:root {
    --primary-color: #c3865f;
    --secondary-color: #8a8d91;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #3498db;
    --accent-color: #6f4e37;
    --dark-color: #1e1e2f;
    --darker-color: #121223;
    --light-color: #f4f4f8;
    --bg-color: #121223;
    --card-bg: #1e1e2f;
    --card-bg-hover: #252541;
    --text-color: #f4f4f8;
    --text-muted: #a7a9ac;
    --border-radius: 0.5rem;
    --border-color: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s ease;
}

:root.dark-mode {
    --bg-color: #000000;
    --text-color: #ffffff;
}

/* Twinkling Eyes for Dark Mode */
.eyes-container {
    position: absolute; /* Changed from fixed to absolute */
    top: 0;
    left: 0;
    width: 100%;
    min-height: 100%; /* Ensure it spans the full content height */
    pointer-events: none;
    z-index: 9999; /* In front of other content to ensure clicks work */
    display: none; /* Hidden by default */
    overflow: visible; /* Changed from hidden to allow eyes to be visible when scrolling */
    margin: 0;
    padding: 0;
}

:root.dark-mode .eyes-container {
    display: block; /* Show only in dark mode */
}

.eye-pair {
    position: absolute; /* Changed from fixed to absolute */
    display: flex;
    gap: 250px; /* Much more spacing between eyes for field of stars effect */
    padding: 0;
    box-sizing: border-box;
    will-change: transform;
}

.eye {
    width: 12px; /* Larger eyes */
    height: 12px;
    background-color: #ffffff;
    border-radius: 50%;
    box-shadow: 0 0 8px #ffffff, 0 0 15px #ffffff;
    position: relative;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
    /* Ensure eyes don't get cut off */
    flex-shrink: 0;
    /* Enable pointer events for clicking */
    pointer-events: auto;
    cursor: default; /* Show normal cursor */
}

/* Default red eyes when multiple pairs have been angered */
body.multiple-eyes-angered .eye {
    background-color: #ff0000;
    box-shadow: 0 0 8px #ff0000, 0 0 15px #ff0000 !important;
}

/* Hide eyes on loading overlay */
.loading-overlay ~ .eyes-container {
    display: none !important;
}

/* Eyelid styling */
.eyelid {
    position: absolute;
    top: -100%; /* Start above the eye */
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000000;
    border-radius: 50%;
    transition: top 0.1s ease;
}

/* Remove CSS animations since we're handling blinking with JavaScript */
.eye-pair:nth-child(1) .eyelid {
    animation: none;
}

.eye-pair:nth-child(2) .eyelid {
    animation: none;
}

.eye-pair:nth-child(3) .eyelid {
    animation: none;
}

.eye-pair:nth-child(4) .eyelid {
    animation: none;
}

.eye-pair:nth-child(5) .eyelid {
    animation: none;
}

.eye-pair:nth-child(6) .eyelid {
    animation: none;
}

.eye-pair:nth-child(7) .eyelid {
    animation: none;
}

/* Red eye effect */
.eye.clicked {
    background-color: #ff0000 !important;
    box-shadow: 0 0 20px #ff0000, 0 0 40px #ff0000 !important;
}

/* Escalating shaking animations for eye pairs */
.eye-pair.shake {
    animation: shakeLevel1 0.5s infinite;
}

/* Adjust animation for each pair to match their rotation */
.eye-pair:nth-child(1).shake {
    animation: shakeLevel1 0.5s infinite;
}

.eye-pair:nth-child(2).shake {
    animation: shakeLevel2 0.4s infinite;
}

.eye-pair:nth-child(3).shake {
    animation: shakeLevel3 0.3s infinite;
}

.eye-pair:nth-child(4).shake {
    animation: shakeLevel4 0.2s infinite;
}

.eye-pair:nth-child(5).shake {
    animation: shakeLevel5 0.1s infinite;
}

.eye-pair:nth-child(6).shake {
    animation: shakeLevel4 0.2s infinite;
}

.eye-pair:nth-child(7).shake {
    animation: shakeLevel3 0.3s infinite;
}

@keyframes shakeLevel1 {
    0% { transform: translate(0, 0); }
    25% { transform: translate(-2px, -1px); }
    50% { transform: translate(2px, 1px); }
    75% { transform: translate(-2px, 1px); }
    100% { transform: translate(0, 0); }
}

@keyframes shakeLevel2 {
    0% { transform: translate(0, 0); }
    16% { transform: translate(-4px, -2px); }
    33% { transform: translate(4px, 2px); }
    50% { transform: translate(-4px, 2px); }
    66% { transform: translate(4px, -2px); }
    83% { transform: translate(-2px, 1px); }
    100% { transform: translate(0, 0); }
}

@keyframes shakeLevel3 {
    0% { transform: translate(0, 0); }
    12% { transform: translate(-6px, -3px); }
    25% { transform: translate(6px, 3px); }
    37% { transform: translate(-6px, 3px); }
    50% { transform: translate(6px, -3px); }
    62% { transform: translate(-4px, 2px); }
    75% { transform: translate(4px, -2px); }
    87% { transform: translate(-2px, 1px); }
    100% { transform: translate(0, 0); }
}

@keyframes shakeLevel4 {
    0% { transform: translate(0, 0); }
    10% { transform: translate(-8px, -4px); }
    20% { transform: translate(8px, 4px); }
    30% { transform: translate(-8px, 4px); }
    40% { transform: translate(8px, -4px); }
    50% { transform: translate(-6px, 3px); }
    60% { transform: translate(6px, -3px); }
    70% { transform: translate(-4px, 2px); }
    80% { transform: translate(4px, -2px); }
    90% { transform: translate(-2px, 1px); }
    100% { transform: translate(0, 0); }
}

@keyframes shakeLevel5 {
    0% { transform: translate(0, 0); }
    9% { transform: translate(-10px, -5px); }
    18% { transform: translate(10px, 5px); }
    27% { transform: translate(-10px, 5px); }
    36% { transform: translate(10px, -5px); }
    45% { transform: translate(-8px, 4px); }
    54% { transform: translate(8px, -4px); }
    63% { transform: translate(-6px, 3px); }
    72% { transform: translate(6px, -3px); }
    81% { transform: translate(-4px, 2px); }
    90% { transform: translate(4px, -2px); }
    95% { transform: translate(-2px, 1px); }
    100% { transform: translate(0, 0); }
}

@keyframes twinkle {
    0%, 100% { 
        opacity: 0.3; 
        transform: scale(0.9);
    }
    50% { 
        opacity: 1; 
        transform: scale(1.1);
    }
}

/* Different animation delays for each eye pair for a more natural effect */
.eye-pair:nth-child(1) .eye {
    animation-delay: 0s;
}

.eye-pair:nth-child(2) .eye {
    animation-delay: 1.8s;
}

.eye-pair:nth-child(3) .eye {
    animation-delay: 3.2s;
}

.eye-pair:nth-child(4) .eye {
    animation-delay: 2.5s;
}

.eye-pair:nth-child(5) .eye {
    animation-delay: 1.3s;
}

body {
    background-color: var(--bg-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    padding-bottom: 2rem;
    overflow-x: hidden; /* Prevent horizontal scroll from eyes */
}

.container-fluid {
    max-width: 1400px;
    padding: 0 1.5rem;
}

header h1 {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 3.5rem;
}

.status-bar {
    position: sticky;
    top: 0;
    background-color: var(--card-bg);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 100;
    display: flex;
    align-items: center;
}

.status-container {
    display: flex;
    align-items: center;
}

.status-icon {
    font-size: 1.5rem;
    margin-right: 0.75rem;
    color: var(--primary-color);
}

.status-text {
    display: flex;
    flex-direction: column;
}

.status-details {
    font-size: 0.85rem;
    color: var(--secondary-color);
}

.stepper-container {
    max-width: 800px;
    margin: 0 auto 2rem auto;
}

.stepper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding: 0;
    position: relative;
}

.stepper::before {
    content: '';
    position: absolute;
    top: 18px;
    left: 18px;
    right: 18px;
    height: 2px;
    background-color: var(--border-color);
    z-index: 1;
}

.stepper-item {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 5;
    background-color: var(--bg-color);
    padding: 0 0.5rem;
}

.stepper-line {
    display: none;
}

.stepper-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--secondary-color);
    transition: var(--transition);
    position: relative;
    z-index: 5;
    flex-shrink: 0;
}

.stepper-circle.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.stepper-circle.completed {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.stepper-labels {
    display: flex;
    justify-content: space-between;
    padding: 0;
}

.stepper-labels div {
    flex: 1;
    font-size: 0.875rem;
    color: var(--secondary-color);
    font-weight: 500;
    padding: 0 4px;
    text-align: center;
}

.step-container {
    display: none;
    margin-bottom: 2rem;
}

.step-container.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

h2 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.card {
    border: none;
    border-radius: 0;
    background-color: var(--bg-color);
    box-shadow: none;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
}

.card-body {
    background-color: transparent;
}

.card:hover {
    background-color: var(--bg-color);
}

.settings-card, .choice-card {
    background-color: var(--bg-color);
    box-shadow: none;
    border: none;
    border-radius: 0;
}

.card-title {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.device-card {
    cursor: pointer;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid transparent;
}

.device-card:hover {
    transform: translateY(-5px);
}

.device-card.selected {
    border-color: var(--primary-color);
    background-color: rgba(13, 110, 253, 0.05);
}

.device-name {
    font-weight: 600;
    color: var(--primary-color);
}

.chip-details {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.chip-details span {
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    color: var(--secondary-color);
}

.chip-details i {
    margin-right: 0.25rem;
}

.navigation-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
}

.binary-type-toggle {
    display: flex;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.binary-type-toggle .btn {
    flex: 1;
    text-align: center;
    border: none;
    border-radius: 0;
    padding: 0.5rem;
    color: var(--secondary-color);
    background: transparent;
    transition: var(--transition);
}

.binary-type-toggle .btn:hover {
    color: var(--primary-color);
}

.binary-type-toggle .btn.active {
    color: var(--primary-color);
    font-weight: 500;
    border-bottom: 2px solid var(--primary-color);
}

.firmware-upload {
    padding: 1rem 0;
}

.custom-file-upload {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 1rem;
}

.custom-file-upload:hover {
    border-color: var(--primary-color);
    background-color: rgba(13, 110, 253, 0.05);
}

.custom-file-upload span {
    display: flex;
    align-items: center;
    color: var(--secondary-color);
}

.custom-file-upload i {
    margin-right: 0.5rem;
    font-size: 1.25rem;
}

input[type="file"] {
    display: none;
}

.file-info {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.file-badge {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success-color);
    margin-left: 0.5rem;
}

.progress {
    height: 0.75rem;
    border-radius: var(--border-radius);
}

.status-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-connected {
    background-color: var(--success-color);
}

.status-disconnected {
    background-color: var(--secondary-color);
}

.status-flashing {
    background-color: var(--warning-color);
    animation: pulse 1.5s infinite;
}

.status-warning {
    background-color: var(--warning-color);
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

.action-buttons {
    display: flex;
    gap: 0.75rem;
}

#chipInfo {
    padding: 0.75rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    display: flex;
    align-items: center;
}

:root.dark-mode .stepper::before {
    background-color: var(--border-color);
}
:root.dark-mode .stepper-circle {
    background-color: var(--bg-color);
    border-color: var(--border-color);
    color: var(--text-color);
}
:root.dark-mode .stepper-circle.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}
:root.dark-mode .stepper-circle.completed {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: #fff;
}
:root.dark-mode .stepper-labels div {
    color: var(--text-muted);
}
:root.dark-mode select.form-select option {
    background-color: var(--bg-color);
    color: var(--text-color);
}
:root.dark-mode .form-select:focus {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(195, 134, 95, 0.25);
}

:root.dark-mode .form-select,
:root.dark-mode select.form-select {
  background-color: var(--bg-color) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-color) !important;
}
:root.dark-mode .form-select:focus,
:root.dark-mode select.form-select:focus {
  background-color: var(--bg-color) !important;
  color: var(--text-color) !important;
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(195, 134, 95, 0.25) !important;
}
:root.dark-mode .form-select option,
:root.dark-mode select.form-select option {
  background-color: var(--bg-color) !important;
  color: var(--text-color) !important;
}

:root.dark-mode .form-select,
:root.dark-mode select.form-select {
  background-color: var(--bg-color) !important;
  color: var(--text-color) !important;
  border-color: var(--border-color) !important;
}

:root.dark-mode .form-select:focus,
:root.dark-mode select.form-select:focus {
  background-color: var(--bg-color) !important;
  color: var(--text-color) !important;
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(195, 134, 95, 0.25) !important;
}

:root.dark-mode .form-select option,
:root.dark-mode select.form-select option {
  background-color: var(--bg-color) !important;
  color: var(--text-color) !important;
}

#terminal-container {
    background-color: var(--bg-color);
    color: var(--text-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-top: 2rem;
    border: 1px solid var(--border-color);
}

:root.dark-mode #terminal-container {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.terminal-header {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
}

.terminal-header h5 {
    margin: 0;
    font-size: 1rem;
    color: #fff;
    display: flex;
    align-items: center;
}

.terminal-header h5 i {
    margin-right: 0.5rem;
}

#terminal {
    height: 200px;
    overflow-y: auto;
    padding: 1rem;
    margin: 0;
    font-family: Consolas, Monaco, 'Andale Mono', monospace;
    font-size: 0.875rem;
}

footer {
    margin-top: 2rem;
    color: var(--secondary-color);
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Specific rule for Step 1 navigation buttons */
#step1 .navigation-buttons {
    justify-content: flex-end;
}

@media (max-width: 768px) {
    .chip-details {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .binary-type-toggle {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .binary-type-toggle .btn {
        padding: 0.75rem;
        margin-bottom: 0.5rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .binary-type-toggle .btn.active {
        border-bottom: 1px solid var(--primary-color);
    }
}

.card-text {
    color: var(--text-muted);
}

.form-select, .form-control {
    background-color: var(--darker-color);
    border-color: var(--border-color);
    color: var(--text-color);
}

/* Style for the Show More/Less button */
.btn-outline-espresso {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background-color: transparent;
}

.btn-outline-espresso:hover {
    color: var(--bg-color); /* Use bg color for text on hover */
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Flash Summary Styling */
.flash-summary-box {
    padding: 1rem;
    background-color: var(--darker-color);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.summary-item {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.summary-item:last-child {
    margin-bottom: 0;
}

.summary-item i {
    color: var(--primary-color);
    font-size: 1.1rem;
    min-width: 25px;
}

.summary-item .text-warning,
.summary-item .text-warning i {
    color: var(--warning-color) !important;
}

/* Modal Styling for Dark Theme */
.modal-content {
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

:root.dark-mode .modal-content {
    background-color: var(--bg-color);
    color: var(--text-color);
    border-color: var(--border-color);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
}

.modal-header .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.modal-title {
    color: var(--primary-color);
}

.modal-body {
    color: var(--text-color);
}

.modal-body .alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: rgba(231, 76, 60, 0.3);
    color: var(--danger-color);
}

.modal-body ul {
    list-style: none;
    padding-left: 1rem;
}

.modal-body li::before {
    content: "\2022";
    color: var(--primary-color);
    font-weight: bold;
    display: inline-block; 
    width: 1em;
    margin-left: -1em;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

.modal-footer .btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: #fff;
}

.modal-footer .btn-secondary:hover {
    background-color: #7a7d80; /* Slightly darker secondary */
    border-color: #7a7d80;
}

/* Help Diagram Styles */
.help-diagram {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    margin-top: 1.5rem;
    border: 1px solid var(--border-color);
}

:root.dark-mode .help-diagram {
    background-color: var(--bg-color);
    border-color: var(--border-color);
}

.help-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-width: 80px; /* Ensure minimum width for steps */
}

.help-step i {
    font-size: 2.5rem; /* Larger icons */
    color: var(--info-color); /* Consistent info color */
    margin-bottom: 0.5rem;
}

.help-step p {
    font-size: 0.8rem;
    color: var(--text-color);
    margin-bottom: 0;
    line-height: 1.2;
}

:root.dark-mode .help-step p {
    color: var(--text-color);
}

.help-arrow {
    font-size: 1.5rem;
    color: var(--info-color); /* Consistent info color */
    flex-shrink: 0; /* Prevent arrows from shrinking */
}

/* Responsive adjustments for diagrams */
@media (max-width: 768px) {
    .help-diagram {
        justify-content: center; /* Center items when wrapped */
        gap: 0.5rem 1.5rem; /* Adjust gap for wrapped layout */
    }
    .help-arrow {
         /* Hide arrows on small screens or rotate them if preferred */
         /* display: none; */ 
         transform: rotate(90deg); /* Example: Rotate arrows down */
         margin: 0.5rem 0;
    }
    .help-step {
        min-width: 60px; /* Adjust width for smaller screens */
    }
     .help-step i {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .help-diagram {
         padding: 1rem;
         gap: 0.5rem 1rem;
    }
}

/* Styles for Step 3 Primary Choice */
.firmware-choice-row {
    margin-bottom: 1.5rem;
}

.choice-card {
    cursor: pointer;
    height: 100%;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    background-color: var(--card-bg); /* Use card background */
}

.choice-card:hover {
    border-color: var(--primary-color);
    background-color: var(--card-bg-hover); /* Use card hover */
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.choice-card.selected {
    border-color: var(--success-color); /* Use success color for selection */
    background-color: rgba(46, 204, 113, 0.08); /* Light success background */
    box-shadow: 0 0 10px rgba(46, 204, 113, 0.3); /* Subtle glow */
}

.choice-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.choice-card .card-title {
    color: var(--text-color); /* Ensure title color matches */
    margin-bottom: 0.5rem;
}

/* Styles for Download Subsections within the card */
.download-subsection {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: 1rem;
}

.download-subsection:first-of-type {
    border-top: none; /* No top border for the first subsection if needed */
    margin-top: 0;
    padding-top: 0;
}

#ghostEspStatus {
    font-style: italic;
    color: var(--secondary-color); /* Muted color for status */
}
#ghostEspStatus.loading {
    color: var(--warning-color); /* Warning color when loading */
}
#ghostEspStatus.error {
    color: var(--danger-color); /* Danger color on error */
}
#ghostEspStatus.success {
    color: var(--success-color); /* Success color on completion */
}

/* Dark-mode select overrides */
:root.dark-mode select,
:root.dark-mode .form-select,
:root.dark-mode select.form-select {
  background-color: var(--bg-color) !important;
  color: var(--text-color) !important;
  border: 1px solid var(--border-color) !important;
}

:root.dark-mode select option,
:root.dark-mode .form-select option,
:root.dark-mode select.form-select option {
  background-color: var(--bg-color) !important;
  color: var(--text-color) !important;
}

:root.dark-mode select:focus,
:root.dark-mode .form-select:focus,
:root.dark-mode select.form-select:focus {
  background-color: var(--bg-color) !important;
  color: var(--text-color) !important;
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(195, 134, 95, 0.25) !important;
}