@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Share+Tech+Mono&display=swap');

:root {
  --sms-bg:        #0B0D14;
  --sms-surface:   #141825;
  --sms-card:      #1A2035;
  --sms-border:    #252D45;
  --sms-accent:    #8B5CF6;
  --sms-accent-lt: #A78BFA;
  --sms-accent-xt: #C4B5FD;
  --sms-blue:      #3B82F6;
  --sms-text:      #E2E8F0;
  --sms-muted:     #64748B;
  --sms-green:     #22C55E;
  --sms-amber:     #F59E0B;
  --sms-red:       #EF4444;
  --sms-teal:      #2DD4BF;
  --sms-yellow:    #EAB308;
  --success: #22C55E;
  --danger:  #EF4444;
  --warning: #F59E0B;
}

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

body {
  font-family: 'Rajdhani', sans-serif;
  background: var(--sms-bg);
  color: var(--sms-text);
  line-height: 1.5;
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(139,92,246,0.012) 2px,
    rgba(139,92,246,0.012) 4px
  );
  pointer-events: none;
  z-index: 0;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(139,92,246,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,92,246,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}

.app-container {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px 20px;
}

/* ── HEADER ── */
.header {
  background: var(--sms-surface);
  border-bottom: 1px solid var(--sms-accent);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.header-hex {
  width: 32px; height: 32px;
  filter: drop-shadow(0 0 6px rgba(139,92,246,0.5));
}

.header-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--sms-accent-xt);
  text-transform: uppercase;
}

.header-sub {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--sms-muted);
}

nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }

nav a {
  font-family: 'Rajdhani', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--sms-muted);
  text-decoration: none;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: all .2s;
}

nav a:hover { color: var(--sms-text); border-color: var(--sms-border); }
nav a.active { color: var(--sms-accent-lt); border-color: var(--sms-accent); background: rgba(139,92,246,0.08); }

#date-display {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  color: var(--sms-muted);
  margin-left: 12px;
}

/* ── MAIN ── */
.main-content {
  background: var(--sms-card);
  border: 1px solid var(--sms-border);
  border-radius: 10px;
  padding: 24px;
}

/* ── TABS ── */
.tab-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--sms-border);
  padding-bottom: 0;
}

.tab-btn {
  background: none;
  color: var(--sms-muted);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 8px 18px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  margin-bottom: -1px;
  transition: all .2s;
}

.tab-btn:hover { color: var(--sms-text); background: none; }
.tab-btn.active { color: var(--sms-accent-lt); border-bottom-color: var(--sms-accent); background: none; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── SECTION TITLE ── */
.section-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .15em;
  color: var(--sms-muted);
  text-transform: uppercase;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--sms-border);
  margin: 20px 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title::before {
  content: '';
  width: 3px; height: 12px;
  background: var(--sms-accent);
  border-radius: 2px;
}

/* ── FILTERS ── */
.filters {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-group { display: flex; flex-direction: column; gap: 5px; }

.filter-group label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--sms-muted);
  text-transform: uppercase;
}

.filter-group select {
  padding: 8px 12px;
  border: 1px solid var(--sms-border);
  background: var(--sms-surface);
  color: var(--sms-text);
  border-radius: 6px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  cursor: pointer;
  outline: none;
  transition: border-color .2s;
}

.filter-group select:focus { border-color: var(--sms-accent); }

button {
  background: var(--sms-accent);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 6px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .2s;
}

button:hover { background: var(--sms-accent-lt); box-shadow: 0 0 16px rgba(139,92,246,0.3); }

.db-info {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--sms-muted);
  margin-left: auto;
  align-self: flex-end;
}

/* ── STATS GRID ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--sms-surface);
  border: 1px solid var(--sms-border);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: border-color .2s;
}

.stat-card:hover { border-color: var(--sms-accent); }

.stat-card::before, .stat-card::after {
  content: '';
  position: absolute;
  width: 10px; height: 10px;
  border-color: var(--sms-border);
  border-style: solid;
}
.stat-card::before { top: 4px; left: 4px; border-width: 1px 0 0 1px; }
.stat-card::after  { bottom: 4px; right: 4px; border-width: 0 1px 1px 0; }

.stat-card h3 {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--sms-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.stat-value {
  font-family: 'Share Tech Mono', monospace;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--sms-accent-lt);
  margin: 6px 0;
  line-height: 1;
}

.stat-card small {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--sms-muted);
}

.stat-card.accent-blue   .stat-value { color: #4cc9f0; }
.stat-card.accent-green  .stat-value { color: var(--sms-green); }
.stat-card.accent-teal   .stat-value { color: var(--sms-teal); }
.stat-card.accent-red    .stat-value { color: var(--sms-red); }
.stat-card.accent-yellow .stat-value { color: var(--sms-yellow); }
.stat-card.accent-amber  .stat-value { color: var(--sms-amber); }

/* ── CHARTS ── */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.chart-container {
  background: var(--sms-surface);
  border: 1px solid var(--sms-border);
  border-radius: 8px;
  padding: 16px;
}

.chart-container h3 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--sms-muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}

canvas { max-height: 280px; }

/* ── LIVE ── */
.live-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.live-card {
  background: var(--sms-surface);
  border: 1px solid var(--sms-border);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  transition: border-color .3s;
}

.live-card.active { border-color: var(--sms-accent); }
.live-card h3 { font-size: 10px; font-weight: 600; letter-spacing: .1em; color: var(--sms-muted); text-transform: uppercase; margin-bottom: 6px; }

.live-value {
  font-family: 'Share Tech Mono', monospace;
  font-size: 1.7rem;
  font-weight: 700;
  margin: 4px 0;
}

.live-unit { font-family: 'Share Tech Mono', monospace; font-size: 10px; color: var(--sms-muted); }

.live-card.pv-card    .live-value { color: #4cc9f0; }
.live-card.house-card .live-value { color: var(--sms-red); }
.live-card.grid-card  .live-value { color: var(--sms-yellow); }
.live-card.batt-card  .live-value { color: var(--sms-green); }

.soc-bar-wrap { background: var(--sms-border); border-radius: 3px; height: 4px; margin-top: 6px; overflow: hidden; }
.soc-bar { height: 100%; border-radius: 3px; background: var(--sms-green); transition: width 1s ease; }
.soc-bar.low    { background: var(--sms-red); }
.soc-bar.medium { background: var(--sms-amber); }

.live-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--sms-green);
  margin-right: 5px;
  animation: pulse 2s infinite;
}

.live-dot.offline { background: var(--sms-red); animation: none; }

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 4px var(--sms-green); }
  50%       { opacity: .4; box-shadow: none; }
}

.last-update {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--sms-muted);
  margin-bottom: 14px;
}

/* Energie-Fluss */
.energy-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 16px 0;
  flex-wrap: wrap;
}

.flow-node {
  background: var(--sms-surface);
  border: 1px solid var(--sms-border);
  border-radius: 8px;
  padding: 10px 14px;
  text-align: center;
  min-width: 90px;
}

.flow-node.active { border-color: var(--sms-accent); }
.flow-arrow { font-size: 1.3rem; color: var(--sms-muted); }
.flow-label { font-size: 10px; color: var(--sms-muted); letter-spacing: .05em; }
.flow-val   { font-family: 'Share Tech Mono', monospace; font-size: 1rem; font-weight: 700; }

/* ── FINANCE ── */
.finance-card small { font-size: 10px; font-family: 'Share Tech Mono', monospace; }
.price-hint { font-size: 10px; font-weight: normal; color: var(--sms-muted); margin-left: 8px; letter-spacing: 0; text-transform: none; font-family: 'Share Tech Mono', monospace; }

/* ── TABLE ── */
.data-table-container { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--sms-border); }
th { background: var(--sms-surface); color: var(--sms-muted); font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; font-family: 'Rajdhani', sans-serif; }
td { font-family: 'Share Tech Mono', monospace; font-size: 12px; }
tr:hover td { background: rgba(139,92,246,0.04); }

/* ── MODAL ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-overlay.active { display: flex; }

.modal-content {
  background: var(--sms-card);
  border: 1px solid var(--sms-accent);
  border-radius: 10px;
  padding: 24px;
  max-width: 900px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.close-btn {
  position: absolute;
  top: 12px; right: 16px;
  font-size: 1.8rem;
  background: none;
  color: var(--sms-muted);
  cursor: pointer;
  border: none;
  padding: 0;
}

.close-btn:hover { color: var(--sms-red); background: none; box-shadow: none; }

/* ── IMPORT FEEDBACK ── */
.import-feedback {
  background: rgba(34,197,94,0.1);
  border: 1px solid var(--sms-green);
  color: var(--sms-green);
  padding: 10px 16px;
  border-radius: 6px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  margin-bottom: 16px;
}

/* ── SETTINGS ── */
.settings-container { max-width: 900px; margin: 0 auto; }
.settings-section { background: var(--sms-surface); border: 1px solid var(--sms-border); border-radius: 8px; padding: 20px; margin-bottom: 16px; }
.settings-section h2 { font-size: 14px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 4px; color: var(--sms-accent-xt); }
.settings-desc { font-family: 'Share Tech Mono', monospace; font-size: 11px; color: var(--sms-muted); margin-bottom: 16px; }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.setting-card { background: var(--sms-card); border: 1px solid var(--sms-border); border-radius: 8px; padding: 14px; }
.setting-icon { font-size: 1.4rem; margin-bottom: 6px; }
.setting-card label { display: block; font-size: 11px; font-weight: 600; letter-spacing: .08em; color: var(--sms-text); text-transform: uppercase; margin-bottom: 6px; }
.input-group { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
.input-group input { flex: 1; padding: 7px 10px; background: var(--sms-surface); border: 1px solid var(--sms-border); border-radius: 5px; color: var(--sms-text); font-family: 'Share Tech Mono', monospace; font-size: 12px; outline: none; transition: border-color .2s; }
.input-group input:focus { border-color: var(--sms-accent); }
.input-group .unit { font-family: 'Share Tech Mono', monospace; color: var(--sms-muted); font-size: 11px; white-space: nowrap; min-width: 36px; }
.setting-card small { font-family: 'Share Tech Mono', monospace; color: var(--sms-muted); font-size: 10px; line-height: 1.4; }
.settings-actions { display: flex; gap: 10px; margin-bottom: 12px; }
.btn-primary  { background: var(--sms-accent); }
.btn-secondary { background: var(--sms-surface); color: var(--sms-text); border: 1px solid var(--sms-border); }
.btn-secondary:hover { border-color: var(--sms-accent); background: var(--sms-surface); box-shadow: none; }
.save-feedback { display: none; padding: 10px 16px; border-radius: 6px; font-family: 'Share Tech Mono', monospace; font-size: 12px; font-weight: 600; }
.save-feedback.success { background: rgba(34,197,94,0.1); color: var(--sms-green); border: 1px solid var(--sms-green); }
.save-feedback.error   { background: rgba(239,68,68,0.1); color: var(--sms-red); border: 1px solid var(--sms-red); }
.save-feedback.info    { background: rgba(139,92,246,0.1); color: var(--sms-accent-lt); border: 1px solid var(--sms-accent); }

/* ── UPLOAD ── */
.upload-container { max-width: 800px; margin: 0 auto; }
.drop-zone { border: 2px dashed var(--sms-border); border-radius: 10px; background: var(--sms-surface); padding: 40px 28px; text-align: center; cursor: pointer; transition: border-color .3s, background .3s; }
.drop-zone:hover, .drop-zone.drag-over { border-color: var(--sms-accent); background: rgba(139,92,246,0.06); }
.drop-zone .upload-icon { font-size: 3rem; margin-bottom: 10px; }
.drop-zone h3 { font-size: 16px; font-weight: 700; letter-spacing: .08em; margin-bottom: 6px; }
.drop-zone p  { font-family: 'Share Tech Mono', monospace; color: var(--sms-muted); font-size: 11px; margin-bottom: 16px; }
#file-input { display: none; }
.select-btn { background: var(--sms-accent); color: #fff; border: none; padding: 9px 20px; border-radius: 6px; font-family: 'Rajdhani', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; transition: all .2s; }
.select-btn:hover { background: var(--sms-accent-lt); }

.file-item { display: flex; align-items: center; gap: 10px; background: var(--sms-surface); border: 1px solid var(--sms-border); border-radius: 6px; padding: 9px 12px; margin-bottom: 5px; font-size: 12px; }
.file-item .fname  { flex: 1; color: var(--sms-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-family: 'Share Tech Mono', monospace; }
.file-item .fsize  { font-family: 'Share Tech Mono', monospace; color: var(--sms-muted); font-size: 10px; }
.file-item .fstatus { min-width: 120px; text-align: right; font-size: 11px; font-weight: 600; font-family: 'Share Tech Mono', monospace; }
.fstatus.pending   { color: var(--sms-muted); }
.fstatus.uploading { color: var(--sms-accent-lt); }
.fstatus.done      { color: var(--sms-green); }
.fstatus.error     { color: var(--sms-red); }
.file-bar-wrap { width: 100%; height: 2px; background: var(--sms-border); border-radius: 2px; margin-top: 3px; }
.file-bar      { height: 100%; border-radius: 2px; background: var(--sms-accent); width: 0%; transition: width .3s; }

#upload-actions { margin-top: 14px; gap: 10px; align-items: center; }
#btn-start { font-size: 13px; padding: 10px 24px; }
#btn-clear { background: var(--sms-surface); color: var(--sms-muted); border: 1px solid var(--sms-border); font-size: 12px; padding: 10px 16px; }
#btn-clear:hover { border-color: var(--sms-red); color: var(--sms-red); background: var(--sms-surface); box-shadow: none; }

#summary-bar { display: none; background: var(--sms-surface); border: 1px solid var(--sms-border); border-radius: 8px; padding: 14px 18px; margin-top: 16px; }
#summary-bar.success { border-color: var(--sms-green); background: rgba(34,197,94,0.06); }
#summary-bar.error   { border-color: var(--sms-red);   background: rgba(239,68,68,0.06); }

.summary-row { display: flex; gap: 28px; flex-wrap: wrap; }
.summary-stat { text-align: center; }
.summary-stat .val { font-family: 'Share Tech Mono', monospace; font-size: 1.5rem; font-weight: 700; }
.summary-stat .lbl { font-family: 'Share Tech Mono', monospace; font-size: 10px; color: var(--sms-muted); text-transform: uppercase; letter-spacing: .06em; }
.summary-stat .val.green  { color: var(--sms-green); }
.summary-stat .val.yellow { color: var(--sms-amber); }
.summary-stat .val.red    { color: var(--sms-red); }

#progress-overall { height: 4px; border-radius: 3px; background: var(--sms-border); margin-bottom: 14px; overflow: hidden; display: none; }
#progress-overall-bar { height: 100%; background: linear-gradient(90deg, var(--sms-accent), var(--sms-accent-lt)); border-radius: 3px; width: 0%; transition: width .4s; }

.go-dashboard { display: inline-block; margin-top: 10px; background: var(--sms-accent); color: #fff; border: none; padding: 9px 20px; border-radius: 6px; cursor: pointer; font-family: 'Rajdhani', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }

.info-box { background: var(--sms-surface); border: 1px solid var(--sms-border); border-radius: 8px; padding: 16px; margin-top: 20px; }
.info-box h4 { font-size: 11px; font-weight: 600; letter-spacing: .1em; color: var(--sms-accent-lt); text-transform: uppercase; margin-bottom: 10px; }
.info-box ul { margin-left: 16px; }
.info-box ul li { font-family: 'Share Tech Mono', monospace; font-size: 11px; color: var(--sms-muted); margin-bottom: 4px; }

.day-actions { margin-top: 12px; }

/* ── FOOTER ── */
.footer {
  position: relative;
  z-index: 1;
  padding: 12px 0;
  border-top: 1px solid var(--sms-border);
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--sms-muted);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .charts-grid { grid-template-columns: 1fr; }
  .filters { flex-direction: column; }
  .live-grid { grid-template-columns: 1fr 1fr; }
}