/* ==========================================================================
   BASE STYLE & THEME (Matte Deep Blue Fluid Backdrop)
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: #0f172a;
    color: #f1f5f9;
    min-height: 100vh;
}

.app-viewport {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: 
        radial-gradient(circle at 80% 20%, rgba(30, 41, 59, 0.5) 0%, transparent 50%),
        radial-gradient(circle at 10% 90%, rgba(15, 23, 42, 0.8) 0%, transparent 50%),
        linear-gradient(185deg, #0f172a 0%, #1e293b 100%);
}

/* ==========================================================================
   NEO DEVICE CARD (Skeuomorphic Framed Card)
   ========================================================================== */
.neo-device-card {
    background: #1e293b;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 32px;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.2),
        0 25px 50px -12px rgba(0, 0, 0, 0.5),
        inset 0 1px 1px rgba(255, 255, 255, 0.1);
    padding: 8px;
    animation: deviceEntrance 0.6s cubic-bezier(0.16, 1, 0.3, 1) ease;
}

/* Header Area */
.device-header {
    background: rgba(15, 23, 42, 0.4);
    border-radius: 26px 26px 12px 12px;
    padding: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.brand-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
    padding: 4px 12px;
    border-radius: 100px;
    margin-bottom: 16px;
    border: 1px solid rgba(56, 189, 248, 0.15);
}

.header-main-title {
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
    justify-content: center;
}

.icon-frame {
    width: 48px;
    height: 48px;
    background: #0f172a;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #38bdf8;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.5);
}

.title-text-group h2 {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
    color: #ffffff;
}

.title-text-group p {
    font-size: 12px;
    color: #64748b;
    margin-bottom: 0;
}

/* Body Area */
.device-body {
    padding: 24px 16px 16px 16px;
}

/* ==========================================================================
   INPUTS & ROWS (3D Recessed Style)
   ========================================================================== */
.control-row, .control-row-full {
    margin-bottom: 20px;
}

.control-label {
    font-size: 11px;
    font-weight: 700;
    color: #94a3b8;
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Input Combo (Input + Select) */
.neo-input-combo, .neo-input-full {
    display: flex;
    background: #0f172a;
    border-radius: 16px;
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.4),
        0 1px 0 rgba(255, 255, 255, 0.05);
    padding: 4px;
    align-items: center;
    transition: all 0.25s ease;
    border: 1px solid transparent;
}

.field-input {
    background: transparent !important;
    border: none !important;
    color: #ffffff !important;
    font-size: 16px;
    font-weight: 600;
    height: 44px;
    box-shadow: none !important;
    padding-left: 14px;
}

.field-input::placeholder {
    color: #334155;
}

.combo-divider {
    width: 1px;
    height: 24px;
    background: rgba(255, 255, 255, 0.08);
}

.field-select {
    background-color: transparent !important;
    border: none !important;
    color: #38bdf8 !important;
    font-weight: 700;
    font-size: 14px;
    width: 95px;
    flex-shrink: 0;
    box-shadow: none !important;
    cursor: pointer;
    text-align: center;
}

.field-full-select {
    background-color: transparent !important;
    border: none !important;
    color: #ffffff !important;
    font-weight: 600;
    font-size: 14px;
    height: 44px;
    box-shadow: none !important;
    cursor: pointer;
}

/* Active Highlight Focus */
.neo-input-combo:focus-within, .neo-input-full:focus-within {
    border-color: rgba(56, 189, 248, 0.4);
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.4),
        0 0 12px rgba(56, 189, 248, 0.15);
}

select option {
    background-color: #0f172a;
    color: #ffffff;
}

/* ==========================================================================
   BUTTONS INTERACTIVE
   ========================================================================== */
.action-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 12px;
    margin-top: 28px;
    margin-bottom: 24px;
}

.btn-action-submit {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: 48px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2);
    transition: all 0.2s ease;
}

.btn-action-submit:hover {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(2, 132, 199, 0.35);
}

.btn-action-submit:active {
    transform: translateY(1px);
}

.btn-action-reset {
    background: #334155;
    color: #94a3b8;
    border: 1px solid rgba(255, 255, 255, 0.05);
    height: 48px;
    border-radius: 14px;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.btn-action-reset:hover {
    background: #475569;
    color: #f1f5f9;
}

/* ==========================================================================
   LCD PANEL DISPLAY (High-Tech Digital Display Screen)
   ========================================================================== */
.lcd-panel-display {
    background: #020617;
    border: 1px solid #1e293b;
    border-radius: 20px;
    padding: 16px 20px;
    box-shadow: inset 0 3px 8px rgba(0,0,0,0.8);
    position: relative;
}

.lcd-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.lcd-status-dot {
    width: 6px;
    height: 6px;
    background-color: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 8px #22c55e;
    animation: blinker 2s linear infinite;
}

.lcd-title {
    font-size: 10px;
    font-weight: 700;
    color: #475569;
    letter-spacing: 1.5px;
}

.lcd-screen-content {
    background: radial-gradient(circle at 50% 50%, #15221e 0%, #0b100e 100%);
    border-radius: 12px;
    padding: 16px;
    border: 1px solid rgba(34, 197, 94, 0.08);
    text-align: right;
}

.lcd-value-row {
    font-family: monospace, sans-serif;
    font-size: 30px;
    font-weight: 700;
    color: #4ade80;
    text-shadow: 0 0 10px rgba(74, 222, 128, 0.4);
    letter-spacing: 0.5px;
    word-break: break-all;
}

.lcd-unit {
    font-size: 18px;
    color: rgba(74, 222, 128, 0.5);
    margin-left: 4px;
}

/* ==========================================================================
   ANIMATIONS & RESPONSIVE DESIGN
   ========================================================================== */
@keyframes deviceEntrance {
    from { opacity: 0; transform: translateY(16px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes blinker {
    50% { opacity: 0.4; }
}

@media (max-width: 576px) {
    .action-grid {
        grid-template-columns: 1fr;
    }
    .btn-action-submit {
        order: 1;
    }
    .btn-action-reset {
        order: 2;
    }
    .lcd-value-row {
        font-size: 24px;
    }
}