/* ============================================================
   Sked73 – Main Stylesheet
   Wavelog-inspired dark theme
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;600&family=IBM+Plex+Sans:wght@300;400;500;600&display=swap');

/* ------------------------------------------------------------
   CSS Variables
   ------------------------------------------------------------ */
:root {
    --bg-primary:      #1a1d23;
    --bg-secondary:    #21252d;
    --bg-card:         #272b34;
    --bg-card-header:  #2e3340;
    --border:          #363b47;
    --accent:          #4dabf7;
    --accent-hover:    #74c0fc;
    --accent-green:    #51cf66;
    --accent-orange:   #ff922b;
    --accent-red:      #ff6b6b;
    --text-primary:    #e9ecef;
    --text-secondary:  #868e96;
    --text-muted:      #555e6e;
    --navbar-bg:       #161920;
    --font-mono:       'IBM Plex Mono', monospace;
    --font-sans:       'IBM Plex Sans', sans-serif;
}

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

html, body {
    height: 100%;
}

body {
    background-color: #0e1016;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.link-accent { color: var(--accent); }
.link-accent:hover { color: var(--accent-hover); }

/* ------------------------------------------------------------
   Navbar
   ------------------------------------------------------------ */
#main-navbar {
    background-color: var(--navbar-bg) !important;
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 1rem;
}

.navbar-brand {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--accent) !important;
    letter-spacing: -0.02em;
}

.navbar-brand span {
    color: var(--text-secondary);
    font-weight: 300;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem !important;
    transition: color 0.15s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary) !important;
}

.dropdown-menu {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
}

.dropdown-item {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.dropdown-item:hover {
    background-color: var(--bg-card-header);
    color: var(--text-primary);
}

.dropdown-divider { border-color: var(--border); }

/* ------------------------------------------------------------
   Cards
   ------------------------------------------------------------ */
.card-wl {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.card-header-wl {
    background-color: var(--bg-card-header);
    border-bottom: 1px solid var(--border);
    padding: 0.6rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ------------------------------------------------------------
   Forms
   ------------------------------------------------------------ */
.form-label-wl {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
    display: block;
}

.form-control-wl,
.form-select-wl {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.45rem 0.75rem;
    width: 100%;
    transition: border-color 0.15s;
}

.form-control-wl:focus,
.form-select-wl:focus {
    background-color: var(--bg-secondary);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 2px rgba(77, 171, 247, 0.15);
    outline: none;
}

.form-control-wl::placeholder { color: var(--text-muted); }

.form-text {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Override Bootstrap dark form controls */
.form-control,
.form-select {
    background-color: var(--bg-secondary);
    border-color: var(--border);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-secondary);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 2px rgba(77, 171, 247, 0.15);
}

/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */
.btn-accent {
    background-color: var(--accent);
    color: #0e1016;
    border: none;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    transition: background-color 0.15s;
}

.btn-accent:hover {
    background-color: var(--accent-hover);
    color: #0e1016;
}

.btn-outline-accent {
    background-color: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.45rem 1.2rem;
    border-radius: 6px;
    transition: all 0.15s;
}

.btn-outline-accent:hover {
    background-color: var(--accent);
    color: #0e1016;
}

/* ------------------------------------------------------------
   Stat boxes
   ------------------------------------------------------------ */
.stat-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.stat-box .val {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--accent);
    line-height: 1;
}

.stat-box .lbl {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.3rem;
}

/* ------------------------------------------------------------
   Callsign / monospace elements
   ------------------------------------------------------------ */
.callsign {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent);
}

.freq {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.badge-band {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}

.badge-green  { background: #1a3a2a; color: #69db7c; }
.badge-blue   { background: #1c3a5e; color: #74c0fc; }
.badge-yellow { background: #2d2a1a; color: #ffd43b; }

/* Live indicator */
.live-dot {
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 50%;
    background-color: var(--accent-green);
    animation: pulse 1.5s infinite;
    margin-right: 6px;
}

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

/* ------------------------------------------------------------
   Drag handle
   ------------------------------------------------------------ */
.drag-handle {
    color: var(--text-muted);
    cursor: grab;
    padding: 0 4px;
    font-size: 0.8rem;
}
.drag-handle:active { cursor: grabbing; }

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.footer {
    background-color: var(--navbar-bg);
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.footer-brand {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent);
}

.footer-brand span {
    color: var(--text-muted);
    font-weight: 300;
}

.footer-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ------------------------------------------------------------
   Alerts
   ------------------------------------------------------------ */
.alert {
    font-size: 0.85rem;
    border-radius: 8px;
}

.alert-danger  { background-color: #2d1a1a; border-color: #5c2020; color: #ff9999; }
.alert-success { background-color: #1a2d1a; border-color: #205c20; color: #99ff99; }
.alert-info    { background-color: #1a2a3a; border-color: #1c3a5e; color: #74c0fc; }

/* ------------------------------------------------------------
   Utilities
   ------------------------------------------------------------ */
.text-accent  { color: var(--accent); }
.text-green   { color: var(--accent-green); }
.text-orange  { color: var(--accent-orange); }
.bg-wl        { background-color: var(--bg-card); }
.border-wl    { border-color: var(--border) !important; }
.mono         { font-family: var(--font-mono); }