/* ============================================================
   login.css — Fluvo Premium Login System
   100% CSS — Sem imagens externas
   Bootstrap 5 + Custom Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ─── Tokens ─── */
:root {
    --blue-50:     #eff6ff;
    --blue-100:    #dbeafe;
    --blue-500:    #3b82f6;
    --blue-600:    #2563eb;
    --blue-700:    #1d4ed8;
    --indigo-500:  #6366f1;
    --indigo-600:  #4f46e5;
    --violet-600:  #7c3aed;
    --slate-50:    #f8fafc;
    --slate-100:   #f1f5f9;
    --slate-200:   #e2e8f0;
    --slate-400:   #94a3b8;
    --slate-500:   #64748b;
    --slate-700:   #334155;
    --slate-800:   #1e293b;
    --slate-900:   #0f172a;
    --slate-950:   #020617;
    --green-400:   #4ade80;
    --green-500:   #22c55e;
    --red-400:     #f87171;
    --red-500:     #ef4444;
    --amber-400:   #fbbf24;
    --white:       #ffffff;

    --panel-bg:    var(--slate-950);
    --glow-blue:   rgba(37, 99, 235, 0.22);
    --transition:  all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    height: 100%;
    font-family: 'Inter', system-ui, sans-serif;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Layout ─── */
.login-layout {
    display: flex;
    height: 100vh;
    width: 100%;
    overflow: hidden;
}

/* ════════════════════════════════════════
   PAINEL ESQUERDO — FORMULÁRIO
════════════════════════════════════════ */
.login-panel {
    width: 100%;
    max-width: 520px;
    background: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem 3.5rem;
    position: relative;
    z-index: 10;
    overflow-y: auto;
    border-right: 1px solid var(--slate-100);
}

/* Gradiente sutil no rodapé do painel */
.login-panel::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 120px;
    background: linear-gradient(to top, rgba(248,250,252,0.8), transparent);
    pointer-events: none;
}

/* ── Segurança Badge ── */
.security-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--green-500);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.security-badge-dot {
    width: 7px; height: 7px;
    background: var(--green-500);
    border-radius: 50%;
    box-shadow: 0 0 0 0 var(--green-500);
    animation: pulseDot 2.2s ease-in-out infinite;
}
@keyframes pulseDot {
    0%   { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
    70%  { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
    100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

/* ── Logo ── */
.login-logo {
    display: block;
    max-height: 58px;
    width: auto;
    margin-bottom: 2rem;
    transition: var(--transition);
}
.login-logo:hover { transform: scale(1.03); }

/* ── Tipografia ── */
.login-title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--slate-900);
    line-height: 1.2;
    margin-bottom: 0.35rem;
}
.login-subtitle {
    font-size: 0.9rem;
    color: var(--slate-500);
    margin-bottom: 1.75rem;
    line-height: 1.5;
}

/* ── Animação entrada ── */
.fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    opacity: 0;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Alert de erro ── */
.login-alert {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    background: #fff1f2;
    border: 1px solid #fecdd3;
    border-left: 4px solid var(--red-500);
    border-radius: 10px;
    padding: 0.85rem 1rem;
    margin-bottom: 1.5rem;
    color: #be123c;
    font-size: 0.85rem;
    font-weight: 500;
    animation: shakeIn 0.45s ease;
}
.login-alert svg { flex-shrink: 0; width: 18px; height: 18px; }
@keyframes shakeIn {
    0%,100% { transform: translateX(0); }
    20%,60%  { transform: translateX(-5px); }
    40%,80%  { transform: translateX(5px); }
}

/* ── Labels ── */
.login-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 0.45rem;
}
.login-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.45rem;
}
.login-forgot {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--blue-600);
    text-decoration: none;
    transition: color 0.2s;
}
.login-forgot:hover { color: var(--blue-700); }

/* ── Input ── */
.login-input-wrap {
    position: relative;
    margin-bottom: 1.25rem;
}
.login-input-icon {
    position: absolute;
    top: 50%; left: 1rem;
    transform: translateY(-50%);
    color: var(--slate-400);
    pointer-events: none;
    transition: color 0.2s;
    display: flex;
}
.login-input-icon svg { width: 18px; height: 18px; }
.login-input-toggle {
    position: absolute;
    top: 50%; right: 0.9rem;
    transform: translateY(-50%);
    color: var(--slate-400);
    cursor: pointer;
    background: none; border: none; padding: 0;
    display: flex; align-items: center;
    transition: color 0.2s;
}
.login-input-toggle:hover { color: var(--blue-600); }
.login-input-toggle svg { width: 18px; height: 18px; }

.custom-input {
    width: 100%;
    background: var(--slate-50);
    border: 1.5px solid var(--slate-200);
    border-radius: 10px;
    padding: 0.85rem 1rem 0.85rem 2.9rem;
    font-size: 0.92rem;
    font-family: 'Inter', sans-serif;
    color: var(--slate-900);
    transition: var(--transition);
    outline: none;
    line-height: 1.5;
}
.custom-input::placeholder { color: var(--slate-400); font-size: 0.88rem; }
.custom-input:focus {
    background: var(--white);
    border-color: var(--blue-600);
    box-shadow: 0 0 0 3px var(--glow-blue);
}
.custom-input.has-toggle { padding-right: 2.8rem; }
.login-input-wrap:focus-within .login-input-icon { color: var(--blue-600); }

/* ── Botão Principal ── */
.btn-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    border: none;
    border-radius: 10px;
    padding: 0.95rem 1.5rem;
    font-size: 0.92rem;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.01em;
    color: var(--white);
    background: linear-gradient(135deg, var(--blue-600) 0%, var(--indigo-600) 100%);
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 4px 16px var(--glow-blue);
    cursor: pointer;
    transition: var(--transition);
    margin-top: 0.25rem;
    position: relative;
    overflow: hidden;
}
.btn-login span { position: relative; z-index: 1; display: flex; align-items: center; gap: 0.4rem; }
.btn-login::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--blue-700) 0%, var(--indigo-600) 100%);
    opacity: 0;
    transition: opacity 0.25s;
}
.btn-login:hover::before  { opacity: 1; }
.btn-login:hover          { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(37,99,235,0.35); }
.btn-login:active         { transform: translateY(0); }

/* Admin dark button */
.btn-login.btn-admin-dark {
    background: linear-gradient(135deg, var(--slate-900) 0%, var(--slate-800) 100%);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2), 0 4px 16px rgba(15,23,42,0.3);
}
.btn-login.btn-admin-dark::before {
    background: linear-gradient(135deg, var(--slate-950) 0%, var(--slate-900) 100%);
}
.btn-login.btn-admin-dark:hover { box-shadow: 0 6px 24px rgba(15,23,42,0.45); }

/* Loading state */
.btn-loading { pointer-events: none; }
.btn-loading span { opacity: 0; }
.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px; height: 20px;
    top: 50%; left: 50%;
    margin: -10px 0 0 -10px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    z-index: 2;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ── */
.login-footer {
    border-top: 1px solid var(--slate-100);
    padding-top: 1.25rem;
    margin-top: 1.75rem;
    text-align: center;
}
.login-footer p { font-size: 0.75rem; color: var(--slate-400); line-height: 1.6; }

/* ── IP Badge (admin) ── */
.ip-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.73rem;
    color: var(--slate-500);
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: 8px;
    padding: 0.3rem 0.7rem;
    font-family: 'Menlo', 'Monaco', 'Consolas', monospace;
}
.ip-badge svg { width: 13px; height: 13px; color: var(--slate-400); }

/* ── Admin Warning ── */
.admin-warning {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-left: 3px solid var(--amber-400);
    border-radius: 9px;
    padding: 0.6rem 0.9rem;
    font-size: 0.78rem;
    color: #92400e;
    font-weight: 500;
    margin-bottom: 1.25rem;
}
.admin-warning svg { flex-shrink: 0; width: 15px; height: 15px; color: var(--amber-400); }

/* ── Master Badge ── */
.master-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    background: linear-gradient(135deg, var(--slate-900), var(--slate-800));
    color: var(--white);
    border-radius: 12px;
    padding: 0.85rem 1.1rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 24px rgba(15,23,42,0.25);
    transition: var(--transition);
}
.master-badge:hover { transform: scale(1.03); box-shadow: 0 8px 32px rgba(15,23,42,0.35); }
.master-badge svg { width: 26px; height: 26px; }


/* ════════════════════════════════════════
   PAINEL DIREITO — CARROSSEL DE IMAGENS
════════════════════════════════════════ */
.carousel-panel {
    flex: 1;
    position: relative;
    overflow: hidden;
    display: none;
    background: var(--slate-950);
}
@media (min-width: 992px) { .carousel-panel { display: block; } }

.carousel-container {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    z-index: 1;
}
.carousel-slide.active {
    opacity: 1;
    z-index: 2;
}

.slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    transition: transform 6s linear;
}
.carousel-slide.active .slide-bg {
    transform: scale(1);
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15,23,42,0.95), rgba(15,23,42,0.4) 60%, rgba(15,23,42,0.1));
}

.slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4rem 3.5rem;
    color: var(--white);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
}
.carousel-slide.active .slide-content {
    transform: translateY(0);
    opacity: 1;
}

.slide-content h2 {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.slide-content p {
    font-size: 1rem;
    color: rgba(255,255,255,0.78);
    line-height: 1.6;
    max-width: 480px;
    margin-bottom: 0;
}

.slide-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    padding: 0.45rem 1rem;
    border-radius: 30px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255,255,255,0.25);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.slide-progress {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: rgba(255,255,255,0.15);
    z-index: 10;
}
.slide-progress-bar {
    height: 100%;
    width: 0;
    background: var(--blue-500);
}

.carousel-brand {
    position: absolute;
    top: 2.5rem; left: 3.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    z-index: 10;
}
.carousel-brand-dot {
    width: 8px; height: 8px;
    background: var(--blue-500);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--blue-500);
}
.carousel-brand-text {
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    color: var(--white);
    text-transform: uppercase;
}

.carousel-indicators-custom {
    position: absolute;
    right: 3.5rem;
    bottom: 3.5rem;
    display: flex;
    gap: 8px;
    z-index: 10;
}
.carousel-indicators-custom .indicator {
    width: 32px;
    height: 4px;
    background: rgba(255,255,255,0.3);
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 2px;
    padding: 0;
}
.carousel-indicators-custom .indicator.active {
    background: var(--white);
    width: 48px;
}

/* ─── Responsivo ─── */
@media (max-width: 991.98px) {
    .login-panel { max-width: 100%; padding: 2rem 1.75rem; }
}
@media (max-width: 480px) {
    .login-panel { padding: 1.5rem 1.25rem; }
    .login-title { font-size: 1.4rem; }
}