:root {
    --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --motion-fast: 120ms;
    --motion-base: 180ms;
    --uoft-navy: #002A5C;
    --uoft-blue: #005596;
}

body {
    background: linear-gradient(135deg, #f5f5f7 0%, #e0f2fe 100%);
    background-attachment: fixed;
    min-height: 100vh;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    overflow-x: hidden;
}

/* View exit animation */
.view-exit {
    opacity: 0 !important;
    transform: scale(0.97) translateY(-10px) !important;
    filter: blur(2px) !important;
    transition: all var(--motion-fast) var(--ease-out) !important;
}

/* View enter animation */
.view-enter {
    animation: viewEnter var(--motion-base) var(--ease-out) forwards;
}

@keyframes viewEnter {
    0%   { opacity: 0; transform: scale(1.02) translateY(10px); filter: blur(2px); }
    100% { opacity: 1; transform: scale(1) translateY(0);       filter: blur(0);   }
}

.stagger-1 { animation: viewEnter var(--motion-base) var(--ease-out)   0ms forwards; opacity: 0; }
.stagger-2 { animation: viewEnter var(--motion-base) var(--ease-out)  40ms forwards; opacity: 0; }
.stagger-3 { animation: viewEnter var(--motion-base) var(--ease-out)  80ms forwards; opacity: 0; }
.stagger-4 { animation: viewEnter var(--motion-base) var(--ease-out) 120ms forwards; opacity: 0; }

/* Step progress */
.progress-track {
    display: flex;
    gap: 4px;
    width: 100%;
    height: 100%;
}
.progress-step {
    flex: 1 1 0;
    height: 100%;
    border-radius: 999px;
    background: rgba(0, 42, 92, 0.12);
    position: relative;
    overflow: hidden;
}
.progress-step::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: var(--uoft-blue);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform var(--motion-base) var(--ease-out);
}
.progress-step.is-done::after,
.progress-step.is-current::after {
    transform: scaleX(1);
}
.progress-step.is-current::after {
    background: var(--uoft-navy);
}

/* Card */
.card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    transition: box-shadow var(--motion-base) var(--ease-out);
}
.card:hover {
    box-shadow: 0 15px 50px rgba(0, 42, 92, 0.08);
}

/* Radio cards */
.radio-card {
    transition: all var(--motion-fast) var(--ease-out);
}
input[type="radio"]:checked + div {
    border-color: var(--uoft-navy);
    background-color: rgba(0, 42, 92, 0.04);
    box-shadow: 0 0 0 1px var(--uoft-navy);
    transform: scale(1.02);
}
input[type="radio"]:checked + div .check-icon {
    opacity: 1;
    transform: scale(1);
}
.check-icon {
    opacity: 0;
    transform: scale(0.2);
    transition: all var(--motion-base) var(--ease-spring);
}

/* Floating label inputs */
.floating-input-container {
    position: relative;
    padding-top: 14px;
}
.floating-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid #d2d2d7;
    border-radius: 14px;
    outline: none;
    transition: all var(--motion-fast) var(--ease-out);
    color: #1d1d1f;
}
.floating-input:focus {
    border-color: var(--uoft-blue);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(0, 85, 150, 0.1);
}
.floating-label {
    position: absolute;
    left: 16px;
    top: 30px;
    color: #86868b;
    font-size: 16px;
    pointer-events: none;
    transition: all var(--motion-fast) var(--ease-out);
}
.floating-input:focus ~ .floating-label,
.floating-input:not(:placeholder-shown) ~ .floating-label,
.floating-label.is-pinned {
    top: -4px;
    left: 12px;
    font-size: 12px;
    color: var(--uoft-navy);
    font-weight: 600;
    padding: 0 4px;
}

/* Toggle switch */
.toggle {
    appearance: none;
    -webkit-appearance: none;
    width: 52px;
    height: 32px;
    background: #e5e5ea;
    border-radius: 32px;
    position: relative;
    cursor: pointer;
    outline: none;
    flex-shrink: 0;
    transition: background var(--motion-fast) var(--ease-out);
}
.toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 28px;
    height: 28px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: transform var(--motion-base) var(--ease-spring);
}
.toggle:checked {
    background: var(--uoft-blue);
}
.toggle:checked::after {
    transform: translateX(20px);
}

/* Success checkmark */
.success-checkmark {
    width: 90px;
    height: 90px;
    margin: 0 auto;
    border-radius: 50%;
    background: var(--uoft-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    animation: checkPop var(--motion-base) var(--ease-spring) forwards;
}
.success-checkmark svg {
    width: 54%;
    height: 54%;
    overflow: visible;
}
.success-checkmark path {
    fill: none;
    stroke: #fff;
    stroke-width: 5;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: drawCheck 280ms var(--ease-out) 120ms forwards;
}
@keyframes checkPop {
    0%   { transform: scale(0.6); opacity: 0; }
    60%  { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}
@keyframes drawCheck { to { stroke-dashoffset: 0; } }

/* Range slider */
input[type=range] { -webkit-appearance: none; background: transparent; width: 100%; }
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 28px;
    width: 28px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    cursor: pointer;
    margin-top: -10px;
    border: 0.5px solid rgba(0,0,0,0.1);
    transition: transform 0.1s ease;
}
input[type=range]:active::-webkit-slider-thumb { transform: scale(1.1); }
input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 8px;
    background: #e5e5ea;
    border-radius: 4px;
}
input[type=range]:focus { outline: none; }

/* Respect reduced-motion: show final state, skip the motion */
@media (prefers-reduced-motion: reduce) {
    .view-enter,
    .stagger-1, .stagger-2, .stagger-3, .stagger-4,
    .success-checkmark { animation: none; opacity: 1; transform: none; }
    .view-exit { transition: none; }
    .success-checkmark path { animation: none; stroke-dashoffset: 0; }
}