/* ══════════════════════════════════════════════════════════
   common.css — Shared base styles for Discord & Instagram

   Each client overrides :root variables for theming.
   ══════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: var(--font-family);
    display: flex;
    height: 100vh;
    margin: 0;
    overflow: hidden;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* ── Setup / Login shared ─────────────────────────────── */
#setup-screen, #login-screen {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    background-color: var(--bg-secondary);
}

.login-box {
    background-color: var(--bg-primary);
    border: var(--login-box-border, none);
    padding: 40px 48px;
    border-radius: 8px;
    box-shadow: var(--login-box-shadow, 0 8px 32px rgba(0, 0, 0, 0.5));
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    min-width: 380px;
}

.login-box h2 {
    margin: 0 0 2px;
    color: var(--text-heading);
    font-size: 1.5rem;
    letter-spacing: 0.01em;
}

.login-box p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.login-input {
    width: 100%;
    padding: 12px;
    border-radius: 5px;
    border: var(--input-border, none);
    background-color: var(--bg-input);
    color: var(--text-primary);
    outline: none;
    font-size: 0.95rem;
    font-family: inherit;
}

.login-input:focus { box-shadow: var(--focus-ring); border-color: var(--accent, transparent); }

.notice {
    font-size: 0.78em;
    color: var(--text-notice);
    max-width: 300px;
    line-height: 1.5;
}

/* ── Login Tabs ───────────────────────────────────────── */
.login-tabs {
    display: flex;
    width: 100%;
    border-bottom: var(--login-tab-border);
    margin-bottom: 4px;
}

.login-tab {
    flex: 1;
    padding: 10px;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.15s, border-color 0.15s;
    background: none;
    border-radius: 0;
}

.login-tab:hover { color: var(--text-primary); }
.login-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.login-panel { display: none; width: 100%; }
.login-panel.active { display: flex; flex-direction: column; gap: 10px; }
.login-panel > div { display: flex; flex-direction: column; gap: 10px; width: 100%; }

#mfa-section { display: none; }
#mfa-section.active { display: flex; flex-direction: column; gap: 10px; }
#credential-fields.hidden { display: none; }

.login-label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-align: left;
}

/* ── Setup fields ─────────────────────────────────────── */
.setup-field {
    width: 100%;
    text-align: left;
}

.setup-field label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: block;
}

.setup-field select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 4px;
    border: var(--input-border, none);
    background-color: var(--bg-input);
    color: var(--text-primary);
    outline: none;
    font-size: 0.9rem;
    font-family: inherit;
}

.setup-field select:focus { box-shadow: var(--focus-ring); }

/* ── App Layout ─────────────────────────────────────── */
#app { display: none; width: 100%; }

.main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    min-width: 0;
}

/* ── Header ─────────────────────────────────────────── */
.header {
    height: 48px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    font-weight: 600;
    color: var(--text-heading);
    flex-shrink: 0;
    gap: 8px;
    position: relative;
}

/* ── Poll progress bar ──────────────────────────────── */
#poll-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: #43b581;
    pointer-events: none;
}
#poll-bar.running {
    animation: poll-fill var(--poll-ms, 8000ms) linear forwards;
}
@keyframes poll-fill {
    from { width: 0%; }
    to   { width: 100%; }
}

/* ── Input Area ─────────────────────────────────────── */
.input-area {
    padding: 10px 16px 16px;
    display: flex;
    align-items: stretch;
    flex-shrink: 0;
}

/* ── Buttons ────────────────────────────────────────── */
button {
    padding: 10px 20px;
    border-radius: var(--btn-radius, 3px);
    border: none;
    background-color: var(--accent);
    color: #fff;
    cursor: pointer;
    font-weight: var(--btn-weight, 500);
    font-size: 0.9rem;
    font-family: inherit;
    transition: background-color 0.15s;
}

button:hover:not(:disabled) { background-color: var(--accent-hover); }
button:disabled { opacity: 0.45; cursor: not-allowed; }

.header-btn {
    background: none;
    color: var(--text-muted);
    padding: 5px 8px;
    border-radius: 4px;
    font-size: 1rem;
    flex-shrink: 0;
}
.header-btn:hover { background: var(--bg-hover); color: var(--text-heading); }
.header-btn.active { color: #faa61a; background: rgba(250,166,26,0.15); }

.settings-btn {
    background: none;
    color: var(--text-muted);
    padding: 5px 10px;
    margin-left: auto;
    border-radius: 4px;
    font-size: 0.82rem;
    white-space: nowrap;
}

.settings-btn:hover { background: var(--bg-hover); color: var(--text-heading); }

/* ── Sidebar Items ──────────────────────────────────── */
.sidebar-label {
    color: var(--text-dim);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 12px 4px 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-label-add {
    cursor: pointer;
    color: var(--text-dim);
    font-size: 16px;
    line-height: 1;
    padding: 0 4px;
    border-radius: 3px;
    transition: color 0.1s;
}

.sidebar-label-add:hover { color: var(--text-primary); }

/* ── Scrollbar ──────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-hover); }

/* ── Placeholder States ─────────────────────────────── */
.placeholder {
    text-align: center;
    color: var(--text-dim);
    margin: auto;
    font-size: 0.9rem;
    padding: 20px;
}

.placeholder.error { color: #ed4245; }

/* ── Modal ─────────────────────────────────────────── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--modal-backdrop);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 24px;
    border-radius: var(--modal-radius, 8px);
    width: 420px;
    max-width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.modal h3 { margin: 0; color: var(--text-heading); font-size: 1.1rem; }

.modal label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: block;
}

.modal input[type="number"],
.modal input[type="text"],
.modal select {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--modal-input-radius, 4px);
    border: var(--input-border, none);
    background-color: var(--bg-input);
    color: var(--text-primary);
    outline: none;
    font-size: 0.9rem;
    font-family: inherit;
}

.modal input:focus, .modal select:focus { box-shadow: var(--focus-ring); border-color: var(--accent, transparent); }

.modal-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 4px;
}

.btn-cancel { background: transparent; color: var(--text-muted); }
.btn-cancel:hover { background: transparent; color: var(--text-heading); text-decoration: underline; }

.modal-separator {
    border: none;
    border-top: 1px solid var(--border-subtle);
    margin: 4px 0;
}

/* ── Animations ──────────────────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ── Loading Skeletons ────────────────────────────────── */
.skeleton {
    background: var(--skeleton-gradient);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

.skeleton-avatar {
    border-radius: 50%;
    flex-shrink: 0;
}

.skeleton-line {
    height: 14px;
    border-radius: 4px;
}

.skeleton-line.short { width: 40%; }
.skeleton-line.medium { width: 70%; }
.skeleton-line.long { width: 90%; }

/* ── Image Lightbox ───────────────────────────────────── */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    z-index: 99998;
    background: var(--lightbox-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    animation: fadeIn 0.15s ease-out;
}

.lightbox-overlay img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

.lightbox-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--lightbox-close-bg);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close:hover { background: rgba(255,255,255,0.15); }

/* ── Smooth Transitions ───────────────────────────────── */
.sidebar-content, #content-area {
    transition: opacity 0.15s ease;
}

/* ── Browser Stream Login ─────────────────────────────── */
.browser-canvas {
    width: 100%;
    max-height: 420px;
    border-radius: 6px;
    cursor: default;
    background: #000;
    image-rendering: auto;
}

.browser-login-status {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    padding: 8px 0;
}

.browser-login-status.error { color: #ed4245; }
.browser-login-status.success { color: #43b581; }

/* ── Focus States ──────────────────────────────────── */
button:focus-visible, input:focus-visible, select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}