/* ============================================
   ENCOM OS 12 — TRON: Legacy Style
   i0n1k.digital — Personal Experimental Node
   ============================================ */

/* Color Palette */
:root {
    --color-bg: #0a0e27;
    --color-bg-dark: #050812;
    --color-border: #00d4ff;
    --color-border-alt: #0099cc;
    --color-text: #d4f1ff;
    --color-text-dim: #7fa3b5;
    --color-accent: #00d4ff;
    
    /* Konami Mode (Alert Palette) */
    --color-alert: #ff6600;
    --color-alert-dark: #cc3300;
    
    --font-header: 'Rajdhani', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
}

/* ============================================
   RESET & BASE
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg-dark);
    color: var(--color-text);
    font-family: var(--font-header);
    font-size: 14px;
    line-height: 1.6;
    overflow-x: hidden;
}

body.konami-mode {
    --color-accent: var(--color-alert);
    --color-border: var(--color-alert);
    --color-border-alt: var(--color-alert-dark);
}

/* ============================================
   OS FRAME CONTAINER
   ============================================ */

.os-frame {
    max-width: 1200px;
    margin: 20px auto;
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.1), inset 0 0 30px rgba(0, 212, 255, 0.05);
    position: relative;
}

/* ============================================
   SYSTEM PANEL (Header)
   ============================================ */

.system-panel {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-alt);
    background-color: rgba(0, 0, 0, 0.3);
    gap: 20px;
}

.system-panel-left {
    flex: 0 0 auto;
    min-width: 200px;
}

.logo-brand {
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
}

.logo-brand:hover {
    text-shadow: 0 0 10px var(--color-accent);
}

.logo-line {
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--color-accent);
    text-transform: uppercase;
}

.logo-subline {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--color-text-dim);
    text-transform: uppercase;
    margin-top: 4px;
}

.system-panel-center {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.system-path {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-text-dim);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.system-panel-right {
    flex: 0 0 auto;
    display: flex;
    gap: 10px;
    align-items: center;
}

.status-pill {
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 6px 12px;
    border: 1px solid var(--color-border-alt);
    background-color: rgba(0, 212, 255, 0.05);
    color: var(--color-text);
    letter-spacing: 1px;
    text-transform: uppercase;
    white-space: nowrap;
}

/* ============================================
   NAVIGATION PANEL
   ============================================ */

.nav-panel {
    display: flex;
    gap: 2px;
    padding: 10px 10px;
    border-bottom: 1px solid var(--color-border-alt);
    background-color: rgba(0, 0, 0, 0.2);
    flex-wrap: wrap;
}

.nav-btn {
    flex: 1;
    min-width: 100px;
    padding: 12px 16px;
    background-color: transparent;
    border: 1px solid var(--color-border-alt);
    color: var(--color-text);
    font-family: var(--font-header);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    text-shadow: 0 0 8px var(--color-accent);
    background-color: rgba(0, 212, 255, 0.05);
}

.nav-btn:active {
    transform: scale(0.98);
}

/* ============================================
   CONTENT WRAPPER & LAYOUT
   ============================================ */

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 15px;
    padding: 15px;
    background-color: var(--color-bg);
}

.content-left {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.content-right {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* ============================================
   PANELS
   ============================================ */

.panel {
    border: 2px solid var(--color-border);
    background-color: rgba(0, 0, 0, 0.4);
    box-shadow: inset 0 0 15px rgba(0, 212, 255, 0.03);
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.panel.revealed {
    opacity: 1;
    transform: translateY(0);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border-alt);
    background-color: rgba(0, 212, 255, 0.05);
}

.panel-title {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent);
}

.panel-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--color-text-dim);
    text-transform: uppercase;
}

.panel-content {
    padding: 16px;
}

.panel-heading {
    font-family: var(--font-header);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.mono-text {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: 10px;
}

/* ============================================
   INFO BLOCKS (SESSION, SHORTCUTS)
   ============================================ */

.info-blocks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 16px;
}

.info-block {
    border: 1px solid var(--color-border-alt);
    background-color: rgba(0, 212, 255, 0.02);
    padding: 12px;
}

.block-title {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-accent);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 8px;
    border-bottom: 1px dashed var(--color-border-alt);
    padding-bottom: 6px;
}

.block-content {
    font-size: 11px;
}

/* ============================================
   SUBPANELS GRID
   ============================================ */

.subpanels-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 12px;
}

.subpanel {
    border: 1px solid var(--color-border-alt);
    background-color: rgba(0, 212, 255, 0.02);
    padding: 12px;
    transition: all 0.3s ease;
}

.subpanel:hover {
    border-color: var(--color-accent);
    background-color: rgba(0, 212, 255, 0.05);
}

.subpanel-title {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-accent);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 8px;
    border-bottom: 1px dashed var(--color-border-alt);
    padding-bottom: 6px;
}

.subpanel-content {
    font-size: 11px;
    line-height: 1.6;
}

/* ============================================
   PROJECTS LIST
   ============================================ */

.projects-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 12px;
}

.project-item {
    border: 1px solid var(--color-border-alt);
    background-color: rgba(0, 212, 255, 0.02);
    padding: 12px;
    transition: all 0.3s ease;
}

.project-item:hover {
    border-color: var(--color-accent);
    background-color: rgba(0, 212, 255, 0.05);
}

.project-name {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.project-desc {
    font-size: 11px;
}

/* ============================================
   CONTACT CHIPS
   ============================================ */

.contact-chips {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 12px;
}

.chip {
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 8px 12px;
    border: 1px solid var(--color-border-alt);
    background-color: rgba(0, 212, 255, 0.02);
    color: var(--color-text);
    letter-spacing: 0.5px;
}

/* ============================================
   ACCESS BUTTONS (Right Column)
   ============================================ */

.access-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.access-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--color-border-alt);
    background-color: rgba(0, 212, 255, 0.02);
    color: var(--color-text);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.access-btn:hover {
    border-color: var(--color-accent);
    background-color: rgba(0, 212, 255, 0.08);
    text-shadow: 0 0 6px var(--color-accent);
}

.access-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
    transition: filter 0.3s ease, transform 0.3s ease;
    opacity: 0.9;
}

.access-btn:hover .access-icon {
    opacity: 1;
    transform: scale(1.1);
}

.access-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.access-name {
    font-family: var(--font-header);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.access-handle {
    font-size: 10px;
    color: var(--color-text-dim);
}

/* ============================================
   KEYMAP HINTS
   ============================================ */

.keymap-hints {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 11px;
    color: var(--color-text-dim);
    line-height: 1.6;
}

.hint-line {
    letter-spacing: 0.5px;
}

/* ============================================
   FOOTER
   ============================================ */

.footer-panel {
    padding: 12px 16px;
    border-top: 1px solid var(--color-border-alt);
    background-color: rgba(0, 0, 0, 0.3);
}

.footer-text {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-text-dim);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ============================================
   RICKROLL MODAL
   ============================================ */

.rickroll-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
    transition: opacity 0.3s ease;
}

.rickroll-overlay.hidden {
    display: none;
    opacity: 0;
    pointer-events: none;
}

.rickroll-modal {
    width: 90%;
    max-width: 600px;
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.2);
    animation: slideIn 0.4s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.rickroll-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border-alt);
    background-color: rgba(0, 212, 255, 0.05);
}

.rickroll-title {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-accent);
    text-transform: uppercase;
}

.rickroll-close {
    font-family: var(--font-header);
    font-size: 11px;
    padding: 6px 12px;
    border: 1px solid var(--color-border-alt);
    background-color: transparent;
    color: var(--color-text);
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

.rickroll-close:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    text-shadow: 0 0 8px var(--color-accent);
}

.rickroll-video {
    width: 100%;
    height: 400px;
    display: block;
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--color-bg);
    border: 2px solid var(--color-accent);
    padding: 16px;
    z-index: 999;
    max-width: 320px;
    animation: slideInUp 0.4s ease;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.toast.hidden {
    display: none;
    animation: none;
}

.toast-content {
    margin-bottom: 8px;
}

.toast-title {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.toast-text {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-text-dim);
    letter-spacing: 0.5px;
}

.toast-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background-color: transparent;
    border: none;
    color: var(--color-accent);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.toast-close:hover {
    text-shadow: 0 0 8px var(--color-accent);
    transform: scale(1.2);
}

/* ============================================
   RESPONSIVE DESIGN (< 960px)
   ============================================ */

@media (max-width: 960px) {
    .os-frame {
        margin: 10px;
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 12px;
    }
    
    .system-panel {
        flex-direction: column;
        gap: 12px;
        padding: 12px 16px;
    }
    
    .system-panel-left,
    .system-panel-center,
    .system-panel-right {
        width: 100%;
        text-align: center;
    }
    
    .system-panel-right {
        display: flex;
        justify-content: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    
    .nav-panel {
        padding: 8px 8px;
        gap: 4px;
    }
    
    .nav-btn {
        min-width: 80px;
        padding: 10px 12px;
        font-size: 11px;
        letter-spacing: 1px;
    }
    
    .subpanels-grid {
        grid-template-columns: 1fr;
    }
    
    .info-blocks {
        grid-template-columns: 1fr;
    }
    
    .panel-content {
        padding: 12px;
    }
    
    .panel-heading {
        font-size: 16px;
    }
    
    .access-icon {
        width: 20px;
        height: 20px;
    }
    
    .rickroll-video {
        height: 300px;
    }
    
    .toast {
        width: 85%;
        max-width: none;
        left: 20px;
        right: 20px;
    }
}

@media (max-width: 640px) {
    .os-frame {
        margin: 8px;
    }
    
    .system-panel {
        padding: 10px 12px;
    }
    
    .logo-line {
        font-size: 14px;
    }
    
    .system-path {
        font-size: 10px;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    .nav-panel {
        padding: 6px;
        gap: 2px;
    }
    
    .nav-btn {
        min-width: 60px;
        padding: 8px 10px;
        font-size: 9px;
        letter-spacing: 0.5px;
    }
    
    .panel-heading {
        font-size: 14px;
    }
    
    .mono-text {
        font-size: 11px;
    }
    
    .rickroll-video {
        height: 250px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.hidden {
    display: none !important;
}

/* Konami Mode Enhancements */
body.konami-mode .panel-title,
body.konami-mode .panel-heading,
body.konami-mode .logo-line {
    text-shadow: 0 0 10px var(--color-accent),
                 0 0 20px var(--color-alert);
}

body.konami-mode .panel {
    border-color: var(--color-accent);
    box-shadow: inset 0 0 15px rgba(255, 102, 0, 0.05),
                0 0 15px rgba(255, 102, 0, 0.1);
}

body.konami-mode .rickroll-overlay {
    background-color: rgba(255, 102, 0, 0.2);
}