/* 
   AIOC Web Flasher & Configurator Stylesheet
   Re-styled to match the visual design system of na6d.com (Shopify Colorblock Theme)
   Featuring warm cream/beige background, uppercase Jost typography, thick black borders, 
   sharp square corners (0px radius), and high-contrast blue/orange solid color blocks.
*/

@import url('https://fonts.googleapis.com/css2?family=Jost:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=Roboto+Mono:wght@400;500&display=swap');

:root {
    /* na6d.com Color Palette */
    --bg-base: #fff8e7;          /* Warm Cream/Beige */
    --bg-card: #ffffff;          /* Pure White for cards */
    --bg-input: #ffffff;         /* Input Background */
    --bg-terminal: #fffdf9;      /* Warm white terminal view for logs */
    
    --color-charcoal: #2a2b2a;   /* Deep Dark Charcoal for text and borders */
    --color-blue: #4b9ad2;       /* Sky/Steel Blue for primary buttons/accents */
    --color-orange: #ff430a;     /* Vermillion Orange for links/active accents */
    --color-shadow: #625f55;     /* Slate-taupe shadow color */
    
    --text-primary: #2a2b2a;
    --text-secondary: #575857;
    --text-muted: #808180;
    
    --status-success: #10b981;
    --status-warning: #f59e0b;
    --status-error: #ef4444;
    
    --border-color: #2a2b2a;
    --border-width-thick: 3px;
    --border-width-thin: 2px;
    
    --font-sans: 'Jost', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 2rem 1.5rem;
    overflow-x: hidden;
    line-height: 1.4;
    font-weight: 500;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Warning Banner - brutalist styled */
.warning-banner {
    background: #fee2e2;
    border: var(--border-width-thick) solid var(--color-charcoal);
    color: var(--color-charcoal);
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 4px 4px 0px var(--color-charcoal);
}

.warning-banner[hidden] {
    display: none !important;
}

/* Header */
header {
    margin-bottom: 3rem;
    text-align: center;
    border-bottom: var(--border-width-thick) solid var(--color-charcoal);
    padding-bottom: 2rem;
    background: #ffffff;
    border: var(--border-width-thick) solid var(--color-charcoal);
    padding: 2.5rem;
    box-shadow: 6px 6px 0px var(--color-charcoal);
}

.header-logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 0.75rem;
}

.header-logo {
    height: 48px;
    width: auto;
    border: var(--border-width-thin) solid var(--color-charcoal);
    background: #ffffff;
}

header h1 {
    font-size: 2.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

/* Tab Navigation - Brutalist Flat Block buttons */
.tab-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.tab-btn {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.8rem 1.8rem;
    background: #ffffff;
    border: var(--border-width-thick) solid var(--color-charcoal);
    color: var(--text-primary);
    border-radius: 0px; /* Sharp corners */
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 4px 4px 0px var(--color-charcoal);
}

.tab-btn:hover {
    background: var(--color-blue);
    color: #ffffff;
}

.tab-btn:active {
    background: var(--color-orange);
    color: #ffffff;
}

.tab-btn.active {
    background: var(--color-orange);
    color: #ffffff;
}

/* Layout Grid */
.layout-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 2.5rem;
    align-items: start;
}

@media (max-width: 968px) {
    .layout-grid {
        grid-template-columns: 1fr;
    }
}

/* Panels */
.panel {
    display: none;
    flex-direction: column;
    gap: 2rem;
}

.panel.active {
    display: flex;
}

/* Cards - Brutalist border & shadow */
.card {
    background: var(--bg-card);
    border: var(--border-width-thick) solid var(--color-charcoal);
    border-radius: 0px; /* Sharp corners */
    padding: 2rem;
    box-shadow: 6px 6px 0px var(--color-charcoal);
    transition: var(--transition-normal);
}

.card:hover {
    border-color: var(--color-blue);
}

.card-title {
    font-size: 1.35rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: var(--border-width-thick) solid var(--color-charcoal);
    padding-bottom: 1rem;
    color: var(--text-primary);
}

/* Status Labels */
.status-pill {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.4rem 1rem;
    border: var(--border-width-thin) solid var(--color-charcoal);
    border-radius: 0px; /* Sharp corners */
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-disconnected {
    background: #fee2e2;
    color: #b91c1c;
}

.status-connected {
    background: #d1fae5;
    color: #047857;
}

/* Forms & Inputs */
.form-section {
    margin-bottom: 2rem;
    border-bottom: var(--border-width-thin) dashed rgba(42, 43, 42, 0.15);
    padding-bottom: 1.5rem;
}

.form-section:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
}

.form-section-title {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-orange);
    margin-bottom: 1.25rem;
}

.form-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
}

@media (max-width: 640px) {
    .form-row {
        flex-direction: column;
        gap: 1rem;
    }
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

input[type="text"],
input[type="number"],
select {
    width: 100%;
    font-family: var(--font-sans);
    font-weight: 500;
    background: var(--bg-input);
    border: var(--border-width-thin) solid var(--color-charcoal);
    color: var(--text-primary);
    padding: 0.7rem 0.9rem;
    border-radius: 0px; /* Sharp corners */
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
    outline: none;
    background: #fffdf9;
    border-color: var(--color-blue);
    box-shadow: 2px 2px 0px var(--color-charcoal);
}

input:disabled,
select:disabled,
button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Checkbox Grid styling */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
    background: rgba(255, 248, 231, 0.4);
    padding: 1.25rem;
    border: var(--border-width-thin) solid var(--color-charcoal);
    border-radius: 0px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-orange);
    border: var(--border-width-thin) solid var(--color-charcoal);
    border-radius: 0px;
    cursor: pointer;
}

/* Preset Helpers */
.preset-row {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.btn-preset {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.6rem 1rem;
    background: #ffffff;
    border: var(--border-width-thin) solid var(--color-charcoal);
    color: var(--text-primary);
    border-radius: 0px;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 2px 2px 0px var(--color-charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex: 1 1 auto;
    min-width: 130px;
}

.btn-preset:hover:not(:disabled) {
    background: var(--color-blue);
    color: #ffffff;
}

/* Action Buttons Grid */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.9rem 1.2rem;
    border-radius: 0px; /* Sharp corners */
    cursor: pointer;
    transition: var(--transition-fast);
    border: var(--border-width-thick) solid var(--color-charcoal);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    box-shadow: 4px 4px 0px var(--color-charcoal);
}

.btn-primary {
    background-color: var(--color-blue);
    color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-orange);
}

.btn-primary:active:not(:disabled) {
    box-shadow: 0px 0px 0px var(--color-charcoal);
}

.btn-secondary {
    background-color: #ffffff;
    color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
    background-color: #f1f5f9;
}

.btn-secondary:active:not(:disabled) {
    box-shadow: 0px 0px 0px var(--color-charcoal);
}

.btn-accent {
    background-color: var(--color-orange);
    color: #ffffff;
}

.btn-accent:hover:not(:disabled) {
    background-color: var(--color-blue);
}

.btn-accent:active:not(:disabled) {
    box-shadow: 0px 0px 0px var(--color-charcoal);
}

.btn-danger {
    background-color: #fee2e2;
    color: #b91c1c;
}

.btn-danger:hover:not(:disabled) {
    background-color: #fca5a5;
}

.btn-danger:active:not(:disabled) {
    box-shadow: 0px 0px 0px var(--color-charcoal);
}

/* File Upload Zone */
.upload-zone {
    border: var(--border-width-thick) dashed var(--color-charcoal);
    border-radius: 0px; /* Sharp corners */
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    background: #ffffff;
    margin-bottom: 2rem;
    position: relative;
    box-shadow: 4px 4px 0px var(--color-charcoal);
}

.upload-zone:hover:not(.disabled) {
    background: rgba(75, 154, 210, 0.05);
    border-style: solid;
}

.upload-zone.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.upload-zone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-zone.disabled input[type="file"] {
    cursor: not-allowed;
}

.upload-icon {
    font-size: 2.5rem;
    color: var(--color-charcoal);
    margin-bottom: 0.75rem;
    display: block;
}

#file-info {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

/* Device info box */
.device-info-box {
    background: rgba(255, 248, 231, 0.5);
    border: var(--border-width-thin) solid var(--color-charcoal);
    border-radius: 0px;
    padding: 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-primary);
    white-space: pre-wrap;
    margin-bottom: 2rem;
    box-shadow: 3px 3px 0px var(--color-charcoal);
}

/* Progress bar - Flat bold block style */
progress {
    width: 100%;
    height: 24px;
    border-radius: 0px;
    overflow: hidden;
    appearance: none;
    border: var(--border-width-thick) solid var(--color-charcoal);
    background: #ffffff;
    margin: 1.5rem 0;
    box-shadow: 3px 3px 0px var(--color-charcoal);
}

progress::-webkit-progress-bar {
    background: #ffffff;
}

progress::-webkit-progress-value {
    background-color: var(--color-blue);
    border-right: var(--border-width-thin) solid var(--color-charcoal);
}

progress::-moz-progress-bar {
    background-color: var(--color-blue);
    border-right: var(--border-width-thin) solid var(--color-charcoal);
}

/* Console Logger */
.console-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    min-height: 550px;
}

.terminal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    border-bottom: var(--border-width-thick) solid var(--color-charcoal);
    padding-bottom: 1rem;
}

.terminal-title {
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.terminal-title::before {
    content: "";
    display: inline-block;
    width: 10px;
    height: 10px;
    background: var(--color-orange);
    border: 1px solid var(--color-charcoal);
}

.terminal-wrapper {
    flex: 1;
    background: var(--bg-terminal);
    border: var(--border-width-thick) solid var(--color-charcoal);
    border-radius: 0px;
    padding: 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    overflow-y: auto;
    max-height: 600px;
    min-height: 400px;
    box-shadow: 4px 4px 0px var(--color-charcoal);
}

/* Log Levels colors - high contrast over light terminal */
.log-entry {
    margin-bottom: 0.5rem;
    line-height: 1.4;
    word-break: break-all;
}

.log-time {
    color: var(--text-muted);
    user-select: none;
    margin-right: 8px;
}

.log-info .log-msg {
    color: var(--text-primary);
}

.log-warning .log-msg {
    color: #b45309; /* Dark Amber/Orange */
}

.log-error .log-msg {
    color: #b91c1c; /* Dark Red */
    font-weight: 700;
}

.log-success .log-msg {
    color: #047857; /* Dark Green */
    font-weight: 700;
}

.log-debug .log-msg {
    color: var(--text-muted);
}

/* Custom Scrollbar for Terminal */
.terminal-wrapper::-webkit-scrollbar {
    width: 10px;
}

.terminal-wrapper::-webkit-scrollbar-track {
    background: rgba(255, 248, 231, 0.4);
    border-left: var(--border-width-thin) solid var(--color-charcoal);
}

.terminal-wrapper::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border: 2px solid #fff8e7;
}

.terminal-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--color-shadow);
}

/* Collapsible Advanced Settings details/summary */
details {
    background: rgba(255, 248, 231, 0.3);
    border: var(--border-width-thin) solid var(--color-charcoal);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

details[open] {
    background: rgba(255, 248, 231, 0.55);
}

summary {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    cursor: pointer;
    outline: none;
    user-select: none;
    display: list-item;
}

summary:hover {
    color: var(--color-blue);
}

/* Dropdown for firmware selection */
.firmware-select-group {
    margin-bottom: 1.5rem;
}