/* =====================================================================
   LivAsta Auth — base styles (LIGHT / modern theme)
   White card, brand-teal accents. Load FIRST. No Tailwind dependency.
   ===================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@500;600;700;800&display=swap');

:root {
    --login-primary: #007A7A;
    --login-primary-dark: #00635f;
    --login-accent: #00A884;
    --login-ink: #0f172a;       /* headings */
    --login-text: #334155;      /* body */
    --login-muted: #64748b;
    --login-faint: #94a3b8;
    --login-surface: #ffffff;   /* card */
    --login-field: #f1f5f9;     /* input bg */
    --login-border: #e6eaf0;
    --login-border-strong: #cbd5e1;
    --login-ring: rgba(0, 122, 122, 0.16);
    --login-radius: clamp(20px, 4vw, 28px);
    --login-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ---------- Overlay (soft slate scrim, not black) ---------- */
.login-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: clamp(12px, 4vw, 28px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    background:
        radial-gradient(900px 500px at 50% -10%, rgba(0, 168, 132, 0.18), transparent 60%),
        rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.login-modal-overlay.active { display: flex; }

/* ---------- Card (white) ---------- */
.login-card {
    position: relative;
    width: min(440px, 100%);
    max-height: min(94dvh, 880px);
    margin: auto;
    background: var(--login-surface);
    border: 1px solid var(--login-border);
    border-radius: var(--login-radius);
    color: var(--login-text);
    overflow: hidden;
    box-shadow: 0 30px 70px -25px rgba(15, 23, 42, 0.35), 0 8px 24px -12px rgba(15, 23, 42, 0.12);
}

/* ---------- Header (white with a soft teal glow behind the logo) ---------- */
.login-header {
    position: relative;
    text-align: center;
    padding: clamp(34px, 6vw, 48px) clamp(22px, 5vw, 36px) 0;
    margin-bottom: clamp(16px, 3vw, 24px);
}

.login-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 240px;
    height: 130px;
    background: radial-gradient(circle at 50% 30%, rgba(0, 168, 132, 0.20), transparent 70%);
    pointer-events: none;
}

.login-logo {
    position: relative;
    height: clamp(46px, 9vw, 58px);
    width: auto;
    margin: 0 auto 16px;
    filter: drop-shadow(0 6px 14px rgba(0, 122, 122, 0.22));
}

.login-title {
    position: relative;
    font-family: 'Outfit', system-ui, -apple-system, sans-serif;
    font-size: clamp(1.5rem, 5.5vw, 1.95rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: var(--login-ink);
}

.login-subtitle {
    position: relative;
    margin-top: 8px;
    font-size: clamp(0.85rem, 2.6vw, 0.98rem);
    color: var(--login-muted);
}

/* ---------- Round icon buttons (close / back) ---------- */
.login-close,
.login-back-btn {
    position: absolute;
    top: clamp(16px, 4vw, 22px);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--login-muted);
    background: var(--login-field);
    border: 1px solid var(--login-border);
    cursor: pointer;
    transition: all 0.25s ease;
    z-index: 101;
}

.login-close { right: clamp(14px, 4vw, 22px); }
.login-back-btn { left: clamp(14px, 4vw, 22px); }

.login-close:hover { background: #e2e8f0; color: var(--login-ink); transform: rotate(90deg); }
.login-back-btn:hover { background: #e2e8f0; color: var(--login-ink); transform: translateX(-2px); }

/* ---------- Screens ---------- */
.login-screen {
    display: none;
    padding: 0 clamp(22px, 5vw, 36px) clamp(26px, 5vw, 34px);
    max-height: inherit;
    overflow-y: auto;
}

.login-screen.active { display: block; }
.login-screen::-webkit-scrollbar { width: 6px; }
.login-screen::-webkit-scrollbar-thumb { background: #dbe2ea; border-radius: 10px; }

/* ---------- Inputs ---------- */
.login-input-group { margin-bottom: 18px; }

.login-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 18px;
    background: var(--login-field);
    border: 1.5px solid var(--login-border);
    border-radius: 14px;
    transition: all 0.25s var(--login-ease);
}

.login-input-wrapper:focus-within {
    background: #fff;
    border-color: var(--login-primary);
    box-shadow: 0 0 0 4px var(--login-ring);
}

.login-input-icon { color: var(--login-faint); font-size: 0.95rem; }

.login-input {
    width: 100%;
    min-width: 0;
    background: transparent;
    border: none;
    outline: none;
    padding: 15px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--login-ink);
}

.login-input::placeholder { color: var(--login-faint); font-weight: 500; }

/* ---------- Primary button (brand teal gradient) ---------- */
.btn-login-main {
    position: relative;
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 18px;
    border: none;
    border-radius: 14px;
    overflow: hidden;
    cursor: pointer;
    font-size: clamp(1rem, 2.8vw, 1.05rem);
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--login-primary) 0%, var(--login-accent) 100%);
    box-shadow: 0 12px 26px -10px rgba(0, 122, 122, 0.5);
    transition: transform 0.25s var(--login-ease), box-shadow 0.25s var(--login-ease), filter 0.25s ease;
}

.btn-login-main::before {
    content: '';
    position: absolute;
    inset: 0;
    left: -100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    transition: left 0.5s ease;
}

.btn-login-main:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 18px 34px -10px rgba(0, 122, 122, 0.55); filter: brightness(1.04); }
.btn-login-main:hover:not(:disabled)::before { left: 100%; }
.btn-login-main:active:not(:disabled) { transform: translateY(0); }
.btn-login-main:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
    .login-card { border-radius: 22px; }
}

@media (max-height: 680px) {
    .login-header { padding-top: clamp(26px, 6vh, 38px); margin-bottom: 12px; }
    .login-logo { height: 42px; margin-bottom: 10px; }
}

@media (min-width: 768px) {
    .login-card { width: min(460px, 100%); }
}

@media (prefers-reduced-motion: reduce) {
    .login-card,
    .btn-login-main,
    .login-input-wrapper,
    .login-close,
    .login-back-btn { transition: none; }
}

/* ---------- Toast popup (bottom-center) ---------- */
.auth-toast-container {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    z-index: 10050;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: max-content;
    max-width: min(440px, calc(100vw - 32px));
    pointer-events: none;
}

.auth-toast {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 14px 18px;
    border-radius: 14px;
    background: #fff;
    color: var(--login-ink);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.35;
    border: 1px solid var(--login-border);
    border-left: 4px solid var(--login-muted);
    box-shadow: 0 18px 44px -14px rgba(15, 23, 42, 0.4);
    cursor: pointer;
    opacity: 0;
    transform: translateY(18px) scale(0.98);
    transition: opacity 0.3s var(--login-ease), transform 0.3s var(--login-ease);
}

.auth-toast.show { opacity: 1; transform: translateY(0) scale(1); }
.auth-toast i { font-size: 1.15rem; flex-shrink: 0; }

.auth-toast--error { border-left-color: #ef4444; }
.auth-toast--error i { color: #ef4444; }
.auth-toast--success { border-left-color: #22c55e; }
.auth-toast--success i { color: #22c55e; }
.auth-toast--info { border-left-color: var(--login-primary); }
.auth-toast--info i { color: var(--login-primary); }

@media (max-width: 480px) {
    .auth-toast-container { bottom: 16px; max-width: calc(100vw - 24px); }
}

@media (prefers-reduced-motion: reduce) {
    .auth-toast { transition: opacity 0.2s ease; transform: none; }
    .auth-toast.show { transform: none; }
}