/* Direct CRM theme — classic admin
   Bootstrap 5 overrides + app components.
   Palette: dark navy navbar · cool gray background · white cards · blue accent */

:root {
    --gc-nav:        #1a2332;   /* Tabler-style dark navy */
    --gc-nav-2:      #243048;
    --gc-accent:     #206bc4;   /* classic admin blue */
    --gc-accent-h:   #1a5aa8;
    --gc-accent-tint:#e8f0fb;

    --gc-bg:         #f0f2f5;   /* cool light gray */
    --gc-card:       #ffffff;
    --gc-border:     #e2e6ea;
    --gc-border-2:   #ced4da;
    --gc-text:       #1a2332;
    --gc-muted:      #6c757d;

    --gc-radius:     8px;
    --gc-radius-sm:  5px;
    --gc-shadow:     0 1px 2px rgba(0,20,60,.04), 0 2px 6px rgba(0,20,60,.06);
    --gc-shadow-lg:  0 4px 12px rgba(0,20,60,.08), 0 8px 24px rgba(0,20,60,.06);
}

/* ---------- base ---------- */
html, body {
    background: var(--gc-bg);
    color: var(--gc-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--gc-accent); }
a:hover { color: var(--gc-accent-h); }

code {
    color: var(--gc-accent-h);
    background: var(--gc-accent-tint);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: .85em;
}

/* ---------- navbar ---------- */
.gc-navbar {
    background: var(--gc-nav);
    border-bottom: 1px solid rgba(0,0,0,.2);
    box-shadow: 0 1px 4px rgba(0,0,0,.15);
    padding: .6rem 0;
}
.gc-navbar .navbar-brand {
    color: #fff;
    font-weight: 600;
    letter-spacing: .01em;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
}
.gc-navbar .navbar-brand .gc-mark {
    display: inline-block;
    width: 26px; height: 26px;
    border-radius: 6px;
    background: var(--gc-accent);
    color: #fff;
    font-weight: 700;
    line-height: 26px;
    text-align: center;
    font-size: .8rem;
}
.gc-navbar .navbar-brand:hover { color: rgba(255,255,255,.85); }

.gc-navbar .gc-nav-btn {
    color: rgba(255,255,255,.75);
    background: transparent;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--gc-radius-sm);
    padding: .35rem .65rem;
    font-size: .875rem;
    line-height: 1.2;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    transition: background .15s, border-color .15s, color .15s;
}
.gc-navbar .gc-nav-btn:hover {
    background: rgba(255,255,255,.1);
    border-color: rgba(255,255,255,.2);
    color: #fff;
}
.gc-navbar .gc-nav-btn.is-active {
    background: var(--gc-accent);
    border-color: var(--gc-accent);
    color: #fff;
}
.gc-navbar .gc-nav-btn .badge {
    background: #e53935 !important;
    color: #fff !important;
}

/* ---------- cards ---------- */
.card {
    background: var(--gc-card);
    border: 1px solid var(--gc-border);
    border-radius: var(--gc-radius);
    box-shadow: var(--gc-shadow);
}
.card-header {
    background: var(--gc-card);
    border-bottom: 1px solid var(--gc-border);
    padding: .85rem 1rem;
    font-weight: 600;
    color: var(--gc-text);
}
.card-header.gc-header-dark {
    background: var(--gc-nav);
    color: #fff;
    border-bottom: none;
    border-top-left-radius: var(--gc-radius);
    border-top-right-radius: var(--gc-radius);
}
.card-header.gc-header-soft {
    background: #f8f9fa;
    color: var(--gc-text);
    border-bottom: 1px solid var(--gc-border);
}
.card-footer {
    background: #f8f9fa;
    border-top: 1px solid var(--gc-border);
}

.card.gc-converted {
    border-color: #198754;
    box-shadow: 0 0 0 1px #198754 inset, var(--gc-shadow);
}

/* ---------- buttons ---------- */
.btn { border-radius: var(--gc-radius-sm); font-weight: 500; }

.btn-primary {
    background: var(--gc-accent);
    border-color: var(--gc-accent);
    color: #fff;
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--gc-accent-h);
    border-color: var(--gc-accent-h);
    color: #fff;
}

.btn-outline-primary {
    border-color: var(--gc-accent);
    color: var(--gc-accent);
}
.btn-outline-primary:hover {
    background: var(--gc-accent);
    border-color: var(--gc-accent);
    color: #fff;
}

.btn-outline-secondary {
    border-color: var(--gc-border-2);
    color: var(--gc-text);
}
.btn-outline-secondary:hover {
    background: var(--gc-nav);
    border-color: var(--gc-nav);
    color: #fff;
}

/* ---------- forms ---------- */
.form-control, .form-select {
    border-color: var(--gc-border-2);
    border-radius: var(--gc-radius-sm);
}
.form-control:focus, .form-select:focus {
    border-color: var(--gc-accent);
    box-shadow: 0 0 0 .2rem rgba(32,107,196,.18);
}

/* ---------- list groups ---------- */
.list-group-item { border-color: var(--gc-border); }

/* ---------- alerts ---------- */
.alert { border-radius: var(--gc-radius); }

/* ---------- chat ---------- */
.chat-list {
    max-height: calc(100vh - 220px);
    overflow-y: auto;
}
.chat-item {
    cursor: pointer;
    transition: background-color .15s;
    border-radius: var(--gc-radius-sm);
}
.chat-item:hover { background-color: var(--gc-accent-tint); }
.chat-item.active {
    background-color: var(--gc-accent-tint);
    box-shadow: inset 3px 0 0 var(--gc-accent);
}
.chat-list hr { border-color: var(--gc-border); margin: .25rem 0; opacity: 1; }

.chat-item-wrapper.chat-converted {
    background: #e8f5e9;
    border-left: 3px solid #198754;
    border-radius: var(--gc-radius-sm);
}
.chat-item-wrapper.chat-converted .chat-item { background: transparent; }

.message-bubble {
    max-width: 75%;
    margin-bottom: 12px;
}
.message-incoming {
    background: #f1f3f5;
    color: var(--gc-text);
    border-radius: 14px 14px 14px 2px;
    box-shadow: var(--gc-shadow);
}
.message-outgoing {
    background: var(--gc-accent);
    color: #fff;
    border-radius: 14px 14px 2px 14px;
    margin-left: auto;
    box-shadow: var(--gc-shadow);
}

.messages-container {
    max-height: calc(100vh - 320px);
    overflow-y: auto;
    background: #f8f9fa;
}

.file-preview img { max-width: 100%; max-height: 300px; border-radius: var(--gc-radius-sm); }
.audio-player-container audio { width: 100%; }

@media (max-width: 767px) {
    .messages-container { max-height: calc(100vh - 280px); }
    .chat-list          { max-height: calc(100vh - 180px); }
}

/* ---------- page title ---------- */
.gc-page-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin: .25rem 0 1rem;
    padding-bottom: .75rem;
    border-bottom: 1px solid var(--gc-border);
}
.gc-page-title h1 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: var(--gc-text);
    display: inline-flex;
    align-items: center;
    gap: .5rem;
}