/* ============================================
   TRACKNTRACE RESPONSIVE DESIGN SYSTEM
   Mobile-First Approach for All Devices
   ============================================ */

/* ============================================
   1. ROOT & TYPOGRAPHY DEFAULTS
   ============================================ */

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

:root {
    --color-primary: #e03d1d;
    --color-primary-dark: #c00;
    --color-primary-light: #ff4d33;
    --color-secondary: #d00;
    --color-success: #0d0;
    --color-info: #00d;
    --color-warning: #f00;
    --color-text: #000;
    --color-text-light: #666;
    --color-bg: #fff;
    --color-border: #ccc;
    --color-border-light: #eee;
    --color-border-dark: #777;
    --color-shadow: rgba(0,0,0,0.1);
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Verdana, Arial, sans-serif;
    --font-mono: "Courier New", monospace;
    
    --transition: all 0.3s ease;
    --shadow: 0 2px 8px var(--color-shadow);
    --shadow-md: 0 4px 12px var(--color-shadow);
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.5;
    text-align: left;
    padding: var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   2. TYPOGRAPHY
   ============================================ */

h1 {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 700;
    margin: var(--spacing-lg) 0 var(--spacing-md);
    line-height: 1.2;
}

h2 {
    font-size: clamp(1.25rem, 4vw, 2rem);
    font-weight: 700;
    margin: var(--spacing-lg) 0 var(--spacing-md);
    line-height: 1.3;
}

h3 {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    font-weight: 700;
    margin: var(--spacing-md) 0 var(--spacing-sm);
    line-height: 1.3;
}

h4, h5, h6 {
    font-size: 1rem;
    font-weight: 700;
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

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

/* ============================================
   3. LINKS
   ============================================ */

a {
    color: var(--color-secondary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    padding: 2px 2px;
    border-radius: var(--radius-sm);
}

a:hover,
a:focus {
    color: var(--color-warning);
    text-decoration: underline;
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

a:visited {
    color: var(--color-secondary);
}

a:active {
    color: var(--color-warning);
}

a.green:link,
a.green:visited {
    color: var(--color-success);
}

a.green:hover {
    color: #0f0;
}

a.blue:link,
a.blue:visited {
    color: var(--color-info);
}

a.blue:hover {
    color: #00f;
}

a.smal:link,
a.smal:visited {
    color: var(--color-text-light);
}

a.smal:hover {
    text-decoration: underline;
}

/* ============================================
   4. NAVIGATION
   ============================================ */

nav {
    margin-bottom: var(--spacing-lg);
    width: 100%;
}

#nav {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: 0 0 var(--spacing-xl) 0;
    padding: 0;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-border-light) 100%);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

#nav li {
    flex: 1;
    min-width: 100px;
}

#nav li a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-sm);
    text-decoration: none;
    font-weight: 600;
    color: var(--color-primary);
    background-color: var(--color-border-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    white-space: nowrap;
    font-size: 0.9rem;
}

#nav li a:hover {
    color: var(--color-primary-dark);
    background-color: var(--color-bg);
    border-color: var(--color-primary);
    box-shadow: var(--shadow);
}

#nav li a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   5. FORMS & INPUTS
   ============================================ */

input,
select,
textarea {
    font-family: inherit;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg);
    color: var(--color-text);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: var(--transition);
    width: 100%;
    max-width: 100%;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(224, 61, 29, 0.1);
}

input[type="submit"],
input[type="button"],
button {
    cursor: pointer;
    background-color: var(--color-primary);
    color: white;
    font-weight: 600;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    transition: var(--transition);
    width: auto;
    min-height: 44px;
    font-size: 1rem;
}

input[type="submit"]:hover,
input[type="submit"]:focus,
input[type="button"]:hover,
input[type="button"]:focus,
button:hover,
button:focus {
    background-color: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
    outline: 2px solid var(--color-primary-light);
    outline-offset: 2px;
}

input[type="submit"]:active,
input[type="button"]:active,
button:active {
    transform: translateY(1px);
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="number"],
input[type="date"] {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
}

textarea {
    resize: vertical;
    min-height: 120px;
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

/* ============================================
   6. CONTAINERS & BOXES
   ============================================ */

div.dashborder,
div.dashborder-green,
div.dashborder-red {
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    border: 1px solid var(--color-border);
    background-color: var(--color-border-light);
}

div.dashborder {
    background-color: var(--color-border-light);
    border-color: var(--color-border-dark);
}

div.dashborder-green {
    background-color: #dfd;
    border: 2px dashed #494;
    border-color: #494;
}

div.dashborder-red {
    background-color: #fee;
    border: 2px dashed #900;
    border-color: #900;
}

div.form {
    padding-bottom: 0;
}

div.courier {
    font-family: var(--font-mono);
    background-color: var(--color-border-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    line-height: 1.6;
}

.pageitem {
    border-radius: var(--radius-md);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border-dark);
    font-size: 1rem;
    overflow: hidden;
    padding: 0;
    display: block;
    width: 100%;
    margin: var(--spacing-md) 0 var(--spacing-lg);
    list-style: none;
    box-shadow: var(--shadow);
}

.pageitem li {
    list-style: none;
    border-top: 1px solid var(--color-border-dark);
    padding: var(--spacing-md);
}

.pageitem li:first-child {
    border-top: none;
}

.pageitem li:hover {
    background-color: var(--color-border-light);
}

/* ============================================
   7. TABS
   ============================================ */

div.tab {
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow);
}

div.tab:not(:target) div.content,
div.tab:target div.show,
div.tab div.hide {
    display: none;
}

div.tab:target div.content,
div.tab:target div.hide {
    display: block;
}

div.tab .show {
    padding: var(--spacing-md);
    background-color: var(--color-border-light);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

div.tab .show:hover {
    background-color: var(--color-bg);
}

div.tab .content {
    padding: var(--spacing-md);
    background-color: var(--color-bg);
}

div.tab .hide {
    padding: var(--spacing-md);
    font-weight: 600;
    cursor: pointer;
    background-color: var(--color-border-light);
    transition: var(--transition);
}

div.tab .hide:hover {
    background-color: var(--color-bg);
}

/* ============================================
   8. TABLES
   ============================================ */

table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    font-size: 0.95rem;
}

table.history {
    width: 100%;
}

table.layout {
    border-spacing: 0;
}

table thead {
    background-color: var(--color-border-light);
    font-weight: 600;
}

table th {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 2px solid var(--color-border);
}

table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
    word-wrap: break-word;
}

table tr:hover {
    background-color: var(--color-border-light);
}

table tr:last-child td {
    border-bottom: none;
}

/* ============================================
   9. IMAGES
   ============================================ */

img {
    max-width: 100%;
    height: auto;
    display: block;
}

img#headerlogo {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

a img#headerlogo,
a img {
    border: none;
    transition: var(--transition);
}

a img:hover {
    opacity: 0.9;
    box-shadow: var(--shadow);
}

/* ============================================
   10. FOOTER
   ============================================ */

footer {
    color: var(--color-text-light);
    font-weight: normal;
    font-size: 0.9rem;
    border-top: 1px dotted var(--color-border-dark);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    line-height: 1.6;
    margin-top: auto;
}

/* ============================================
   11. UTILITY CLASSES
   ============================================ */

b {
    text-decoration: underline;
    font-weight: 700;
}

b.login {
    text-align: left;
    font-size: 0.85rem;
}

.graytitle {
    font-weight: 700;
    font-size: 1.1rem;
    color: #4C4C4C;
    text-shadow: 0 1px 0 #fff;
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.smal {
    font-size: 0.85rem;
}

pre.logo {
    font-size: 0.75rem;
    line-height: 1;
    font-family: var(--font-mono);
    font-weight: 700;
    color: #874;
    border-bottom: 1px dotted #874;
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* ============================================
   12. MOBILE FIRST - TABLET (768px+)
   ============================================ */

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }

    body {
        padding: var(--spacing-lg);
    }

    #nav {
        gap: var(--spacing-md);
    }

    #nav li {
        flex: 0 1 auto;
    }

    #nav li a {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.95rem;
    }

    input,
    select,
    textarea {
        font-size: 1rem;
    }

    div.dashborder {
        max-width: 600px;
    }

    table {
        font-size: 1rem;
    }

    table td,
    table th {
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

/* ============================================
   13. DESKTOP (1024px+)
   ============================================ */

@media (min-width: 1024px) {
    body {
        padding: var(--spacing-xl);
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    #nav {
        margin-bottom: var(--spacing-xl);
        gap: var(--spacing-lg);
    }

    #nav li {
        flex: 0 1 auto;
    }

    #nav li a {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
        min-width: 120px;
    }

    div.dashborder {
        max-width: 800px;
    }

    table {
        font-size: 1rem;
    }
}

/* ============================================
   14. LARGE DESKTOP (1440px+)
   ============================================ */

@media (min-width: 1440px) {
    body {
        max-width: 1400px;
        margin: 0 auto;
        padding: var(--spacing-xl);
    }

    div.dashborder {
        max-width: 900px;
    }
}

/* ============================================
   15. PRINT STYLES
   ============================================ */

@media print {
    body {
        background-color: white;
        color: black;
        padding: 0;
    }

    nav,
    footer {
        display: none;
    }

    a {
        text-decoration: underline;
    }

    img {
        max-width: 100%;
    }

    table {
        page-break-inside: avoid;
    }

    tr {
        page-break-inside: avoid;
    }
}

/* ============================================
   16. ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1a1a1a;
        --color-text: #f0f0f0;
        --color-border-light: #333;
        --color-border: #444;
        --color-border-dark: #555;
    }

    input,
    select,
    textarea {
        background-color: #2a2a2a;
        color: #f0f0f0;
        border-color: #444;
    }

    #nav {
        background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
        border-color: #444;
    }

    #nav li a {
        background-color: #2a2a2a;
        border-color: #444;
    }

    table thead {
        background-color: #2a2a2a;
    }

    table tr:hover {
        background-color: #2a2a2a;
    }
}