/* Theme Variables and Light/Dark Mode Styles */

/* Default Dark Theme Variables */
:root {
    /* Main Colors */
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: rgba(0, 0, 0, 0.2);
    
    /* Text Colors */
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-tertiary: #6b7280;
    
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-hover: rgba(255, 255, 255, 0.15);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    --gradient-bg: var(--gradient-primary);
    
    /* Input/Form Colors */
    --input-bg: rgba(0, 0, 0, 0.2);
    --input-border: rgba(255, 255, 255, 0.1);
    --input-focus: rgba(255, 255, 255, 0.3);
    
    /* Shadow Colors */
    --shadow-sm: rgba(0, 0, 0, 0.1);
    --shadow-md: rgba(0, 0, 0, 0.15);
    --shadow-lg: rgba(0, 0, 0, 0.25);
    
    /* Shape opacity for floating elements */
    --shape-opacity: 0.1;
    
    /* Orb opacity */
    --orb-opacity: 0.2;
}

/* Light Theme Variables */
[data-theme="light"] {
    /* Main Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: rgba(255, 255, 255, 0.8);
    
    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-tertiary: #6b7280;
    
    /* Glass Effects - Adjusted for light theme */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-hover: rgba(255, 255, 255, 0.85);
    
    /* Gradients - Softer for light theme */
    --gradient-primary: linear-gradient(135deg, #ddd6fe 0%, #fbbf24 100%);
    --gradient-secondary: linear-gradient(135deg, #fca5a5 0%, #fbbf24 100%);
    --gradient-bg: linear-gradient(135deg, #f0f9ff 0%, #e0e7ff 50%, #fae8ff 100%);
    
    /* Input/Form Colors */
    --input-bg: rgba(255, 255, 255, 0.9);
    --input-border: rgba(0, 0, 0, 0.1);
    --input-focus: rgba(99, 102, 241, 0.3);
    
    /* Shadow Colors */
    --shadow-sm: rgba(0, 0, 0, 0.05);
    --shadow-md: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);
    
    /* Shape opacity for floating elements */
    --shape-opacity: 0.05;
    
    /* Orb opacity */
    --orb-opacity: 0.1;
}

/* Theme Toggle Button Styles */
.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 30px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 2px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px var(--shadow-md);
}

.theme-toggle:hover {
    background: var(--glass-hover);
}

.theme-toggle-slider {
    width: 26px;
    height: 26px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px var(--shadow-md);
}

.theme-toggle-slider::before {
    content: '🌙';
    font-size: 14px;
}

[data-theme="light"] .theme-toggle-slider {
    transform: translateX(30px);
    background: #fbbf24;
}

[data-theme="light"] .theme-toggle-slider::before {
    content: '☀️';
}

/* Body Background Updates */
body {
    background: var(--gradient-bg) !important;
    color: var(--text-primary);
    transition: background 0.3s ease, color 0.3s ease;
}

[data-theme="light"] body {
    background: var(--gradient-bg) !important;
}

/* Update glass pane for theme */
.glass-pane, .glass-card {
    background: var(--glass-bg) !important;
    border-color: var(--glass-border) !important;
    transition: all 0.3s ease;
}

/* Update text colors */
.text-gray-100 { color: var(--text-primary) !important; }
.text-gray-200 { color: var(--text-primary) !important; }
.text-gray-300 { color: var(--text-secondary) !important; }
.text-gray-400 { color: var(--text-secondary) !important; }
.text-gray-500 { color: var(--text-tertiary) !important; }

/* Update background colors */
.bg-gray-900 { background-color: var(--bg-primary) !important; }
.bg-black\/20 { background-color: var(--input-bg) !important; }
.bg-black\/10 { background-color: var(--glass-bg) !important; }
.bg-white\/5 { background-color: var(--glass-bg) !important; }
.bg-white\/10 { background-color: var(--glass-bg) !important; }

/* Update border colors */
.border-white\/10 { border-color: var(--glass-border) !important; }
.border-white\/20 { border-color: var(--glass-border) !important; }

/* Input field updates */
input[type="text"],
input[type="password"],
input[type="email"],
input[type="time"],
input[type="date"],
textarea,
select {
    background: var(--input-bg) !important;
    border-color: var(--input-border) !important;
    color: var(--text-primary) !important;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-tertiary) !important;
}

/* Floating shapes opacity */
.shape {
    opacity: var(--shape-opacity) !important;
}

/* Background orbs opacity */
.background-orb {
    opacity: var(--orb-opacity) !important;
}

/* Modal backgrounds */
[data-theme="light"] .modal-content {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(249, 250, 251, 0.9) 100%) !important;
}

/* Priority colors adjustment for light theme */
[data-theme="light"] .priority-high {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
}

[data-theme="light"] .priority-medium {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
}

[data-theme="light"] .priority-low {
    background: linear-gradient(135deg, #10b981, #059669) !important;
}

/* Task item adjustments for light theme */
[data-theme="light"] .task-item {
    background: rgba(255, 255, 255, 0.8) !important;
    box-shadow: 0 2px 8px var(--shadow-sm) !important;
}

[data-theme="light"] .task-item:hover {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 4px 12px var(--shadow-md) !important;
}

/* Button adjustments */
[data-theme="light"] .add-btn {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%) !important;
}

[data-theme="light"] button:hover {
    box-shadow: 0 10px 25px var(--shadow-md) !important;
}

/* Scrollbar for light theme */
[data-theme="light"] ::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

/* Authentication modal for light theme */
[data-theme="light"] #auth-modal {
    background: rgba(255, 255, 255, 0.9) !important;
    backdrop-filter: blur(10px);
}

[data-theme="light"] #auth-modal .glass-pane {
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25) !important;
}

/* Theme indicator in UI */
.theme-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .theme-toggle {
        bottom: 80px;
        right: 10px;
    }
}