@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* AppNexus — painel de login (admin) */

:root {
    --bg-deep: #050816;
    --bg-mid: #0c1222;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.35);
    --text: #0f172a;
    --text-muted: #64748b;
    --card-border: rgba(255, 255, 255, 0.7);
    --input-border: #e2e8f0;
    --radius: 1rem;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
    font-family: var(--font);
    background: var(--bg-deep);
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

/* Fundo com gradiente e brilho */
.login-container {
    position: relative;
    min-height: 100vh;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-glow), transparent 55%),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(99, 102, 241, 0.12), transparent 50%),
        radial-gradient(ellipse 50% 30% at 0% 80%, rgba(14, 165, 233, 0.1), transparent 45%),
        linear-gradient(165deg, var(--bg-deep) 0%, var(--bg-mid) 50%, #0a0f1a 100%);
}

.login-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 100%);
    pointer-events: none;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-deep);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loader {
    width: 44px;
    height: 44px;
    border: 3px solid rgba(59, 130, 246, 0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Card */
.login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 2.25rem 2rem 1.75rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    box-shadow:
        0 0 0 1px rgba(15, 23, 42, 0.04),
        0 20px 50px -12px rgba(15, 23, 42, 0.25),
        0 0 40px -20px var(--accent-glow);
    backdrop-filter: blur(8px);
}

/* Cabeçalho da marca */
.login-brand {
    margin-bottom: 0.5rem;
}

.brand-name {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 45%, #2563eb 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.brand-tagline {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-top: 0.35rem;
    letter-spacing: 0.01em;
}

.logo-wrap {
    margin: 1.25rem 0 0.5rem;
}

.logo {
    max-width: 180px;
    max-height: 72px;
    width: auto;
    height: auto;
    object-fit: contain;
    margin: 0 auto;
    display: block;
}

#login-form {
    margin-top: 0.5rem;
    text-align: left;
}

/* Campos com ícone */
.input-group {
    position: relative;
    margin-bottom: 0.9rem;
}

.input-group i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    z-index: 1;
}

.input-group input {
    width: 100%;
    padding: 0.8rem 0.9rem 0.8rem 2.6rem;
    border: 1px solid var(--input-border);
    border-radius: 0.65rem;
    font-size: 0.95rem;
    font-family: var(--font);
    color: var(--text);
    background: #f8fafc;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.input-group input::placeholder {
    color: #94a3b8;
}

.input-group input:hover {
    border-color: #cbd5e1;
    background: #fff;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.login-forgot {
    text-align: right;
    margin: -0.15rem 0 0.85rem;
}

.login-forgot a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

.login-forgot a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

#login-form button[type="submit"] {
    width: 100%;
    margin-top: 0.25rem;
    padding: 0.85rem 1rem;
    border: none;
    border-radius: 0.65rem;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font);
    color: #fff;
    cursor: pointer;
    background: linear-gradient(180deg, var(--accent) 0%, var(--accent-hover) 100%);
    box-shadow: 0 4px 14px -3px var(--accent-glow);
    transition: transform 0.15s, box-shadow 0.2s, filter 0.2s;
}

#login-form button[type="submit"]:hover {
    filter: brightness(1.05);
    box-shadow: 0 6px 20px -4px var(--accent-glow);
    transform: translateY(-1px);
}

#login-form button[type="submit"]:active {
    transform: translateY(0);
}

/* Seletor de idioma */
.language-selector {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.35rem;
    padding-top: 1.25rem;
    border-top: 1px solid #e2e8f0;
}

.language-selector img {
    width: 32px;
    height: 22px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.5;
    transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
    filter: grayscale(40%);
}

.language-selector img:hover {
    opacity: 0.85;
    transform: scale(1.05);
}

.language-selector img.active {
    opacity: 1;
    filter: grayscale(0);
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

/* Rodapé */
.login-footer {
    margin-top: 1.5rem;
    text-align: center;
}

.login-footer__copy {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.login-footer__store {
    display: block;
    font-size: 0.75rem;
    color: #94a3b8;
    margin-top: 0.25rem;
}

.login-footer__legal {
    font-size: 0.7rem;
    color: #cbd5e1;
    margin-top: 0.35rem;
    line-height: 1.4;
}

.login-footer__dev {
    font-size: 0.7rem;
    color: #94a3b8;
    margin-top: 0.5rem;
}

.login-footer__dev a {
    color: #64748b;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: color 0.2s;
}

.login-footer__dev a:hover {
    color: var(--accent-hover);
}

.dev-name {
    margin-left: 0.3em;
    font-weight: 600;
    color: #334155;
    letter-spacing: 0.06em;
}

/* Alertas (mantidos do login.php) */
#alert-container {
    width: 100%;
    margin-bottom: 0.75rem;
}

.alert {
    padding: 0.7rem 0.85rem;
    margin-bottom: 0.5rem;
    border: 1px solid transparent;
    border-radius: 0.5rem;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.alert.show {
    opacity: 1;
}

.alert.error {
    color: #991b1b;
    background-color: #fef2f2;
    border-color: #fecaca;
}

.alert.success {
    color: #166534;
    background-color: #f0fdf4;
    border-color: #bbf7d0;
}

/* Scrollbar (páginas com scroll) */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.06);
    border-radius: 8px;
}
::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.35);
}

/* Responsivo */
@media (max-width: 480px) {
    .login-card {
        padding: 1.75rem 1.35rem 1.5rem;
    }
    .brand-name {
        font-size: 1.5rem;
    }
    .logo {
        max-width: 150px;
    }
}