/* Base Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

/* Color Variables - Default Greenish White Monochromatic */
:root {
    --primary-color: #DCE7DC; /* Lighter greenish-white for text */
    --accent-color: #558B55; /* Muted vibrant green */
    --bg-color: #1A2A1A; /* Dark background */
    --card-bg-color: #2D402D; /* Darker card background for contrast */
    --text-color: #DCE7DC; /* General text color */
    --border-color: #4A6B4A; /* Darker green border for definition */
    --input-bg-color: #3C503C; /* Slightly lighter input background */
    --button-bg-color: #6AA66A; /* Brighter button green */
    --button-text-color: #1A2A1A; /* Dark text for light buttons */
    --success-color: #4CAF50;
    --error-color: #E53935;
    --warning-color: #FFB300;
    --info-color: #2196F3;

    /* RGB values for rgba() colors for transparent overlays */
    --card-bg-color-rgb: 45, 64, 45;
    --accent-color-rgb: 85, 139, 85;
    --primary-color-rgb: 220, 231, 220;
    --button-bg-color-rgb: 106, 166, 106;
}

/* Dark Mode (Default) - Explicitly defined for clarity, though it's the root default */
.dark-mode {
    --primary-color: #DCE7DC; --accent-color: #558B55; --bg-color: #1A2A1A; --card-bg-color: #2D402D; --text-color: #DCE7DC; --border-color: #4A6B4A; --input-bg-color: #3C503C; --button-bg-color: #6AA66A; --button-text-color: #1A2A1A;
    --card-bg-color-rgb: 45, 64, 45; --accent-color-rgb: 85, 139, 85; --primary-color-rgb: 220, 231, 220; --button-bg-color-rgb: 106, 166, 106;
}

/* Dedicated Black Mode */
.black-mode {
    --primary-color: #E0E0E0; /* Light gray for text */
    --accent-color: #4CAF50; /* Vibrant green accent */
    --bg-color: #000000; /* Pure black background */
    --card-bg-color: #1C1C1C; /* Dark gray for cards */
    --text-color: #E0E0E0; /* General text color */
    --border-color: #333333; /* Darker gray border */
    --input-bg-color: #282828; /* Slightly lighter input background */
    --button-bg-color: #4CAF50; /* Green button */
    --button-text-color: #FFFFFF; /* White text for buttons */
    --success-color: #4CAF50;
    --error-color: #E53935;
    --warning-color: #FFB300;
    --info-color: #2196F3;
    --card-bg-color-rgb: 28, 28, 28;
    --accent-color-rgb: 76, 175, 80;
    --primary-color-rgb: 224, 224, 224;
    --button-bg-color-rgb: 76, 175, 80;
}

/* Additional Themes (Muted and Higher Contrast) */
.theme-blue {
    --primary-color: #DDEBF0; --accent-color: #3F8FBD; --bg-color: #1A2C3D; --card-bg-color: #2D4258; --text-color: #DDEBF0; --border-color: #4A6A8C; --input-bg-color: #3C526A; --button-bg-color: #559AC7; --button-text-color: #1A2C3D;
    --card-bg-color-rgb: 45, 66, 88; --accent-color-rgb: 63, 143, 189; --primary-color-rgb: 221, 235, 240; --button-bg-color-rgb: 85, 154, 199;
}
.theme-purple {
    --primary-color: #E8E0EC; --accent-color: #7A50A0; --bg-color: #2E1A3D; --card-bg-color: #3F2C58; --text-color: #E8E0EC; --border-color: #5A4A7A; --input-bg-color: #4D3C6A; --button-bg-color: #9A7AA6; --button-text-color: #2E1A3D;
    --card-bg-color-rgb: 63, 44, 88; --accent-color-rgb: 122, 80, 160; --primary-color-rgb: 232, 224, 236; --button-bg-color-rgb: 154, 122, 166;
}
.theme-orange {
    --primary-color: #F5E9DD; --accent-color: #D07B2D; --bg-color: #3D2C1A; --card-bg-color: #58422D; --text-color: #F5E9DD; --border-color: #8C6A4A; --input-bg-color: #6A523C; --button-bg-color: #F0A055; --button-text-color: #3D2C1A;
    --card-bg-color-rgb: 88, 66, 45; --accent-color-rgb: 208, 123, 45; --primary-color-rgb: 245, 233, 221; --button-bg-color-rgb: 240, 160, 85;
}
.theme-red {
    --primary-color: #F0E3E3; --accent-color: #B04F4F; --bg-color: #3D1A1A; --card-bg-color: #582D2D; --text-color: #F0E3E3; --border-color: #8C4A4A; --input-bg-color: #6A3C3C; --button-bg-color: #E06A6A; --button-text-color: #3D1A1A;
    --card-bg-color-rgb: 88, 45, 45; --accent-color-rgb: 176, 79, 79; --primary-color-rgb: 240, 227, 227; --button-bg-color-rgb: 224, 106, 106;
}
.theme-teal {
    --primary-color: #E0EFEF; --accent-color: #3F9B9B; --bg-color: #1A3D3D; --card-bg-color: #2D5858; --text-color: #E0EFEF; --border-color: #4A8C8C; --input-bg-color: #3C6A6A; --button-bg-color: #55C7C7; --button-text-color: #1A3D3D;
    --card-bg-color-rgb: 45, 88, 88; --accent-color-rgb: 63, 155, 155; --primary-color-rgb: 224, 239, 239; --button-bg-color-rgb: 85, 199, 199;
}
.theme-indigo {
    --primary-color: #E3E5F0; --accent-color: #4A5CB0; --bg-color: #1A2D3D; --card-bg-color: #2D4258; --text-color: #E3E5F0; --border-color: #4A6A8C; --input-bg-color: #3C506A; --button-bg-color: #6A7BC0; --button-text-color: #1A2D3D;
    --card-bg-color-rgb: 45, 66, 88; --accent-color-rgb: 74, 92, 176; --primary-color-rgb: 227, 229, 240; --button-bg-color-rgb: 106, 123, 192;
}

/* Login Page Background Shapes - Increased opacity for more prominence */
.background-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    background: linear-gradient(135deg, var(--bg-color), var(--card-bg-color));
}

.shape-1 {
    position: absolute;
    top: -10%;
    left: -10%;
    width: 40%;
    height: 40%;
    background: rgba(var(--accent-color-rgb), 0.25); /* Increased opacity */
    border-radius: 50%;
    filter: blur(70px); /* Increased blur */
    animation: float1 15s infinite ease-in-out alternate;
}
.shape-2 {
    position: absolute;
    bottom: -15%;
    right: -15%;
    width: 50%;
    height: 50%;
    background: rgba(var(--primary-color-rgb), 0.15); /* Increased opacity */
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    filter: blur(80px); /* Increased blur */
    animation: float2 20s infinite ease-in-out alternate;
}
.shape-3 {
    position: absolute;
    top: 20%;
    right: 5%;
    width: 25%;
    height: 25%;
    background: rgba(var(--button-bg-color-rgb), 0.3); /* Increased opacity */
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    filter: blur(60px); /* Increased blur */
    animation: float3 18s infinite ease-in-out alternate;
}

@keyframes float1 {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(20px, 30px) rotate(5px); }
}
@keyframes float2 {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-30px, -20px) rotate(-8px); }
}
@keyframes float3 {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(10px, -15px) rotate(10px); }
}

/* General Element Styling */
.card {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.08s ease-out, box-shadow 0.08s ease-out;
}
.card:hover {
    transform: translateY(-0.5px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.25);
}

.input-field, select.custom-select {
    background-color: var(--input-bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    transition: all 0.15s ease-in-out;
    font-family: 'Source Code Pro', monospace; /* Apply Source Code Pro */
}
.input-field:focus, select.custom-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(var(--accent-color-rgb), 0.4);
    outline: none;
}

/* Custom themed border */
.border-themed {
    border-color: var(--border-color);
}

/* Button Styling */
.btn-primary, .btn-secondary, .btn-danger {
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    transition: all 0.08s ease-in-out;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    cursor: pointer;
    border: none;
}

.btn-primary i, .btn-secondary i, .btn-danger i {
    margin-right: 0.5rem; /* Add spacing between icon and text */
}

.btn-primary {
    background-color: var(--button-bg-color);
    color: var(--button-text-color);
}
.btn-primary:hover {
    background-color: var(--accent-color);
    transform: translateY(-0.5px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}
.btn-primary:active {
    transform: translateY(0.5px);
    box-shadow: none;
}

.btn-secondary {
    background-color: var(--input-bg-color);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background-color: var(--border-color);
    transform: translateY(-0.5px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}
.btn-secondary:active {
    transform: translateY(0.5px);
    box-shadow: none;
}

.btn-danger {
    background-color: var(--error-color);
    color: white;
}
.btn-danger:hover {
    background-color: #C23A3A;
    transform: translateY(-0.5px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}
.btn-danger:active {
    transform: translateY(0.5px);
    box-shadow: none;
}

/* Navigation Buttons */
.nav-button {
    width: 100%;
    text-align: left;
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    background-color: transparent;
    color: var(--text-color);
    font-weight: 600;
    transition: background-color 0.08s, color 0.08s, transform 0.05s;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    position: relative;
}
.nav-button:hover {
    background-color: var(--input-bg-color);
    color: var(--accent-color);
    transform: translateX(1px);
}
.nav-button.active {
    background-color: var(--accent-color);
    color: var(--button-text-color);
    box-shadow: inset 0 0 5px rgba(0,0,0,0.3);
}
.nav-button.active:hover {
    background-color: var(--accent-color);
    color: var(--button-text-color);
    transform: none;
}

/* Tab spinner positioning */
.nav-button .fa-spinner {
    margin-left: auto;
}

/* Output Areas */
.output-area {
    background-color: var(--input-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1rem;
    white-space: pre-wrap;
    word-break: break-all;
    overflow-y: auto;
    font-family: 'Source Code Pro', monospace; /* Changed to Source Code Pro */
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--primary-color);
    max-height: 500px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
    scroll-behavior: smooth;
}

.major-steps-output {
    background-color: var(--input-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1rem;
    font-weight: 500;
    min-height: 50px;
    overflow-y: auto;
    max-height: 150px;
}
.major-steps-output .success { color: var(--success-color); }
.major-steps-output .error { color: var(--error-color); }
.major-steps-output .warning { color: var(--warning-color); }
.major-steps-output .info { color: var(--info-color); }

/* Scrollbar Styling */
/* For Webkit browsers (Chrome, Safari) */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--input-bg-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 10px;
    border: 2px solid var(--input-bg-color); /* Creates a padding effect */
}

::-webkit-scrollbar-thumb:hover {
    background: var(--button-bg-color);
}

/* For Firefox */
html {
    scrollbar-width: thin; /* "auto" or "thin" */
    scrollbar-color: var(--accent-color) var(--input-bg-color); /* thumb color track color */
}


/* Slider Styling (Webkit/Firefox) */
.slider {
    appearance: none; /* Removed -webkit-appearance */
    width: 100%;
    height: 8px;
    background: var(--input-bg-color);
    outline: none;
    opacity: 0.9;
    transition: opacity .15s;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}
.slider:hover {
    opacity: 1;
}
.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: grab;
    transition: background-color 0.15s, transform 0.15s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.slider::-webkit-slider-thumb:hover {
    background: var(--button-bg-color);
    transform: scale(1.02);
}
.slider::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(0.98);
}
.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: grab;
    transition: background-color 0.15s, transform 0.15s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.slider::-moz-range-thumb:hover {
    background: var(--button-bg-color);
    transform: scale(1.02);
}
.slider::-moz-range-thumb:active {
    cursor: grabbing;
    transform: scale(0.98);
}

/* Checkbox Styling */
.checkbox-container input[type="checkbox"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-color);
    border-radius: 0.375rem;
    background-color: var(--input-bg-color);
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease-in-out;
}

.checkbox-container input[type="checkbox"]:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.checkbox-container input[type="checkbox"]::after {
    content: '\2713';
    color: var(--button-text-color);
    font-size: 14px;
    display: none;
}

.checkbox-container input[type="checkbox"]:checked::after {
    display: block;
}

.checkbox-container input[type="checkbox"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--accent-color-rgb), 0.4);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--card-bg-color);
    padding: 2rem;
    border-radius: 1rem;
    max-width: 90%;
    max-height: 90%;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.close-button {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-color);
    transition: color 0.2s ease-in-out;
}
.close-button:hover {
    color: var(--error-color);
}

/* Custom File Upload Styling */
.custom-file-upload {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background-color: var(--input-bg-color);
    color: var(--text-color);
    padding: 0.5rem;
    cursor: pointer;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.file-name-display {
    flex-grow: 1;
    padding: 0.5rem 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.9rem;
}

.file-button {
    flex-shrink: 0;
    padding: 0.5rem 1rem;
    border-radius: 0.6rem;
    margin-left: 0.5rem;
    font-size: 0.9rem;
    transition: all 0.1s ease-in-out;
}

/* Custom Select Styling */
select.custom-select {
    appearance: none; /* Removed -webkit-appearance and -moz-appearance */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='var(--primary-color)'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
    color: var(--text-color);
}

/* Styles for options within the custom select dropdown */
select.custom-select option {
    background-color: var(--input-bg-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    transition: background-color 0.15s ease, color 0.15s ease, font-size 0.15s ease;
    font-family: 'Source Code Pro', monospace; /* Apply Source Code Pro */
}

/* Alternating background for dropdown options */
select.custom-select option:nth-child(even) {
    background-color: var(--card-bg-color);
}

/* Hover effect for dropdown options */
select.custom-select option:hover,
select.custom-select option:checked {
    background-color: var(--accent-color);
    color: var(--button-text-color);
    font-size: 1.05em;
}

.app-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    background-clip: text; /* Removed -webkit-background-clip */
    -webkit-text-fill-color: transparent;
    font-size: 2.5rem;
}

/* Header behavior */
.header-visible {
    transform: translateY(0);
    opacity: 1;
}
.header-hidden {
    transform: translateY(-100%);
    opacity: 0;
}
header {
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
    background-color: rgba(var(--card-bg-color-rgb), 0.98);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Theme dropdown with increased opacity for mobile accessibility */
#themeDropdown {
    background-color: rgba(var(--card-bg-color-rgb), 0.98) !important;
    backdrop-filter: blur(8px);
    border: 2px solid var(--border-color);
}

/* Notepad font size */
#notepad-content {
    font-family: 'Source Code Pro', monospace;
    font-size: 0.9rem; /* Reduced font size for notes */
}

/* For better mobile experience */
@media (max-width: 768px) {
    main {
        flex-direction: column;
    }
    aside {
        width: 100%;
    }
    .btn-primary, .btn-danger, .btn-secondary {
        width: 100%;
    }
    .modal-content {
        padding: 1.5rem;
    }
    .custom-file-upload {
        flex-direction: column;
        align-items: stretch;
        padding: 0.75rem;
    }
    .file-name-display {
        text-align: center;
        margin-bottom: 0.5rem;
    }
    .file-button {
        width: 100%;
        margin-left: 0;
        margin-top: 0.5rem;
    }
    
    /* Fixed mobile header layout */
    header {
        padding: 1rem;
    }
    
    header .flex {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    header .flex:first-child {
        margin-bottom: 1rem;
    }
    
    header .ml-auto {
        margin-left: 0 !important;
        display: flex;
        justify-content: flex-end; /* Align to right */
        align-items: center;
        gap: 1rem;
        width: 100%;
    }
    
    /* Theme dropdown positioning for mobile */
    #themeDropdown {
        position: fixed !important;
        top: auto !important;
        bottom: 1rem !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        right: auto !important;
        margin: 0 !important;
        width: 90vw !important;
        max-width: 300px !important;
        opacity: 0.98 !important;
        z-index: 1001 !important;
    }
    
    /* Mobile specific adjustments for logout and theme buttons */
    header .btn-danger,
    header .btn-secondary {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
        white-space: nowrap;
    }
    
    .app-title {
        font-size: 2rem;
        text-align: center;
        width: 100%;
    }
    
    /* Navigation button improvements for mobile */
    .nav-button {
        padding: 0.875rem 1.25rem;
        font-size: 0.95rem;
    }
    
    /* Output area improvements for mobile */
    .output-area {
        font-size: 0.8rem;
        max-height: 300px;
    }
    
    /* Grid layout improvements for mobile */
    .grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    /* Serve mode fields stacking for mobile */
    #source-field-container .input-field,
    #source-field-container .custom-select {
        margin-bottom: 0.75rem;
    }
    
    #source-field-container .input-field:last-child,
    #source-field-container .custom-select:last-child {
        margin-bottom: 0;
    }
}

/* Tablet specific adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
    .app-title {
        font-size: 2.2rem;
    }
    
    header .ml-auto {
        gap: 0.75rem;
    }
    
    header .btn-danger,
    header .btn-secondary {
        padding: 0.625rem 1rem;
        font-size: 0.85rem;
    }
}

/* Large screen optimizations */
@media (min-width: 1025px) {
    .app-title {
        font-size: 2.5rem;
    }
    
    .output-area {
        max-height: 600px;
    }
}