@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
    --te-bg: #EFEFED;
    --te-bg-alt: #E6E6E4;
    --te-panel: #FFFFFF;
    --te-border: #D4D4D0;
    --te-border-dark: #B0B0AA;
    --te-text: #1A1A18;
    --te-text-muted: #7A7A76;
    --te-accent: #FF4800;
    --te-accent-hover: #DD3E00;
    --te-accent-light: #FFF0EB;
    --te-blue: #0055FF;
    --te-blue-hover: #0044DD;
    --te-blue-light: #E8F0FF;
    --te-green: #00B050;
    --te-green-light: #E6F5EC;
    --te-yellow: #FFD700;
    --te-red: #E8001E;
    --te-mono: 'Space Mono', 'Courier New', monospace;
    --te-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --te-radius: 2px;
    --te-radius-lg: 4px;
    --te-shadow: 0 1px 3px rgba(0,0,0,0.08);
    --te-shadow-lg: 0 4px 16px rgba(0,0,0,0.10);
}

* { box-sizing: border-box; }

body {
    background-color: var(--te-bg);
    color: var(--te-text);
    font-family: var(--te-sans);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--te-mono);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--te-text);
    margin-bottom: 0.5em;
}

.mono { font-family: var(--te-mono); }

.label-xs {
    font-family: var(--te-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--te-text-muted);
    display: block;
    margin-bottom: 4px;
}

.label-sm {
    font-family: var(--te-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--te-text-muted);
}

/* ── Panel / Card ── */
.te-panel {
    background: var(--te-panel);
    border: 1px solid var(--te-border);
    border-radius: var(--te-radius-lg);
    box-shadow: var(--te-shadow);
}

.te-panel-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--te-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.te-panel-header h6 {
    font-family: var(--te-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--te-text-muted);
    margin: 0;
    font-weight: 700;
}

.te-panel-body { padding: 20px; }

/* ── Buttons ── */
.btn-te-primary {
    background: var(--te-accent);
    color: #fff;
    border: none;
    font-family: var(--te-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 10px 20px;
    border-radius: var(--te-radius);
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    line-height: 1;
}
.btn-te-primary:hover { background: var(--te-accent-hover); color: #fff; transform: translateY(-1px); }
.btn-te-primary:active { transform: translateY(0); }

.btn-te-secondary {
    background: var(--te-text);
    color: #fff;
    border: none;
    font-family: var(--te-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 10px 20px;
    border-radius: var(--te-radius);
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}
.btn-te-secondary:hover { background: #333; color: #fff; transform: translateY(-1px); }

.btn-te-ghost {
    background: transparent;
    color: var(--te-text);
    border: 1px solid var(--te-border-dark);
    font-family: var(--te-mono);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 8px 16px;
    border-radius: var(--te-radius);
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}
.btn-te-ghost:hover { border-color: var(--te-text); background: var(--te-bg-alt); color: var(--te-text); }

.btn-te-danger {
    background: var(--te-red);
    color: #fff;
    border: none;
    font-family: var(--te-mono);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 6px 12px;
    border-radius: var(--te-radius);
    cursor: pointer;
    transition: opacity 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.btn-te-danger:hover { opacity: 0.85; color: #fff; }

.btn-te-sm { padding: 6px 12px !important; font-size: 0.68rem !important; }
.btn-te-lg { padding: 14px 28px !important; font-size: 0.85rem !important; }

/* ── Form Controls ── */
.te-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--te-panel);
    border: 1px solid var(--te-border);
    border-radius: var(--te-radius);
    color: var(--te-text);
    font-family: var(--te-sans);
    font-size: 14px;
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
    appearance: none;
}
.te-input:focus {
    border-color: var(--te-accent);
    box-shadow: 0 0 0 3px rgba(255,72,0,0.12);
}
.te-input::placeholder { color: var(--te-text-muted); }
select.te-input { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237A7A76' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; cursor: pointer; }

.te-label {
    font-family: var(--te-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--te-text-muted);
    display: block;
    margin-bottom: 6px;
    font-weight: 700;
}

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

/* ── Navigation ── */
.te-nav {
    background: var(--te-panel);
    border-bottom: 1px solid var(--te-border);
    padding: 0 24px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.te-nav-brand {
    font-family: var(--te-mono);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--te-text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}
.te-nav-brand:hover { color: var(--te-text); }

.te-nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.te-nav-link {
    font-family: var(--te-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--te-text-muted);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: var(--te-radius);
    transition: color 0.15s, background 0.15s;
}
.te-nav-link:hover { color: var(--te-text); background: var(--te-bg); }
.te-nav-link.active { color: var(--te-text); }

/* ── Status Banner ── */
.te-banner {
    padding: 12px 20px;
    border-radius: var(--te-radius-lg);
    border: 1px solid;
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}
.te-banner-warn { background: #FFFBEB; border-color: #F0CC00; color: #7A5A00; }
.te-banner-danger { background: #FFF0F0; border-color: #FFBBBB; color: var(--te-red); }
.te-banner-success { background: var(--te-green-light); border-color: #AADDCC; color: #005A2A; }
.te-banner-info { background: var(--te-blue-light); border-color: #AABBFF; color: var(--te-blue); }

.te-banner-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.te-banner-warn .te-banner-dot { background: #F0CC00; }
.te-banner-danger .te-banner-dot { background: var(--te-red); }
.te-banner-success .te-banner-dot { background: var(--te-green); }
.te-banner-info .te-banner-dot { background: var(--te-blue); }

/* ── Schedule Item ── */
.te-schedule-item {
    background: var(--te-bg);
    border: 1px solid var(--te-border);
    border-radius: var(--te-radius);
    padding: 12px 14px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.te-schedule-item:hover { border-color: var(--te-border-dark); }

/* ── Calendar Overrides ── */
#calendar {
    background: white;
    border-radius: var(--te-radius-lg);
    min-height: 560px;
}
.fc-toolbar-title {
    font-family: var(--te-mono) !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
}
.fc-button {
    background: var(--te-text) !important;
    border: none !important;
    font-family: var(--te-mono) !important;
    font-size: 0.68rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.06em !important;
    border-radius: var(--te-radius) !important;
    padding: 5px 12px !important;
}
.fc-button-active, .fc-button:focus { box-shadow: none !important; opacity: 0.85; }
.fc-event {
    background: var(--te-accent) !important;
    border: none !important;
    border-radius: var(--te-radius) !important;
    font-family: var(--te-mono) !important;
    font-size: 0.72rem !important;
    font-weight: 700;
    padding: 2px 5px;
}
.fc-day-today { background: rgba(255,72,0,0.04) !important; }
.fc-col-header-cell { font-family: var(--te-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; }
.fc-daygrid-day-number { font-family: var(--te-mono); font-size: 0.8rem; }

/* ── Alerts / Flashes (overriding Bootstrap) ── */
.alert {
    border-radius: var(--te-radius-lg);
    font-size: 0.875rem;
    padding: 12px 16px;
    border: 1px solid;
}
.alert-warning { background: #FFFBEB; border-color: #F0CC00; color: #7A5A00; }
.alert-success { background: var(--te-green-light); border-color: #AADDCC; color: #005A2A; }
.alert-danger { background: #FFF0F0; border-color: #FFBBBB; color: var(--te-red); }
.alert-info { background: var(--te-blue-light); border-color: #AABBFF; color: var(--te-blue); }

/* ── Misc ── */
.te-divider {
    height: 1px;
    background: var(--te-border);
    margin: 20px 0;
}

.te-tag {
    display: inline-block;
    background: var(--te-bg-alt);
    border: 1px solid var(--te-border);
    color: var(--te-text-muted);
    font-family: var(--te-mono);
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 2px 7px;
    border-radius: 2px;
}

.te-tag-accent {
    background: var(--te-accent-light);
    border-color: var(--te-accent);
    color: var(--te-accent);
}

.te-tag-green {
    background: var(--te-green-light);
    border-color: var(--te-green);
    color: var(--te-green);
}

/* ── Radio Buttons ── */
.te-radio-group { display: flex; gap: 8px; flex-wrap: wrap; }
.te-radio-btn input[type="radio"] { display: none; }
.te-radio-btn label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border: 1px solid var(--te-border);
    border-radius: var(--te-radius);
    cursor: pointer;
    font-family: var(--te-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--te-text-muted);
    transition: all 0.15s;
    user-select: none;
}
.te-radio-btn input[type="radio"]:checked + label {
    border-color: var(--te-accent);
    background: var(--te-accent-light);
    color: var(--te-accent);
}

/* ── Spinner ── */
@keyframes te-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.te-spinning { animation: te-spin 1s linear infinite; }

/* ── Auth Page Layout ── */
.te-auth-container {
    min-height: 100vh;
    background: var(--te-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}
.te-auth-box {
    width: 100%;
    max-width: 420px;
    background: var(--te-panel);
    border: 1px solid var(--te-border);
    border-radius: var(--te-radius-lg);
    box-shadow: var(--te-shadow-lg);
    overflow: hidden;
}
.te-auth-header {
    padding: 32px 32px 24px;
    border-bottom: 1px solid var(--te-border);
    text-align: center;
}
.te-auth-brand {
    font-family: var(--te-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--te-text-muted);
    margin-bottom: 12px;
}
.te-auth-title {
    font-family: var(--te-mono);
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}
.te-auth-body { padding: 28px 32px 32px; }

/* ── Device item ── */
.te-device-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--te-bg);
    border-radius: var(--te-radius);
    margin-bottom: 6px;
    font-size: 0.82rem;
}
.te-device-active-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--te-green);
    flex-shrink: 0;
}

/* ── Flash messages ── */
.flash-container { padding: 0 0 16px 0; }

/* Responsive */
@media (max-width: 768px) {
    .te-nav { padding: 0 16px; }
    .te-panel-body { padding: 14px; }
    .te-auth-body { padding: 20px; }
    .te-auth-header { padding: 24px 20px 18px; }
}