* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    letter-spacing: -0.035em;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

label {
    font-family: var(--font-body);
    display: block;
    font-weight: 500;
    margin-bottom: 0.375rem;
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

input[type="text"],
select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: var(--font-body);
    border: 1px solid var(--color-border);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

input[type="text"]:focus,
select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

input[type="text"]::placeholder {
    color: var(--color-text-tertiary);
}

button {
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================
   Accessibility (WCAG 2.1 AAA Keyboard Focus Rings)
   ============================================================ */
:focus-visible {
    outline: 2px solid var(--color-accent) !important;
    outline-offset: 3px !important;
    box-shadow: 0 0 0 4px rgba(88, 166, 255, 0.25) !important;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
.autocomplete-item:focus-visible,
.entity-card:focus-visible,
summary:focus-visible,
[tabindex="0"]:focus-visible {
    outline: 2px solid var(--color-accent) !important;
    outline-offset: 2px !important;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Scroll-triggered reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }