/* ============================================================
   PET TOOLS PREMIUM - DESIGN SYSTEM 2.0
   SaaS Aesthetic / Glassmorphism / Elite UX
   ============================================================ */

:root {
    /* Color Palette */
    --pag-deep: #064e3b;
    --pag-primary: #10b981;
    --pag-primary-soft: #ecfdf5;
    --pag-accent: #f59e0b;
    --pag-slate: #0f172a;
    --pag-slate-soft: #475569;
    --pag-border: rgba(226, 232, 240, 0.5);
    
    /* Layout Tokens */
    --pag-radius-lg: 24px;
    --pag-radius-md: 16px;
    --pag-shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --pag-shadow-elite: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    --pag-glass: rgba(255, 255, 255, 0.85);

    /* Animation Tokens */
    --pag-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset & Body */
.pag-tools-hub, .pag-tool-page {
    background-color: #fcfcfd;
    font-family: 'Inter', -apple-system, system-ui, sans-serif;
    color: var(--pag-slate);
    line-height: 1.6;
}

/* ============================================================ */
/* 1. PREMIUM HERO DESIGN                                       */
/* ============================================================ */
.pag-tools-hero {
    background: linear-gradient(135deg, var(--pag-deep) 0%, #065f46 100%);
    color: white;
    padding: 8rem 0 10rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
}

/* Subtle Geometric Pattern */
.pag-tools-hero::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(circle at 2px 2px, rgba(255,255,255,0.05) 1px, transparent 0);
    background-size: 32px 32px;
}

.pag-hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    letter-spacing: -0.04em;
    line-height: 1;
    text-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.pag-hero-subtitle {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
    font-weight: 400;
}

/* ============================================================ */
/* 2. SILO LAYOUT SYSTEM                                        */
/* ============================================================ */
.pag-tool-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    margin-top: -6rem; /* Pull tool onto hero */
    position: relative;
    z-index: 20;
}

@media (min-width: 1024px) {
    .pag-tool-layout {
        grid-template-columns: 1fr 360px;
        align-items: start;
    }
}

.pag-tool-main {
    min-width: 0;
}

/* Sticky Sidebar Widgetry */
.pag-tool-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .pag-tool-sidebar {
        position: sticky;
        top: 100px;
    }
}

/* ============================================================ */
/* 3. DECISION ENGINE CARDS (GLASSMORPHISM)                     */
/* ============================================================ */
.pag-tool-wrapper {
    background: var(--pag-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: var(--pag-radius-lg);
    box-shadow: var(--pag-shadow-elite);
    overflow: hidden;
    transition: var(--pag-transition);
}

.pag-tool-header {
    background: rgba(248, 250, 252, 0.5);
    padding: 2.5rem 3rem;
    border-bottom: 1px solid var(--pag-border);
}

.pag-tool-header h3 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--pag-slate);
}

.pag-tool-badge {
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    color: var(--pag-primary);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
    margin-bottom: 1rem;
}

.pag-tool-body {
    padding: 3rem;
}

/* Input Styles */
.pag-input-group label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--pag-slate-soft);
    margin-bottom: 0.75rem;
}

select, input {
    background: white;
    border: 1px solid var(--pag-border);
    padding: 16px 20px;
    font-size: 1.1rem;
    border-radius: 16px;
    transition: var(--pag-transition);
}

select:focus, input:focus {
    border-color: var(--pag-primary);
    box-shadow: 0 0 0 5px var(--pag-primary-soft);
    transform: translateY(-1px);
}

/* ============================================================ */
/* 4. VISUAL METERS & GAUGES                                    */
/* ============================================================ */

/* Result Card */
.pag-tool-result {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--pag-slate);
    border-radius: var(--pag-radius-md);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.result-value {
    color: var(--pag-primary);
    font-size: 2.5rem;
    font-weight: 900;
}

/* Life Stage Progress Meter */
.pag-meter-container {
    height: 12px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    margin: 1.5rem 0;
    position: relative;
    overflow: hidden;
}

.pag-meter-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
    width: 0%;
    transition: width 1s ease-out;
}

/* Safety Gauge Badge */
.pag-gauge-badge {
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 800;
    font-size: 1.5rem;
    display: inline-block;
    margin-bottom: 1rem;
}

/* ============================================================ */
/* 5. SIDEBAR WIDGETS (ELITE CARDS)                             */
/* ============================================================ */
.pag-sidebar-widget {
    background: white;
    border-radius: var(--pag-radius-md);
    padding: 2rem;
    border: 1px solid var(--pag-border);
    box-shadow: var(--pag-shadow-soft);
}

.pag-widget-title {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--pag-slate);
}

.pag-sidebar-link-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 12px;
    text-decoration: none;
    background: #f8fafc;
    border: 1px solid transparent;
    transition: var(--pag-transition);
}

.pag-sidebar-link-item:hover {
    background: white;
    border-color: var(--pag-primary);
    transform: translateX(5px);
    box-shadow: var(--pag-shadow-soft);
}

.pag-sidebar-link-item .link-icon {
    font-size: 1.5rem;
    background: white;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    box-shadow: var(--pag-shadow-soft);
}

/* Expert Badge Sidebar Asset */
.pag-expert-badge-wrap {
    background: var(--pag-deep);
    color: white;
    text-align: center;
    padding: 2.5rem 2rem;
    border-radius: var(--pag-radius-md);
}

.pag-expert-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 10px 10px rgba(0,0,0,0.2));
}

/* ============================================================ */
/* 6. TYPOGRAPHY & SEO CONTENT                                  */
/* ============================================================ */
.pag-tool-seo-content {
    background: white;
    padding: 4rem;
    border-radius: var(--pag-radius-lg);
    border: 1px solid var(--pag-border);
    margin-top: 4rem;
    box-shadow: var(--pag-shadow-soft);
}

.pag-tool-seo-content h2 {
    font-size: 2.5rem;
    font-weight: 850;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
}

.pag-tool-seo-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: var(--pag-slate-soft);
}

/* Hub Grid Enhancements */
.pag-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

/* ANIMATIONS */
@keyframes toolSpinUp {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.pag-tool-wrapper {
    animation: toolSpinUp 0.6s ease-out;
}