    margin-bottom: var(--space-2);
}
.auth-alert svg { flex-shrink: 0; color: #DC2626; }

/* ─── FORM ────────────────────────────────────────────────── */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.auth-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.auth-form__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.auth-form__label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.auth-form__label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

.auth-form__forgot {
    font-size: 12px;
}

.auth-form__input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.auth-form__input-icon {
    position: absolute;
    left: 12px;
    color: var(--color-text-muted);
    pointer-events: none;
    flex-shrink: 0;
}

.auth-form__input {
    width: 100%;
    padding: 11px 14px 11px 38px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
}
.auth-form__input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.auth-form__input::placeholder { color: var(--color-text-muted); }
.auth-form__input.is-error { border-color: var(--color-error); }
.auth-form__input.is-success { border-color: var(--color-success); }

.auth-form__toggle-pwd {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    padding: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: color 0.15s;
}
.auth-form__toggle-pwd:hover { color: var(--color-text); }

.auth-form__group--checkbox { margin-top: var(--space-1); }

/* Password strength */
.auth-password-strength {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: 6px;
    min-height: 18px;
}
.auth-password-strength__bars {
    display: flex;
    gap: 4px;
}
.auth-strength-bar {
    width: 36px;
    height: 4px;
    border-radius: var(--radius-full);
    background: var(--color-border);
    transition: background 0.2s;
}
.auth-strength-bar.active-1 { background: var(--color-error); }
.auth-strength-bar.active-2 { background: var(--color-warning); }
.auth-strength-bar.active-3 { background: #84CC16; }
.auth-strength-bar.active-4 { background: var(--color-success); }

.auth-password-strength__label {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* Checkbox */
.auth-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
}
.auth-checkbox__input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.auth-checkbox__box {
    width: 18px;
    height: 18px;
    border-radius: 5px;
    border: 1.5px solid var(--color-border);
    background: var(--color-bg);
    flex-shrink: 0;
    margin-top: 1px;
    transition: border-color 0.15s, background 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.auth-checkbox__input:checked + .auth-checkbox__box {
    background: var(--color-primary);
    border-color: var(--color-primary);
}
.auth-checkbox__input:checked + .auth-checkbox__box::after {
    content: '';
    width: 10px;
    height: 6px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg) translateY(-1px);
    display: block;
}
.auth-checkbox__label {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Submit button */
.auth-form__submit {
    width: 100%;
    justify-content: center;
    margin-top: var(--space-2);
    padding: 13px;
    font-size: 15px;
}

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    color: var(--color-text-muted);
    font-size: 12px;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

/* Social button */
.auth-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: 11px var(--space-5);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color 0.15s, background 0.15s;
    text-decoration: none;
}
.auth-social-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
}

/* Link */
.auth-link {
    color: var(--color-primary);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.15s;
}
.auth-link:hover { color: var(--color-primary-dark); text-decoration: underline; }

/* Error message */
.auth-form__error {
    font-size: 12px;
    color: var(--color-error);
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 2px;
}

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 900px) {
    .auth-layout { grid-template-columns: 1fr; }

    .auth-aside {
        min-height: auto;
        padding: var(--space-8) var(--space-6);
    }
    .auth-aside__inner {
        min-height: auto;
        padding: var(--space-6);
    }
    .auth-aside__logo { margin-bottom: var(--space-6); }
    .auth-aside__title { font-size: 24px; }
    .auth-aside__content { flex: none; }
    .auth-features { display: none; }
    .auth-aside__bg-orb { display: none; }
}

@media (max-width: 520px) {
    .auth-main { padding: var(--space-6) var(--space-4); }
    .auth-card { padding: var(--space-6); border-radius: var(--radius-lg); }
    .auth-form__row { grid-template-columns: 1fr; }
}