/* KAV Mini App — Dark Gradient theme (variant C) */

:root {
    --bg: #0a0a0f;
    --card-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --text: #e0e0e0;
    --hint: #778899;
    --link: #64b5f6;
    --accent: #2979ff;
    --radius: 16px;
    --gap: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.hidden { display: none !important; }

.screen {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ─── Login ─── */
.login-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 16px;
}

.logo { margin-bottom: 8px; }

h1 { font-size: 24px; font-weight: 600; }

.subtitle { color: var(--hint); font-size: 14px; }

.status-text { color: var(--hint); font-size: 13px; min-height: 20px; text-align: center; }

.btn-primary {
    background: linear-gradient(135deg, #1565c0, #2979ff);
    color: #fff;
    border: none;
    border-radius: 14px;
    padding: 14px 48px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.btn-primary:active { opacity: 0.8; transform: scale(0.97); }
.btn-large { font-size: 17px; padding: 16px 56px; }

/* ─── Status card ─── */
.status-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 18px 20px;
    margin: 16px 16px 0;
    border: 1px solid rgba(255,255,255,0.06);
}

.status-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.status-card-title {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-chip {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 600;
}

.status-chip.online { background: rgba(76,175,80,0.15); color: #4caf50; }
.status-chip.offline { background: rgba(244,67,54,0.15); color: #f44336; }

.status-card-sub {
    color: var(--hint);
    font-size: 13px;
    margin-top: 6px;
}

/* ─── Screen header ─── */
.screen-header {
    font-size: 18px;
    font-weight: 600;
    padding: 16px 16px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ─── Control buttons ─── */
.controls-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    padding: 16px;
}

.ctrl-btn {
    height: 80px;
    border-radius: var(--radius);
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.1s;
    background: linear-gradient(135deg, #333, #444);
}

.ctrl-btn:active { transform: scale(0.96); }
.ctrl-btn:disabled { opacity: 0.3; pointer-events: none; }
.ctrl-btn i { font-size: 26px; }

.ctrl-btn.green { background: linear-gradient(135deg, #1b5e20, #2e7d32); }
.ctrl-btn.red { background: linear-gradient(135deg, #b71c1c, #c62828); }
.ctrl-btn.blue { background: linear-gradient(135deg, #0d47a1, #1565c0); }

/* ─── Wicket ─── */
.wicket-btn {
    margin: 0 16px 8px;
    padding: 16px;
    border-radius: var(--radius);
    border: none;
    background: linear-gradient(135deg, #4a148c, #6a1b9a);
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: transform 0.1s;
}

.wicket-btn:active { transform: scale(0.97); }
.wicket-btn i { font-size: 22px; }
.wicket-btn.wicket-open {
    background: linear-gradient(135deg, #0d47a1, #1565c0);
}

.wicket-btn.disabled {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: #555;
    pointer-events: none;
}

/* ─── Bottom nav ─── */
.bottom-nav {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
    padding: 16px;
    margin-top: auto;
}

.nav-btn {
    padding: 14px 8px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.06);
    background: linear-gradient(135deg, #1a1a2e, #0f3460);
    color: #8899aa;
    font-size: 12px;
    cursor: pointer;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.nav-btn i { font-size: 20px; }
.nav-btn:active { background: #1a2744; color: #fff; }

/* ─── Action status bar ─── */
.action-status {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin: 8px 16px;
    font-size: 14px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: opacity 0.3s;
}

.action-status i { font-size: 18px; }
.action-status.ok { background: rgba(76,175,80,0.15); color: #a5d6a7; }
.action-status.err { background: rgba(244,67,54,0.15); color: #ef9a9a; }
.action-status.warn { background: rgba(255,152,0,0.15); color: #ffcc02; }
.action-status.progress { background: rgba(41,121,255,0.12); color: #90caf9; }

/* ─── Settings menu ─── */
.settings-menu {
    padding: 0 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.settings-menu-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.06);
    background: var(--card-bg);
    color: var(--text);
    cursor: pointer;
    text-align: left;
    transition: transform 0.1s;
}

.settings-menu-btn:active { transform: scale(0.98); }

.settings-menu-btn > i:first-child {
    font-size: 24px;
    color: var(--link);
    width: 28px;
    text-align: center;
}

.settings-menu-btn > i:last-child {
    font-size: 16px;
    color: var(--hint);
    margin-left: auto;
}

.settings-menu-text { flex: 1; }
.settings-menu-title { font-size: 15px; font-weight: 600; }
.settings-menu-desc { font-size: 12px; color: var(--hint); margin-top: 2px; }

/* ─── Settings action buttons ─── */
.settings-actions {
    padding: 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.action-btn {
    flex: 1;
    min-height: 44px;
    height: 44px;
    border-radius: 12px;
    border: none;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform 0.1s;
}

.action-btn:active { transform: scale(0.97); }
.action-btn i { font-size: 16px; }
.action-btn.blue { background: linear-gradient(135deg, #0d47a1, #1565c0); }
.action-btn.green { background: linear-gradient(135deg, #1b5e20, #2e7d32); }
.action-btn.red { background: linear-gradient(135deg, #b71c1c, #c62828); }
.action-btn.purple { background: linear-gradient(135deg, #4a148c, #6a1b9a); }

/* ─── Content area ─── */
.content {
    flex: 1;
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px;
    margin: 0 16px;
    font-size: 14px;
    line-height: 1.8;
    overflow-y: auto;
    border: 1px solid rgba(255,255,255,0.06);
}

.content .label { color: var(--hint); }
.content .value { color: var(--text); font-weight: 500; }

/* ─── Config settings ─── */
.cfg-section {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 4px 12px 8px;
    margin-bottom: 10px;
}

.cfg-group {
    color: var(--link);
    margin: 8px 0 6px;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.cfg-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.cfg-label { color: var(--hint); font-size: 13px; min-width: 80px; flex-shrink: 0; }

.cfg-input {
    flex: 1;
    background: rgba(0,0,0,0.3);
    color: var(--text);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 14px;
    outline: none;
}

.cfg-input:focus { border-color: var(--accent); }
.cfg-num { max-width: 80px; }
.cfg-range { color: var(--hint); font-size: 11px; white-space: nowrap; }

.cfg-status { font-size: 14px; min-width: 20px; text-align: center; }
.cfg-modified { color: #ff9800; }
.cfg-ok { color: #4caf50; }
.cfg-err { color: #f44336; }
.cfg-restart { color: #ff9800; }

/* ─── Toggle switch ─── */
.toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.slider {
    position: absolute;
    inset: 0;
    background: rgba(100,180,246,0.15);
    border-radius: 24px;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    border: 2px solid rgba(100,180,246,0.35);
}

.slider::before {
    content: '';
    position: absolute;
    width: 16px; height: 16px;
    left: 2px; top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.5);
    border-radius: 50%;
    transition: transform 0.2s, background 0.2s;
}

.toggle input:checked + .slider { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .slider::before { transform: translate(20px, -50%); background: #fff; }

/* ─── Pults ─── */
.pult-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: background 0.2s, border-color 0.3s;
}

.pult-card:active { background: rgba(255,255,255,0.06); }

.pult-serial { font-family: monospace; font-size: 15px; font-weight: 600; flex: 1; }

.pult-badge {
    font-size: 12px;
    color: var(--hint);
    background: rgba(255,255,255,0.06);
    padding: 2px 8px;
    border-radius: 10px;
}

.pult-highlight {
    border-color: #4caf50 !important;
    background: rgba(76,175,80,0.1) !important;
}

.pult-btn-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.pult-btn-code {
    font-family: monospace;
    font-size: 14px;
    color: var(--link);
    min-width: 40px;
}

.pult-btn-action {
    flex: 1;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pult-btn-edit {
    background: none;
    border: none;
    color: var(--hint);
    font-size: 16px;
    cursor: pointer;
    padding: 4px 8px;
}

.pult-btn-edit:active { color: var(--link); }

/* Action selector in popup */
.action-select {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.action-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.action-option:active { background: rgba(255,255,255,0.08); }
.action-option.selected { border-color: var(--accent); background: rgba(41,121,255,0.12); }
.action-option i { font-size: 18px; }

.action-delete { color: #ef9a9a; }
.action-delete.selected { border-color: #f44336; background: rgba(244,67,54,0.12); }

/* ─── Confirm dialog ─── */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.confirm-box {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 24px;
    text-align: center;
    max-width: 280px;
    width: 90%;
}

.confirm-box p { margin-bottom: 20px; font-size: 16px; }
.confirm-box .confirm-buttons { display: flex; gap: 12px; }
.confirm-box .btn { flex: 1; padding: 12px; border: none; border-radius: 12px; font-size: 15px; font-weight: 500; cursor: pointer; }
.confirm-yes { background: linear-gradient(135deg, #b71c1c, #c62828); color: #fff; }
.confirm-no { background: rgba(255,255,255,0.08); color: var(--text); }
.confirm-yes:active, .confirm-no:active { opacity: 0.8; }