/* ================================================
   OPERAÇÃO SPECTRE — INTERFACE SECRETA
   Estilo: Terminal CRT Espião / Cold War Tech
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=VT323&family=Share+Tech+Mono&family=Courier+Prime:wght@400;700&display=swap');

:root {
    --green:       #00ff41;
    --green-dim:   #00aa2a;
    --green-dark:  #003d10;
    --green-glow:  rgba(0, 255, 65, 0.15);
    --amber:       #ffb000;
    --amber-dim:   #996800;
    --red:         #ff2222;
    --bg:          #030a04;
    --bg-panel:    #070f08;
    --border:      #0d2b10;
    --border-glow: #00ff41;
    --scanline:    rgba(0, 20, 5, 0.5);
    --font-main:   'Share Tech Mono', monospace;
    --font-display:'VT323', monospace;
    --font-body:   'Courier Prime', monospace;
    --radius:      2px;
}

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

html, body {
    background-color: var(--bg);
    color: var(--green);
    font-family: var(--font-main);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ================================================
   EFEITO CRT — VIGNETTE
   ================================================ */

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(
        ellipse at center,
        transparent 60%,
        rgba(0, 0, 0, 0.85) 100%
    );
    pointer-events: none;
    z-index: 9998;
}

@keyframes flicker {
    0%, 95%, 100% { opacity: 1; }
    96% { opacity: 0.92; }
    97% { opacity: 1; }
    98% { opacity: 0.95; }
    99% { opacity: 1; }
}

/* ================================================
   TERMINAL PRINCIPAL
   ================================================ */
.terminal {
    max-width: 1280px;
    margin: 24px auto;
    border: 1px solid var(--border);
    background-color: var(--bg-panel);
    box-shadow:
        0 0 0 1px var(--green-dark),
        0 0 20px rgba(0, 255, 65, 0.08),
        0 0 60px rgba(0, 255, 65, 0.04),
        inset 0 0 30px rgba(0, 0, 0, 0.5);
    position: relative;
}

/* Cantos decorativos */
.terminal::before,
.terminal::after {
    content: '▪';
    position: absolute;
    color: var(--green-dim);
    font-size: 8px;
    line-height: 1;
}
.terminal::before { top: 4px; left: 4px; }
.terminal::after  { bottom: 4px; right: 4px; }

/* ================================================
   HEADER DO TERMINAL
   ================================================ */
.terminal-header {
    background: linear-gradient(90deg, #0a1a0b 0%, #0d1f0e 50%, #0a1a0b 100%);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.terminal-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--green-dim), transparent);
}

.red-dot, .yellow-dot, .green-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    flex-shrink: 0;
}
.red-dot    { background-color: #c0392b; box-shadow: 0 0 4px #c0392b; }
.yellow-dot { background-color: #f39c12; box-shadow: 0 0 4px #f39c12; }
.green-dot  { background-color: #27c93f; box-shadow: 0 0 4px #27c93f; }

.title {
    flex-grow: 1;
    text-align: center;
    font-family: var(--font-display);
    font-size: 1.4rem;
    letter-spacing: 6px;
    color: var(--green);
    text-shadow: 0 0 10px var(--green);
    text-transform: uppercase;
}

.user-status {
    font-size: 0.75rem;
    color: var(--green-dim);
    letter-spacing: 1px;
}

/* ================================================
   CORPO DO TERMINAL
   ================================================ */
.terminal-body {
    padding: 20px;
    position: relative;
}

/* Linha de scan animada */
.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(
        to right,
        transparent,
        var(--green-glow),
        var(--green),
        var(--green-glow),
        transparent
    );
    animation: scan-v 6s linear infinite;
    pointer-events: none;
    z-index: 5;
    opacity: 0.6;
}

@keyframes scan-v {
    0%   { top: 0; opacity: 0; }
    5%   { opacity: 0.6; }
    95%  { opacity: 0.6; }
    100% { top: 100%; opacity: 0; }
}

/* ================================================
   LOGIN PAGE
   ================================================ */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-page .terminal {
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
}

/* Classificação de segurança */
.security-badge {
    text-align: center;
    margin-bottom: 24px;
    padding: 10px;
    border: 1px dashed var(--green-dark);
    background: rgba(0, 255, 65, 0.02);
}

.security-badge .classification {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--amber);
    text-shadow: 0 0 8px var(--amber);
    letter-spacing: 8px;
    display: block;
}

.security-badge .sub {
    font-size: 0.7rem;
    color: var(--amber-dim);
    letter-spacing: 3px;
}

/* Efeito de máquina de escrever */
.glitch-text-container {
    display: block;
    margin-bottom: 24px;
    min-height: 1.6em;
    border-left: 3px solid var(--green);
    padding-left: 12px;
}

.glitch-text {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--green);
    text-shadow: 0 0 8px var(--green);
    white-space: nowrap;
    display: inline-block;
    overflow: hidden;
    vertical-align: bottom;
}

.glitch-cursor {
    display: inline-block;
    color: var(--green);
    font-weight: 700;
    animation: blink-caret 0.6s step-end infinite;
    margin-left: 1px;
}

@keyframes typing {
    from { width: 0 }
    to   { width: 100% }
}
@keyframes erase {
    from { width: 100% }
    to   { width: 0 }
}
@keyframes blink-caret {
    from, to { opacity: 0 }
    50%      { opacity: 1 }
}

/* Formulário de login */
.login-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 18px;
}

label {
    display: block;
    margin-bottom: 6px;
    color: var(--green-dim);
    font-size: 0.85rem;
    letter-spacing: 2px;
}

input[type="text"],
input[type="password"],
textarea,
.typewriter {
    width: 100%;
    padding: 10px 12px;
    background-color: rgba(0, 255, 65, 0.03);
    border: 1px solid var(--green-dark);
    border-left: 3px solid var(--green-dim);
    color: var(--green);
    font-family: var(--font-main);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus {
    border-color: var(--green);
    box-shadow: 0 0 12px rgba(0, 255, 65, 0.15);
    background-color: rgba(0, 255, 65, 0.05);
}

input[type="file"] {
    color: var(--green-dim);
    font-family: var(--font-main);
    font-size: 0.85rem;
    padding: 8px 0;
}

textarea {
    min-height: 100px;
    resize: vertical;
    line-height: 1.5;
}

.btn-access, .btn-send, .btn-logout {
    display: inline-block;
    background-color: transparent;
    color: var(--green);
    border: 1px solid var(--green-dim);
    padding: 10px 24px;
    font-family: var(--font-display);
    font-size: 1.1rem;
    letter-spacing: 4px;
    text-decoration: none;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}

.btn-access::before, .btn-send::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.1), transparent);
    transition: left 0.4s;
}

.btn-access:hover::before, .btn-send:hover::before {
    left: 100%;
}

.btn-access:hover, .btn-send:hover {
    background-color: var(--green);
    color: #000;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.4);
    border-color: var(--green);
}

.btn-logout {
    font-size: 0.85rem;
    padding: 6px 14px;
    letter-spacing: 2px;
    color: var(--red);
    border-color: #550000;
}

.btn-logout:hover {
    background-color: var(--red);
    color: #000;
    border-color: var(--red);
    box-shadow: 0 0 12px rgba(255, 34, 34, 0.4);
}

/* Mensagens de erro */
.error-text {
    color: var(--red);
    font-size: 0.85rem;
    margin-bottom: 16px;
    padding: 8px 12px;
    border: 1px dashed #550000;
    background: rgba(255, 34, 34, 0.04);
    animation: blink 1.2s infinite;
}

/* Aviso piscante */
.blink-text {
    animation: blink 1.8s infinite;
    color: var(--green-dim);
    font-size: 0.78rem;
    letter-spacing: 1px;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
}

/* Divisor */
.divider {
    border: none;
    border-top: 1px dashed var(--border);
    margin: 20px 0;
}

/* ================================================
   CHAT
   ================================================ */
.chat-container {
    max-height: 420px;
    overflow-y: auto;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    padding: 12px;
    background: rgba(0, 5, 2, 0.4);
    scroll-behavior: smooth;
}

.chat-container::-webkit-scrollbar {
    width: 6px;
}
.chat-container::-webkit-scrollbar-track {
    background: var(--bg);
}
.chat-container::-webkit-scrollbar-thumb {
    background: var(--green-dark);
    border-radius: 2px;
}

.message {
    margin-bottom: 16px;
    border-bottom: 1px dashed var(--border);
    padding-bottom: 12px;
    animation: msg-in 0.3s ease;
}

@keyframes msg-in {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.message:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.message-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 0.75rem;
    color: var(--green-dim);
    letter-spacing: 1px;
}

.message-header .user {
    color: var(--amber);
    text-shadow: 0 0 6px var(--amber-dim);
}

.message-text {
    white-space: pre-wrap;
    line-height: 1.6;
    font-size: 0.92rem;
}

/* Vídeo */
.video-container {
    margin: 10px 0;
    border: 1px solid var(--green-dark);
    background: #000;
    padding: 4px;
}

.video-message {
    max-width: 100%;
    max-height: 300px;
    display: block;
    margin: 0 auto;
}

.video-container iframe {
    width: 100%;
    height: 280px;
    border: none;
    display: block;
}

/* ================================================
   USUÁRIOS ONLINE
   ================================================ */
.online-users {
    border: 1px dashed var(--green-dark);
    padding: 12px;
    margin-bottom: 16px;
    background: rgba(0, 255, 65, 0.02);
}

.online-users h3 {
    margin-top: 0;
    border-bottom: 1px dashed var(--border);
    padding-bottom: 8px;
    margin-bottom: 10px;
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--green-dim);
}

.online-users ul {
    list-style: none;
    padding: 0;
}

.online-users li {
    padding: 4px 0;
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    border-bottom: 1px dotted var(--green-dark);
}

.online-users li:last-child {
    border-bottom: none;
}

.online-status {
    color: var(--green);
    text-shadow: 0 0 6px var(--green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
}

.observer-notice {
    border: 1px dashed var(--green-dark);
    padding: 12px;
    margin: 10px 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--green-dim);
    background: rgba(0, 255, 65, 0.02);
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-top: 20px;
    padding: 12px;
    border-top: 1px dashed var(--border);
    font-size: 0.78rem;
}

.connection-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    color: var(--green-dim);
    letter-spacing: 1px;
}

.secure-connection {
    color: var(--green);
    animation: blink 2.5s infinite;
}

/* ================================================
   WAITING PAGE
   ================================================ */
.waiting-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.waiting-container .terminal {
    max-width: 620px;
    text-align: center;
}

.countdown {
    margin-top: 28px;
    padding: 20px;
    border: 1px dashed var(--amber-dim);
    background: rgba(255, 176, 0, 0.03);
}

.countdown p {
    font-size: 0.8rem;
    letter-spacing: 3px;
    color: var(--amber-dim);
    margin-bottom: 12px;
}

#countdown-timer {
    font-family: var(--font-display);
    font-size: 2.2rem;
    color: var(--amber);
    text-shadow: 0 0 12px var(--amber);
    letter-spacing: 6px;
}

/* ================================================
   EFEITO DE PROGRESSO/STATUS BAR
   ================================================ */
.status-bar {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    margin-bottom: 12px;
    border-top: 1px dashed var(--border);
    border-bottom: 1px dashed var(--border);
    font-size: 0.72rem;
    color: var(--green-dim);
    letter-spacing: 1px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
    animation: pulse 1.5s infinite;
}

/* ================================================
   LAYOUT CHAT + SIDEBAR (DESKTOP)
   ================================================ */
.chat-layout  { display: flex; gap: 12px; align-items: flex-start; }
.chat-main    { flex: 1; min-width: 0; overflow-x: hidden; }
.chat-sidebar { flex: 0 0 290px; display: flex; flex-direction: column; gap: 10px; }

/* Botão fechar da sidebar — oculto no desktop */
.sidebar-close-btn { display: none; }

/* ================================================
   RESPONSIVO — BASE GLOBAL
   ================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: hidden; }

/* ================================================
   TABLET / MOBILE — até 900px
   ================================================ */
@media (max-width: 900px) {

    /* Terminal ocupa a tela toda */
    .terminal {
        margin: 0;
        border-left: none;
        border-right: none;
        border-radius: 0;
        min-height: 100vh;
        width: 100%;
    }

    /* Header compacto */
    .terminal-header { padding: 8px 10px; gap: 6px; }
    .title { font-size: 0.82rem; letter-spacing: 2px; }
    .user-status { font-size: 0.68rem; }

    /* Corpo com menos padding */
    .terminal-body { padding: 10px; overflow-x: hidden; }

    /* ── Chat principal ── */
    .chat-layout { display: block; }
    .chat-main   { width: 100%; }

    .chat-container {
        max-height: calc(100dvh - 200px);
        min-height: 280px;
    }

    /* Mensagens não extravasam */
    .message, .message-text {
        word-break: break-word;
        overflow-wrap: break-word;
        max-width: 100%;
    }
    .message-text { white-space: pre-wrap; }

    /* ── Sidebar vira drawer deslizante ── */
    .chat-sidebar {
        position: fixed;
        top: 0;
        right: -110%;
        width: min(300px, 88vw);
        height: 100vh;
        height: 100dvh;
        background: var(--bg-panel);
        border-left: 1px solid var(--border);
        box-shadow: -4px 0 24px rgba(0,0,0,0.85);
        z-index: 500;
        overflow-y: auto;
        padding: 12px;
        flex-direction: column;
        gap: 10px;
        transition: right 0.28s cubic-bezier(.4,0,.2,1);
        display: flex;
    }
    body.sidebar-open .chat-sidebar { right: 0; }

    /* Overlay escuro atrás do drawer */
    #sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.6);
        z-index: 499;
    }
    body.sidebar-open #sidebar-overlay { display: block; }

    /* Botão fechar visível em mobile */
    .sidebar-close-btn { display: block !important; margin-bottom: 8px; }

    /* ── Vídeos ── */
    .video-message { max-width: 100%; max-height: 220px; }
    .video-container { max-width: 100%; overflow: hidden; }
    .video-container iframe { width: 100%; height: 200px; }

    /* ── Tabs ── */
    .tab { font-size: 0.65rem; letter-spacing: 0; padding: 5px 6px; }
    .tab-bar { flex-wrap: wrap; }

    /* ── Footer ── */
    .footer { flex-direction: column; gap: 8px; padding: 8px; }

    /* ── Login page ── */
    .login-page { padding: 0; align-items: flex-start; min-height: 100dvh; }
    .login-page .terminal { max-width: 100%; margin: 0; }

    /* ── Botões de ação de mensagem ── */
    .msg-actions { flex-wrap: wrap; gap: 6px; }

    /* ── Countdown ── */
    #countdown-timer { font-size: 1.6rem; letter-spacing: 3px; }
    .countdown { padding: 14px; }

    /* ── Status bar ── */
    .status-bar { font-size: 0.65rem; flex-wrap: wrap; gap: 4px; }

    /* ── Online users sidebar block ── */
    .online-users { font-size: 0.82rem; }
    .online-users li { flex-direction: column; gap: 2px; align-items: flex-start; }

    /* ── Formulário ── */
    .btn-access, .btn-send {
        width: 100%;
        text-align: center;
        font-size: 1rem;
        letter-spacing: 2px;
        padding: 12px 16px;
    }
    .btn-logout { font-size: 0.8rem; padding: 5px 10px; }

    input[type="text"],
    input[type="password"],
    textarea { font-size: 1rem; } /* evita zoom automático no iOS */

    /* ── Upload area ── */
    .upload-area { padding: 12px 8px; }
    .upload-hint { font-size: 0.7rem; }

    /* ── Profile modal ── */
    #profile-box { width: min(380px, 95vw); }
    #profile-actions { gap: 6px; }
    .btn-profile { font-size: 0.7rem; padding: 5px 10px; }

    /* ── Painel admin — user list ── */
    .admin-user-row { flex-wrap: wrap; gap: 4px; }
}

/* ================================================
   MOBILE PEQUENO — até 480px
   ================================================ */
@media (max-width: 480px) {
    .terminal-body { padding: 8px; }
    .title { font-size: 0.7rem; letter-spacing: 1px; }
    .terminal-header { padding: 6px 8px; }

    .red-dot, .yellow-dot, .green-dot { width: 9px; height: 9px; }

    .chat-container { max-height: calc(100dvh - 180px); min-height: 240px; }

    .video-container iframe { height: 170px; }
    .video-message { max-height: 190px; }

    #countdown-timer { font-size: 1.25rem; letter-spacing: 2px; }

    .glitch-text { font-size: 1.05rem; }

    .form-group { margin-bottom: 12px; }
    label { font-size: 0.78rem; }

    .tab { font-size: 0.6rem; padding: 4px 5px; }

    .security-badge .classification { font-size: 1.4rem; letter-spacing: 5px; }

    /* Modal fullscreen em telas muito pequenas */
    #profile-box { width: 98vw; top: 2%; transform: translate(-50%, 0); }
}

/* ================================================
   MOBILE MUITO PEQUENO — até 360px
   ================================================ */
@media (max-width: 360px) {
    .title { font-size: 0.62rem; letter-spacing: 1px; }
    .btn-access, .btn-send { font-size: 0.9rem; letter-spacing: 1px; }
    .chat-container { max-height: calc(100dvh - 160px); }
    #countdown-timer { font-size: 1.05rem; }
}