/* OopisOS v5.1 Main Style Sheet */
/* Design Tokens (Root Variables) */

:root {
    --color-text-primary: #00ff5b;
    --color-text-secondary: #a3a3a3;
    --color-text-subtle: #737373;
    --color-text-link: #2dd4bf;
    --color-text-link-hover: #0a3b36;

    --color-accent-sky: #38bdf8;
    --color-accent-amber: #fbbF24;
    --color-accent-lime: #a3e635;
    --color-accent-green: #52cf05;

    --color-success: var(--color-accent-lime);
    --color-warning: var(--color-accent-amber);
    --color-error: #ef4444;
    --color-info: var(--color-accent-sky);
    --color-background-darkest: #0a0a0a;
    --color-background-dark: #1a1a1a;
    --color-background-medium: #27272a;
    --color-background-light: #3f3f46;
    --color-border-primary: #52525b;
    --color-border-secondary: #3f3f46;

    --font-family-mono: 'VT323', monospace;
    --font-family-sans: 'Inter', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --line-height-base: 1.5;
    --line-height-terminal: 1.35;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-width: 1px;
    --border-width-thick: 2px;

    --shadow-inset-light: inset 0 0 10px rgba(0, 255, 0, 0.1);
    --shadow-inset-dark: inset 0 0 15px rgba(0, 0, 0, 0.5);
    --shadow-drop-medium: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* 2. Base & Reset Styles */

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

html {
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family-mono), monospace;
    background-color: var(--color-background-dark);
    color: var(--color-text-primary);
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* 3. Layout Architecture */

#app-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: var(--spacing-md);
}

#main-column {
    display: flex;
    flex-direction: column;
    width: 100%;
    aspect-ratio: 4 / 3;
    min-width: 480px;
    min-height: 360px;
    max-width: 95%;
    max-height: 100%;
}

#main-footer {
    flex-shrink: 0;
    text-align: center;
    font-family: var(--font-family-mono), monospace;
    font-size: clamp(0.75rem, 1.6vw, 1.125rem);
    white-space: nowrap;
    overflow: hidden;
    color: var(--color-text-primary);
    padding-top: var(--spacing-sm);
}

#main-footer a {
    color: var(--color-text-link);
    text-decoration: none;
}

#main-footer a:hover {
    text-decoration: underline;
    color: var(--color-text-link-hover);
}

#terminal-bezel {
    flex-grow: 1;
    display: flex;
    background-color: var(--color-background-medium);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-inset-dark), var(--shadow-drop-medium);
    min-height: 0;
    width: 100%;
    padding: var(--spacing-lg);
    position: relative;
}

/* 4. Terminal Component (BEM-like) */

.terminal {
    width: 100%;
    height: 100%;
    background-color: var(--color-background-darkest);
    border: var(--border-width-thick) solid var(--color-border-secondary);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-inset-light);
    overflow: hidden;
    display: grid;
    grid-template-rows: 1fr auto;
    position: relative;
}

.terminal__output {
    overflow-y: auto;
    overflow-x: hidden;
    word-break: break-word;
    padding-right: var(--spacing-sm);
    min-height: 0;
}

.terminal__output-line {
    white-space: pre-wrap;
    min-height: var(--line-height-terminal);
    line-height: var(--line-height-terminal);
    margin-bottom: var(--spacing-xs);
}

.terminal__input-line {
    display: flex;
    align-items: flex-start;
    line-height: var(--line-height-terminal);
    padding-top: var(--spacing-xs);
}

.terminal__prompt {
    flex-shrink: 0;
    white-space: nowrap;
    margin-right: var(--spacing-sm);
    color: var(--color-info);
}

.terminal__input {
    flex-grow: 1;
    min-width: 0;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-primary);
    caret-color: var(--color-text-primary);
    word-break: break-word;
    white-space: pre-wrap;
}

/* 5. App Layer & Modals */

#app-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(2px);
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: transparent;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-lg);
}

.modal-dialog {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--color-background-darkest);
    color: var(--color-text-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    z-index: 100;
    min-width: 320px;
    max-width: 450px;
    border: var(--border-width) solid var(--color-text-primary);
    font-family: var(--font-family-mono), monospace;
    text-align: center;
}

.modal-dialog--wide {
    max-width: 800px;
    width: 90%;
    max-height: 80vh;
}

.modal-dialog--wide .paint-modal-body {
    max-height: calc(80vh - 150px);
    overflow-y: auto;
}

.modal-dialog p {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    line-height: 1.5;
    color: var(--color-text-primary);
}

.modal-dialog__buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.modal-dialog__input {
    width: 100%;
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    background-color: var(--color-background-medium);
    border: var(--border-width) solid var(--color-border-primary);
    color: var(--color-text-secondary);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family-mono), monospace;
    font-size: var(--font-size-lg);
}

.modal-dialog__input:focus {
    outline: none;
    box-shadow: 0 0 5px var(--color-text-primary);
    border-color: var(--color-text-primary);
}

.btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: var(--border-width) solid var(--color-border-primary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-family: var(--font-family-mono), monospace;
    font-size: var(--font-size-base);
    transition: background-color 0.15s ease-in-out, color 0.15s ease-in-out;
    background-color: #1f1f22;
    color: var(--color-text-secondary);
}

.btn:hover:not(:disabled) {
    background-color: var(--color-background-light);
    color: #fff;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn.active {
    background-color: var(--color-info);
    color: var(--color-background-darkest);
    border-color: var(--color-info);
}

.btn--confirm {
    border-color: var(--color-success);
    color: var(--color-success);
}

.btn--confirm:hover {
    background-color: var(--color-success);
    color: var(--color-background-darkest);
}

.btn--cancel {
    border-color: var(--color-error);
    color: var(--color-error);
}

.btn--cancel:hover {
    background-color: var(--color-error);
    color: var(--color-background-darkest);
}

.prose-output h3 {
    color: var(--color-accent-sky);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-primary);
}

.prose-output p {
    margin-bottom: var(--spacing-md);
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-background-darkest);
    border-radius: 8px;
}

::-webkit-scrollbar-thumb {
    background-color: var(--color-text-primary);
    border-radius: 10px;
    border: 2px solid var(--color-background-darkest);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-accent-lime);
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-text-primary) var(--color-background-darkest);
}

.hidden {
    display: none !important;
}

.text-error {
    color: var(--color-error);
}

.text-success {
    color: var(--color-success);
}

.text-warning {
    color: var(--color-warning);
}

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

.text-subtle {
    color: var(--color-text-secondary);
}

.text-dir {
    color: var(--color-info);
    font-weight: 600;
}

.text-file {
    color: var(--color-text-primary);
}

.prose-output {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-base);
}

.prose-output h3 {
    color: var(--color-accent-sky);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--color-border-primary);
}

.prose-output p {
    margin-bottom: var(--spacing-sm);
}

.prose-output code:not(pre > code) {
    background-color: var(--color-background-light);
    color: var(--color-accent-amber);
    padding: .2em .4em;
    border-radius: var(--border-radius-sm);
    font-size: 0.9em;
}

.prose-output pre {
    background-color: var(--color-background-dark);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    margin-bottom: var(--spacing-sm);
}