/* Clean, Modern, School-Appropriate & Accessible Theme */

/* Imports */
@import url('https://fonts.googleapis.com/css2?family=Autour+One&display=swap');

:root {
    --color-bg: #f7f5f6;
    --color-card-bg: #ffffff;
    --color-panel-bg: #f2f0f1;
    --color-text-main: #0f172a;       /* High Contrast Ratio > 12:1 against white */
    --color-text-muted: #475569;      /* Contrast Ratio > 4.5:1 */
    --color-primary: #265bd3;         /* School Navy Blue: WCAG AAA Compliant */
    --color-primary-hover: #1e3a8a;
    --color-primary-text: #ffffff;
    --color-border: #bab8b9;
    --color-item-bg: #f7f5f6;
    --color-item-hover: #bab8b9;
    --color-danger: #991b1b;          /* Dark Red for delete button */
    --color-danger-bg: #fef2f2;
    --color-focus: #265bd3;           /* High-visibility focus ring color */
}

/* Headings */
h2 {
  color: var(--color-primary);
  font-family: "Autour One", system-ui;
  text-align: center;
}

/* Base Body Setup */
body {
    background-color: var(--color-bg);
    color: var(--color-text-main);
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 1.25rem;
    height: 100vh;
    box-sizing: border-box;
    overflow: hidden;
    line-height: 1.5;
  	padding-bottom: 15vh;
}

/* Screen Containers */
.screen {
    display: none;
    border: 0.0625rem solid var(--color-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    background-color: var(--color-card-bg);
    box-shadow: 0 0.25rem 1rem rgba(15, 23, 42, 0.08);
    overflow-y: auto;
  	padding-bottom: 15vh;
}

.screen.active {
    display: block;
}

/* Header Navigation (Desktop / Wide Viewports) */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 0.125rem solid var(--color-border);
    padding-bottom: 0.875rem;
    margin-bottom: 1.25rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* Header Title (Prevents Vertical Letter Stacking) */
.header > div {
    text-align: center;
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Mobile Responsive Header Layout */
@media (max-width: 600px) {
    body {
        padding: 0.75rem;
    }

    .screen {
        padding: 1rem;
    }

    .header {
        flex-wrap: wrap;
        gap: 0.625rem;
    }

    .header > div {
        order: -1;
        flex: 0 0 100%;
        white-space: normal;
        font-size: 1rem;
        padding-bottom: 0.25rem;
    }

    .header .btn {
        flex: 1;
        padding: 0.5rem 0.5rem;
        font-size: 0.8125rem;
        text-align: center;
    }
}

/* Typography & Labels */
.panel-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 0.625rem;
    letter-spacing: 0.015rem;
}

label {
    color: var(--color-text-main);
    font-weight: 600;
    font-size: 0.9375rem;
}

/* Bounded Scrollable Panels */
.panel {
    /* Let the panel grow as tall as it needs to fit the content */
    height: auto; 
    
    /* Keep a minimum height so empty panels still look good */
    min-height: 11.25rem;
    overflow-y: auto;
    border: 0.0625rem solid var(--color-border);
    border-radius: 0.5rem;
    padding: 0.75rem;
    margin-bottom: 1.25rem;
    background-color: var(--color-panel-bg);
}

/* Interactive List Items */
.list-item {
    border: 0.0625rem solid var(--color-border);
    border-radius: 0.375rem;
    padding: 0.75rem 1rem;
    margin-bottom: 0.625rem;
    cursor: pointer;
    background-color: var(--color-item-bg);
    color: var(--color-text-main);
    font-weight: 500;
    transition: background-color 0.15s ease, border-color 0.15s ease;
    min-height: 2.75rem; 
    box-sizing: border-box;
    display: flex;
    align-items: center;
}

.list-item:hover {
    background-color: var(--color-item-hover);
    border-color: #94a3b8;
}

/* Selected List Item State */
.list-item.selected {
    background-color: #e2e8f0;
    border-color: var(--color-primary);
    font-weight: 700;
}

/* Accessible Focus States */
.list-item:focus-visible,
.btn:focus-visible,
input:focus-visible {
    outline: 0.1875rem solid var(--color-focus);
    outline-offset: 0.125rem;
}

/* Button Component */
.btn {
    border: 0.0625rem solid var(--color-primary);
    border-radius: 0.375rem;
    background-color: var(--color-primary);
    color: var(--color-primary-text);
    padding: 0.625rem 1.25rem;
    min-height: 2.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
    box-shadow: 0 0.0625rem 0.125rem rgba(0, 0, 0, 0.05);
    flex-shrink: 0;
}

.btn:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn:active {
    transform: translateY(0.0625rem);
}

/* Input Fields */
input[type="text"],
input[type="password"] {
    border: 0.0625rem solid var(--color-border);
    border-radius: 0.375rem;
    background-color: var(--color-card-bg);
    color: var(--color-text-main);
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    font-family: inherit;
    min-height: 2.75rem;
    box-sizing: border-box;
}

/* Order Contents Card Item */
.order-content-item {
    border: 0.0625rem solid var(--color-border);
    border-radius: 0.375rem;
    padding: 0.75rem 1rem;
    margin-bottom: 0.625rem;
    background-color: var(--color-card-bg);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    box-shadow: 0 0.0625rem 0.25rem rgba(0, 0, 0, 0.03);
}

/* Delete Button */
.delete-btn {
    cursor: pointer;
    border: 0.0625rem solid var(--color-danger);
    border-radius: 0.25rem;
    padding: 0.375rem 0.75rem;
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
    font-weight: 700;
    font-size: 0.8125rem;
    min-height: 2.25rem;
    transition: background-color 0.15s ease;
    flex-shrink: 0;
}

.delete-btn:hover {
    background-color: #fee2e2;
}

.delete-btn:focus-visible {
    outline: 0.1875rem solid var(--color-danger);
    outline-offset: 0.125rem;
}