/* 1. THEME VARIABLES */
:root {
    --bg: #1a1a1a;
    --container-bg: rgba(0, 0, 0, 0.95);
    --primary: #ffb000;          /* Amber Gold */
    --primary-dim: rgba(255, 176, 0, 0.7);
    --secondary: #00eeff;        /* Terminal Cyan */
    --accent: #00ff41;           /* Neon Green */
    --border: #5c3d2e;           /* Chassis Brown */
    --shadow: rgba(0, 0, 0, 0.8);
    --data-blue: #00d4ff;       
    --blue-glow: rgba(0, 212, 255, 0.5);
    --error: #ff0000;
}

[data-theme="light"] {
    --bg: #f4f4f4;
    --container-bg: #ffffff;
    --primary: #7a5400;
    --primary-dim: #5c5c5c;
    --secondary: #005f6b;
    --accent: #008522;
    --border: #a3a3a3;
    --shadow: rgba(0, 0, 0, 0.1);
    --error: #cc0000;
}

/* 2. GLOBAL RESET & CENTERING */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg);
    color: var(--primary);
    font-family: 'Courier New', Courier, monospace;
    display: flex;
    flex-direction: column;
    align-items: center; 
    padding: 20px;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* 3. THE CHASSIS */
.container {
    width: 100%;
    max-width: 650px; 
    border: 2px solid var(--border);
    padding: 25px;
    background: var(--container-bg);
    box-shadow: 0 0 20px var(--shadow);
    position: relative;
    z-index: 5;
    overflow: hidden;
}

/* 4. HEADER & HERO */
header {
    text-align: center;
    border-bottom: 2px dashed var(--border);
    margin-bottom: 30px;
    padding-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-container {
    border: 2px solid var(--border);
    margin: 20px 0;
    background: #000;
    width: 100%;
}

.hero-container img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(0.3) brightness(0.8);
}

.hero-text-block {
    width: 100%;
    padding: 25px 10px;
    text-align: center;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center; 
    justify-content: center;
}

.by-line {
    display: block;
    width: 100%;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    opacity: 0.8;
    margin: 8px 0;
    text-align: center;
}

/* 5. NAVIGATION */
.system-nav, .secondary-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin: 20px 0;
}

.submit-btn {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--border);
    padding: 10px 18px;
    cursor: pointer;
    text-transform: uppercase;
    font-family: inherit;
    font-weight: bold;
    transition: 0.2s;
}

.submit-btn:hover, .submit-btn.active {
    background: var(--accent);
    color: #000 !important;
    box-shadow: 0 0 15px var(--accent);
    border-color: var(--accent);
}

/* 6. LAYOUT */
.vault-layout {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.log-directory {
    width: 100%;
    border-bottom: 1px dashed var(--border);
    padding-bottom: 25px;
}

.file-list {
    list-style-type: none; 
    padding: 0;
    margin: 0;
}

.file-list li {
    display: flex;        
    align-items: center;  
    margin-bottom: 8px;   
}

.log-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    display: block;
    padding: 5px 0;
    transition: 0.2s;
}

.log-link:hover {
    color: var(--accent);
    padding-left: 5px;
}

/* 7. ANIMATIONS */
.main-title {
    font-size: 1.4rem;
    margin: 0;
    line-height: 1.2;
    display: flex;
    justify-content: center;
}

.typewriter {
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    width: 0;
    animation: typing 3.5s steps(40, end) forwards;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

.blink { animation: blinker 1.5s linear infinite; }
@keyframes blinker { 50% { opacity: 0; } }

/* 8. OVERLAYS */
.terminal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.1) 50%);
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.12;
}

/* 9. FOOTER */
footer {
    margin-top: 50px;
    text-align: center;
    border-top: 1px solid var(--border);
    padding-top: 20px;
    font-size: 0.8rem;
}

/* 10. LOG DISPLAY: DATA BLUE ACCENTS */
.blog-post-body h1, 
.blog-post-body h2, 
.blog-post-body h3 {
    color: var(--data-blue) !important;
    text-shadow: 0 0 5px var(--blue-glow);
    text-transform: uppercase;
}

.blog-post-body p, 
.blog-post-body li,
.blog-post-body div {
    color: var(--primary);
}

.blog-post-body .force-blue,
.blog-post-body strong,
.blog-post-body b {
    color: var(--data-blue) !important;
    text-shadow: 0 0 8px var(--blue-glow) !important;
    font-weight: bold !important;
}

.blog-post-body ul li::marker {
    color: var(--accent);
}

/* 11. FORM INPUTS & VALIDATION */
.form-input {
    background: #000 !important;
    color: var(--accent) !important;
    border: 1.5px solid var(--border);
    padding: 12px;
    font-family: inherit;
    text-transform: uppercase;
    outline: none;
    width: 100%;
    transition: all 0.3s ease;
}

[data-theme="light"] .form-input {
    background: #fff !important;
    color: var(--accent) !important;
    border: 1.5px solid var(--border);
}

.form-input::placeholder {
    color: var(--primary-dim);
    opacity: 0.5;
}

/* Field Level Validation Styles */
.form-input.valid {
    border-color: var(--accent) !important;
    box-shadow: 0 0 8px var(--accent);
}

.form-input.invalid {
    border-color: var(--error) !important;
    box-shadow: 0 0 8px var(--error);
}

#contact-terminal {
    transition: background 0.3s ease;
}