/*
 * Josh Blyth - Unified Theme System
 * This file contains all shared CSS variables for consistent styling across all applications.
 * Include this file before application-specific styles.
 */

:root {
    /* ===========================================
       BRAND COLORS (Primary Palette)
       =========================================== */
    --color-primary: #667eea;
    --color-primary-dark: #764ba2;
    --color-primary-light: #8b9df5;
    --color-primary-rgb: 102, 126, 234;

    /* Secondary accent colors */
    --color-secondary: #f093fb;
    --color-secondary-dark: #f5576c;
    --color-accent: #4facfe;
    --color-accent-light: #00f2fe;

    /* ===========================================
       GRADIENTS
       =========================================== */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-danger: linear-gradient(135deg, #f43f5e 0%, #dc2626 100%);

    /* ===========================================
       BACKGROUND COLORS (Dark Theme - Default)
       =========================================== */
    --bg-body: #0f0f0f;
    --bg-dark: #1a1a2e;
    --bg-card: #16213e;
    --bg-elevated: #1e2642;
    --bg-input: #0d0d14;
    --bg-hover: rgba(102, 126, 234, 0.1);
    --bg-active: rgba(102, 126, 234, 0.2);

    /* Background with transparency */
    --bg-card-alpha: rgba(22, 33, 62, 0.95);
    --bg-overlay: rgba(0, 0, 0, 0.5);
    --bg-glass: rgba(22, 33, 62, 0.7);

    /* ===========================================
       TEXT COLORS
       =========================================== */
    --text-primary: #e4e4e4;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --text-inverse: #0f0f0f;
    --text-link: #667eea;
    --text-link-hover: #8b9df5;

    /* ===========================================
       BORDER COLORS
       =========================================== */
    --border-color: rgba(102, 126, 234, 0.2);
    --border-light: rgba(102, 126, 234, 0.1);
    --border-focus: #667eea;

    /* ===========================================
       STATUS COLORS
       =========================================== */
    --color-success: #10b981;
    --color-success-bg: rgba(16, 185, 129, 0.1);
    --color-warning: #f59e0b;
    --color-warning-bg: rgba(245, 158, 11, 0.1);
    --color-danger: #f43f5e;
    --color-danger-bg: rgba(244, 63, 94, 0.1);
    --color-info: #3b82f6;
    --color-info-bg: rgba(59, 130, 246, 0.1);

    /* ===========================================
       SHADOWS
       =========================================== */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 15px 50px rgba(0, 0, 0, 0.6);
    --shadow-primary: 0 4px 15px rgba(102, 126, 234, 0.4);
    --shadow-primary-lg: 0 10px 40px rgba(102, 126, 234, 0.3);

    /* ===========================================
       SPACING & SIZING
       =========================================== */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50px;

    /* ===========================================
       TRANSITIONS
       =========================================== */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* ===========================================
       TYPOGRAPHY
       =========================================== */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 3rem;

    /* ===========================================
       LAYOUT
       =========================================== */
    --navbar-height: 70px;
    --sidebar-width: 260px;
    --container-max-width: 1200px;

    /* ===========================================
       Z-INDEX SCALE
       =========================================== */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

/* ===========================================
   LIGHT THEME OVERRIDE
   =========================================== */
[data-theme="light"],
.theme-light {
    --bg-body: #f5f5f7;
    --bg-dark: #ffffff;
    --bg-card: #ffffff;
    --bg-elevated: #f8f8fc;
    --bg-input: #f5f5f7;
    --bg-hover: rgba(102, 126, 234, 0.08);
    --bg-active: rgba(102, 126, 234, 0.15);

    --bg-card-alpha: rgba(255, 255, 255, 0.95);
    --bg-overlay: rgba(0, 0, 0, 0.3);
    --bg-glass: rgba(255, 255, 255, 0.8);

    --text-primary: #1a1a2e;
    --text-secondary: #5c5c70;
    --text-muted: #8c8c9a;
    --text-inverse: #ffffff;

    --border-color: rgba(0, 0, 0, 0.1);
    --border-light: rgba(0, 0, 0, 0.05);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 15px 50px rgba(0, 0, 0, 0.2);
}

/* ===========================================
   BASE STYLES
   =========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===========================================
   UTILITY CLASSES
   =========================================== */

/* Gradient text */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Background utilities */
.bg-gradient-primary { background: var(--gradient-primary); }
.bg-gradient-secondary { background: var(--gradient-secondary); }
.bg-gradient-accent { background: var(--gradient-accent); }

/* Card base */
.card-theme {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* Button base with gradient */
.btn-gradient {
    background: var(--gradient-primary);
    border: none;
    color: white;
    padding: 12px 30px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-primary);
}

.btn-gradient:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

/* Form input base */
.input-theme {
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 12px 16px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: var(--transition-normal);
}

.input-theme:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.3);
}

.input-theme::placeholder {
    color: var(--text-muted);
}

/* Background gradient overlay */
.bg-gradient-overlay {
    position: relative;
}

.bg-gradient-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.15) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Section divider */
.title-divider {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto 2rem;
    border-radius: 2px;
}

/* Status badges */
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); }