/* ── Academic Support Widget Styles ── */
:root {
    --as-primary:      #1a73e8;
    --as-primary-dark: #1557b0;
    --as-success:      #0f9d58;
    --as-error:        #d93025;
    --as-border:       #dadce0;
    --as-border-focus: #1a73e8;
    --as-bg:           #ffffff;
    --as-bg-hover:     #f1f6ff;
    --as-text:         #1a1a1a;
    --as-muted:        #5f6368;
    --as-label:        #3c3c3c;
    --as-placeholder:  #9aa0a6;
    --as-radius:       10px;
    --as-field-radius: 8px;
    --as-shadow:       0 2px 12px rgba(0,0,0,.08);
}

.as-wrap {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    max-width: 680px;
    margin: 0 auto;
    color: var(--as-text);
    font-size: 14px;
}

/* ── Steps ── */
.as-step { transition: opacity .25s; }
.as-step--hidden { display: none !important; }

/* ── Title ── */
.as-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0 0 6px;
}
.as-amount-banner {
    font-size: .92rem;
    color: var(--as-muted);
    margin: 0 0 20px;
}

/* ══════════════════════════════════════
   AMOUNT GRID (Step 1)
══════════════════════════════════════ */
.as-amount-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 20px 0 8px;
}
.as-amount-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border: 1.5px solid var(--as-border);
    border-radius: var(--as-radius);
    cursor: pointer;
    background: var(--as-bg);
    transition: border-color .18s, background .18s, box-shadow .18s;
    min-height: 56px;
}
.as-amount-card input[type="radio"] {
    width: 18px; height: 18px;
    accent-color: var(--as-primary);
    cursor: pointer;
    flex-shrink: 0;
}
.as-amount-card:hover { border-color: var(--as-primary); background: var(--as-bg-hover); }
.as-amount-card:has(input[type="radio"]:checked) {
    border-color: var(--as-primary);
    background: var(--as-bg-hover);
    box-shadow: 0 0 0 3px rgba(26,115,232,.15);
}
.as-amount-label { font-size: 1rem; font-weight: 600; }
.as-amount-card--custom {
    grid-column: 1 / -1;
    padding: 10px 16px;
}
.as-amount-card--custom .as-amount-label { display: none; }
.as-custom-input {
    flex: 1;
    border: none; outline: none;
    font-size: .95rem;
    background: transparent;
    color: var(--as-text);
    font-family: inherit;
    padding: 4px 0;
}
.as-custom-input::placeholder { color: var(--as-placeholder); }

/* ══════════════════════════════════════
   FORM (Step 2)
══════════════════════════════════════ */
.as-form { display: flex; flex-direction: column; gap: 0; }

/* Section header */
.as-section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .95rem;
    font-weight: 600;
    color: var(--as-text);
    margin: 0 0 14px;
    padding-bottom: 0;
}
.as-section-icon {
    font-size: 1rem;
    color: var(--as-muted);
}
.as-section-icon--blue { color: var(--as-primary); }

/* Row: two-column grid */
.as-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}
.as-row--single {
    grid-template-columns: 1fr;
}

/* Field */
.as-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.as-field label {
    font-size: .8rem;
    font-weight: 500;
    color: var(--as-label);
    letter-spacing: .01em;
}
.as-req { color: var(--as-error); }

.as-field input,
.as-field textarea {
    border: 1.5px solid var(--as-border);
    border-radius: var(--as-field-radius);
    padding: 10px 13px;
    font-size: .9rem;
    font-family: inherit;
    color: var(--as-text);
    background: var(--as-bg);
    transition: border-color .18s, box-shadow .18s;
    width: 100%;
    box-sizing: border-box;
}
.as-field input:focus,
.as-field textarea:focus {
    outline: none;
    border-color: var(--as-border-focus);
    box-shadow: 0 0 0 3px rgba(26,115,232,.10);
}
.as-field input.as-invalid,
.as-field textarea.as-invalid {
    border-color: var(--as-error);
    box-shadow: 0 0 0 3px rgba(217,48,37,.08);
}
.as-field input::placeholder { color: var(--as-placeholder); }

/* Phone prefix */
.as-phone-wrap {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--as-border);
    border-radius: var(--as-field-radius);
    overflow: hidden;
    transition: border-color .18s, box-shadow .18s;
    background: var(--as-bg);
}
.as-phone-wrap:focus-within {
    border-color: var(--as-border-focus);
    box-shadow: 0 0 0 3px rgba(26,115,232,.10);
}
.as-phone-wrap.as-invalid { border-color: var(--as-error); }
.as-phone-prefix {
    padding: 10px 10px 10px 13px;
    font-size: .88rem;
    color: var(--as-muted);
    background: #f8f9fa;
    border-right: 1.5px solid var(--as-border);
    white-space: nowrap;
    user-select: none;
}
.as-phone-wrap input {
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    flex: 1;
    padding: 10px 13px;
}
.as-phone-wrap input:focus { outline: none; border: none; box-shadow: none !important; }

/* Alumni checkbox */
.as-alumni-check {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    padding: 2px 0;
}
.as-alumni-check input[type="checkbox"] {
    width: 17px; height: 17px;
    accent-color: var(--as-primary);
    cursor: pointer;
    border-radius: 4px;
    flex-shrink: 0;
}
.as-alumni-label {
    font-size: .88rem;
    color: var(--as-text);
}

/* Field error */
.as-field-error {
    font-size: .76rem;
    color: var(--as-error);
    min-height: 14px;
    line-height: 1.3;
}

/* General error */
.as-error {
    color: var(--as-error);
    font-size: .85rem;
    margin: 4px 0 0;
    min-height: 16px;
}

/* ══════════════════════════════════════
   BUTTONS
══════════════════════════════════════ */
.as-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--as-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 13px 32px;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .18s, transform .1s, box-shadow .18s;
    margin-top: 18px;
    width: 100%;
    font-family: inherit;
    box-shadow: 0 2px 8px rgba(26,115,232,.22);
    letter-spacing: .01em;
}
.as-btn:hover  { background: var(--as-primary-dark); box-shadow: 0 4px 14px rgba(26,115,232,.32); }
.as-btn:active { transform: scale(.98); }
.as-btn--outline {
    background: transparent;
    border: 2px solid var(--as-primary);
    color: var(--as-primary);
    box-shadow: none;
}
.as-btn--outline:hover { background: var(--as-bg-hover); box-shadow: none; }

.as-back-btn {
    background: none; border: none;
    color: var(--as-primary);
    cursor: pointer;
    font-size: .88rem;
    font-family: inherit;
    padding: 0;
    margin-bottom: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.as-back-btn:hover { text-decoration: underline; }

/* ══════════════════════════════════════
   SUCCESS
══════════════════════════════════════ */
.as-success { text-align: center; padding: 32px 16px; }
.as-success-icon {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: var(--as-success);
    color: #fff;
    font-size: 2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 4px 20px rgba(15,157,88,.3);
    animation: as-pop .4s cubic-bezier(.34,1.56,.64,1);
}
@keyframes as-pop { from { transform:scale(0); opacity:0; } to { transform:scale(1); opacity:1; } }
.as-success h2 { color: var(--as-success); margin: 0 0 8px; font-size: 1.5rem; }
.as-success p  { color: var(--as-muted); margin: 0 0 12px; }
.as-payment-id { font-size: .83rem; color: #888; }

/* ══════════════════════════════════════
   LOADING
══════════════════════════════════════ */
.as-loading { text-align: center; padding: 40px; }
.as-spinner {
    width: 40px; height: 40px;
    border: 4px solid #e8eaed;
    border-top-color: var(--as-primary);
    border-radius: 50%;
    margin: 0 auto 12px;
    animation: as-spin .7s linear infinite;
}
@keyframes as-spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 520px) {
    .as-amount-grid { grid-template-columns: 1fr 1fr; }
    .as-amount-card--custom { grid-column: 1 / -1; }
    .as-row { grid-template-columns: 1fr; }
}