/* General Reset & Layout Rules */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border-radius: 0 !important; /* Enforce zero border radius strictly */
}

:root {
    --bg-main: #0c0c0e;
    --bg-panel: #141416;
    --bg-input: #080809;
    --border-color: #2b2b30;
    --border-highlight: #4ade80;
    
    --text-primary: #e4e4e7;
    --text-muted: #71717a;
    --text-warn: #fb923c;
    --text-success: #4ade80;
    
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.5;
    overflow: hidden;
    height: 100vh;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border: 1px solid var(--bg-main);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-highlight);
}

/* Main Container */
.terminal-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    border: 2px solid var(--border-color);
}

/* Header */
.terminal-header {
    background-color: var(--bg-panel);
    border-bottom: 2px solid var(--border-color);
    padding: 8px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 38px;
}
.header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}
.status-indicator {
    width: 8px;
    height: 8px;
    display: inline-block;
}
.status-indicator.online {
    background-color: var(--text-success);
}
.system-title {
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}
.uptime-label {
    color: var(--text-muted);
}

/* Main Grid Workspace */
.terminal-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    flex-grow: 1;
    overflow: hidden;
}

/* Panel Design */
.panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.left-panel {
    border-right: 2px solid var(--border-color);
}
.panel-header {
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    padding: 6px 16px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-muted);
}
.panel-body {
    padding: 16px;
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.panel-divider {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 8px 0;
}

/* Console Block and Logs */
.console-block {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 12px;
    font-size: 12px;
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 250px;
}
.console-prefix {
    color: var(--border-highlight);
    font-weight: bold;
}
.console-text {
    padding-left: 10px;
}
.text-dim {
    color: var(--text-muted);
}
.text-warn {
    color: var(--text-warn);
}
.text-success {
    color: var(--text-success);
}

.log-output p {
    margin-bottom: 4px;
}

/* Cipher boxes */
.label-heading {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: bold;
    letter-spacing: 0.5px;
}
.cipher-display-box {
    background-color: var(--bg-input);
    border: 1px dashed var(--border-color);
    padding: 12px;
    color: var(--text-primary);
    word-break: break-all;
    font-size: 12px;
    max-height: 180px;
    overflow-y: auto;
}
.output-display-box {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 12px;
    color: var(--text-primary);
    font-size: 13px;
    white-space: pre-wrap;
    word-break: break-all;
    min-height: 100px;
    max-height: 180px;
    overflow-y: auto;
}
.output-display-box.decrypted-success {
    border-color: var(--border-highlight);
    color: var(--text-success);
}

/* Input Fields */
.control-row {
    display: flex;
    gap: 16px;
}
.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-grow: 1;
}
.input-group label {
    font-size: 11px;
    font-weight: bold;
    color: var(--text-muted);
}
.input-group input[type="text"] {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    font-family: var(--font-mono);
    font-size: 14px;
    outline: none;
    text-transform: uppercase;
}
.input-group input[type="text"]:focus {
    border-color: var(--border-highlight);
    box-shadow: 0 0 0 1px var(--border-highlight);
}

/* Vigenere Grid CSS */
.grid-widget-container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.table-scroll-wrapper {
    flex-grow: 1;
    overflow: auto;
    border: 1px solid var(--border-color);
    background-color: var(--bg-input);
}
.vigenere-table {
    border-collapse: collapse;
    font-size: 10px;
    text-align: center;
    width: max-content;
}
.vigenere-table td, .vigenere-table th {
    border: 1px solid var(--border-color);
    width: 20px;
    height: 20px;
    min-width: 20px;
    font-weight: normal;
}
.vigenere-table th {
    background-color: var(--bg-panel);
    color: var(--text-muted);
    font-weight: bold;
}
.vigenere-table th.highlight-header {
    background-color: var(--border-color);
    color: var(--border-highlight);
}
.vigenere-table td.highlight-cell {
    background-color: rgba(74, 222, 128, 0.15);
    color: var(--text-success);
    font-weight: bold;
}

/* Footer & Buttons */
.terminal-footer {
    background-color: var(--bg-panel);
    border-top: 2px solid var(--border-color);
    padding: 6px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 38px;
}
.footer-left, .footer-right {
    font-size: 11px;
    color: var(--text-muted);
}
.btn-terminal {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 4px 16px;
    cursor: pointer;
    outline: none;
}
.btn-terminal:hover {
    border-color: var(--border-highlight);
    background-color: var(--border-highlight);
    color: var(--bg-main);
    font-weight: bold;
}

/* Diagnostic Modal overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.modal-overlay.hidden {
    display: none;
}
.modal-content {
    background-color: var(--bg-panel);
    border: 2px solid var(--border-color);
    width: 600px;
    max-width: 90%;
    display: flex;
    flex-direction: column;
}
.modal-header {
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    letter-spacing: 0.5px;
}
.btn-close {
    padding: 0 8px;
    font-size: 16px;
    line-height: 1;
}
.modal-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.progress-bar-container {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    height: 16px;
    width: 100%;
}
.progress-bar {
    background-color: var(--border-highlight);
    height: 100%;
    width: 0%;
    transition: width 0.1s linear;
}
.results-console {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 12px;
    font-size: 11px;
    height: 200px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}