/* 
  Author: Ajay Singh
  Version: 1.4
  Date: 11-08-2024
  Description: Enhanced loading animation with improved hover messages and tooltips.
*/

/* Grey & Yellow Theme */
:root {
    --primary-bg-color: #1a1a1a;
    --secondary-bg-color: #2c2c2c;
    --highlight-color: #f4c727;
    --text-color: #e0e0e0;
    --border-color: #4a4a4a;
    --row-hover-bg-color: #333333;
    --tooltip-bg-color: #333333;
    --tooltip-text-color: #e0e0e0;
    --header-font-size: 2.5rem;
    --header-hover-font-size: 2.75rem;
    --header-small-font-size: 1.75rem;
    --container-width-lg: 60%;
    --container-width-md: 75%;
    --container-width-sm: 90%;
    --container-padding: 1.5rem;
    --input-padding: 0.75rem;
    --button-padding: 0.75rem 1.25rem;
    --button-font-size: 0.9rem;
    --date-font-size: 1.1rem;
    --date-small-font-size: 0.9rem;
    --border-radius: 12px;
    --highlight-border-radius: 4px;
    --shadow-light: 0 6px 12px rgba(0, 0, 0, 0.25);
    --shadow-medium: 0 8px 16px rgba(0, 0, 0, 0.35);
    --transition-speed: 0.3s;
    --bottom-margin: 30px;
}

/* Global Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--primary-bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: auto;
}

/* Header Styles */
header {
    text-align: center;
    margin-bottom: var(--bottom-margin);
}

h1 {
    font-size: var(--header-font-size);
    margin: 0;
    cursor: pointer;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: 1px;
    transition: var(--transition-speed);
    position: relative;
    text-transform: uppercase;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

h1:hover {
    color: var(--highlight-color);
    transform: scale(1.05);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    font-size: var(--header-hover-font-size);
}

h1::after {
    content: 'Refresh';
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--tooltip-bg-color);
    color: var(--tooltip-text-color);
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed), visibility var(--transition-speed), transform var(--transition-speed);
    z-index: 2000;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

@media (max-width: 480px) {
    h1::after {
        display: none;
    }
}

h1:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-10px);
}

h1::after::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 8px;
    border-style: solid;
    border-color: transparent transparent var(--tooltip-bg-color) transparent;
}

/* Main Container Styles */
#dataTableContainer {
    width: var(--container-width-lg);
    max-width: 100%;
    background-color: var(--secondary-bg-color);
    padding: var(--container-padding);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    margin-bottom: var(--bottom-margin);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}

/* Responsive adjustments for dataTableContainer */
@media (max-width: 1024px) {
    #dataTableContainer {
        width: var(--container-width-md);
    }
}

@media (max-width: 768px) {
    #dataTableContainer {
        width: var(--container-width-sm);
    }
}

@media (max-width: 480px) {
    #dataTableContainer {
        width: var(--container-width-sm);
        padding: 0.75rem;
        box-shadow: none;
    }
}

/* Search Bar Styles */
#searchInput {
    margin: 12px 0;
    padding: var(--input-padding);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    width: 100%;
    background-color: var(--secondary-bg-color);
    color: var(--text-color);
    box-sizing: border-box;
    transition: var(--transition-speed);
}

#searchInput:focus {
    border-color: var(--highlight-color);
    background-color: var(--primary-bg-color);
    outline: none;
    box-shadow: 0 0 5px var(--highlight-color);
}

/* Data Table Styles */
#dataTable {
    width: 100%;
    border-collapse: collapse;
    table-layout: auto;
}

#dataTable th,
#dataTable td {
    padding: var(--input-padding);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    transition: var(--transition-speed);
}

#dataTable th {
    text-align: left;
    background-color: var(--secondary-bg-color);
    font-weight: 700;
    word-wrap: break-word;
}

#dataTable td {
    text-align: left;
    white-space: normal;
    word-wrap: break-word;
}

#dataTable td.date-column {
    max-width: 160px;
}

/* Program Name Highlight */
#dataTable td.program-name {
    color: var(--highlight-color);
    font-weight: 700;
}

/* Table Row Hover Effect */
#dataTable tr:hover {
    background-color: var(--row-hover-bg-color);
}

/* Highlight Class */
.highlight {
    background-color: var(--highlight-color);
    color: var(--primary-bg-color);
    border-radius: var(--highlight-border-radius);
}

/* Date Display and Calendar Styles */
.date-container {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--secondary-bg-color);
    color: var(--text-color);
    padding: var(--container-padding);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
    z-index: 1000;
    gap: 10px;
    max-width: calc(100% - 40px);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Responsive adjustments for date-container */
@media (max-width: 1024px) {
    .date-container {
        top: 10px;
        right: 10px;
    }
}

@media (max-width: 768px) {
    .date-container {
        top: 5px;
        right: 5px;
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .date-container {
        position: static;
        margin: 0 auto 20px auto;
        max-width: var(--container-width-sm);
        width: auto;
        padding: 0.75rem;
    }
}

.date-container > * {
    width: 100%;
    text-align: center;
    box-sizing: border-box;
}

/* Date Picker Adjustment */
.flatpickr-calendar {
    position: fixed !important;
    top: 20px !important;
    right: 20px !important;
    left: auto !important; /* Override any left positioning */
    transform: none !important; /* Remove any transform */
    z-index: 1000;
}

@media (max-width: 768px) {
    .flatpickr-calendar {
        top: 10px;
        right: 10px;
    }
}

@media (max-width: 480px) {
    .flatpickr-calendar {
        display: none;
    }
}

.date-display {
    font-size: var(--date-font-size);
    margin: 0;
    cursor: pointer;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: 0.5px;
    transition: var(--transition-speed);
    position: relative;
    text-transform: capitalize;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.date-display:hover {
    color: var(--highlight-color);
    transform: scale(1.05);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.date-display::after {
    content: 'Choose date';
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--tooltip-bg-color);
    color: var(--tooltip-text-color);
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.9rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed), visibility var(--transition-speed), transform var(--transition-speed);
    z-index: 2000;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

@media (max-width: 480px) {
    .date-display::after {
        display: none;
    }
}

.date-display:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-10px);
}

.date-display::after::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 8px;
    border-style: solid;
    border-color: transparent transparent var(--tooltip-bg-color) transparent;
}

/* Navigation Buttons Styles */
.nav-button {
    background-color: var(--secondary-bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: var(--button-padding);
    margin: 6px;
    cursor: pointer;
    border-radius: var(--border-radius);
    font-size: var(--button-font-size);
    box-shadow: var(--shadow-light);
    transition: background-color var(--transition-speed), color var(--transition-speed), box-shadow var(--transition-speed);
}

.nav-button:hover {
    background-color: var(--highlight-color);
    color: var(--primary-bg-color);
    box-shadow: var(--shadow-medium);
}

/* Full-Screen Loading Animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
    z-index: 9999;
}

/* Loader 11: Rotating Circle */
.loader-11 {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
}

.loader-11 div {
    width: 64px;
    height: 64px;
    border: 8px solid var(--secondary-bg-color);
    border-top-color: var(--highlight-color);
    border-radius: 50%;
    animation: spin 1.2s linear infinite;
}

/* Keyframes for spinning animation */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}