/* ===== Loading Spinner ===== */
.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #e2e8f0;
    border-top: 4px solid #f43f5e;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #64748b; }

/* ===== Smooth Scroll ===== */
html { scroll-behavior: smooth; }

/* ===== Focus Styles ===== */
input:focus-visible, textarea:focus-visible, button:focus-visible {
    outline: 2px solid #f43f5e;
    outline-offset: 2px;
}

/* ===== Selection ===== */
::selection { background: #f43f5e; color: white; }

/* ===== Button Ripple ===== */
.btn-ripple { position: relative; overflow: hidden; }
.btn-ripple::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255,255,255,0.2) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}
.btn-ripple:hover::after { opacity: 1; }

/* ===== Navbar Scrolled ===== */
#navbar.scrolled { box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1); }

/* ===== Date Input Fix ===== */
input[type="date"]::-webkit-calendar-picker-indicator { cursor: pointer; }

/* ===== Mobile Menu Animation ===== */
#mobileMenu.open { display: block; animation: slideDown 0.3s ease-out; }
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Form Message Animation ===== */
#formMessage.show { display: block; animation: fadeIn 0.3s ease-out; }