/* === Base Styles & Variables === */
:root {
  --primary: #f97316; /* Orange */
  --primary-dark: #ea580c;
  --primary-light: #fdba74;
  --secondary: #6c757d; /* Grey for secondary buttons */
  --secondary-dark: #5a6268;
  --text: #1a1a1a;
  --background: #ffffff;
  --error: #ef4444; /* Red */
  --success: #22c55e; /* Green */
  --border-radius: 0.8rem;
  --box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Poppins', sans-serif;
  background: #f9fafb;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem 1rem;
}

/* === Kiosk Structure === */
.kiosk-wrapper {
  width: 100%;
  max-width: 960px;
  background: var(--background);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
}

.kiosk-header {
  background: var(--primary);
  color: white;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon { font-size: 2.5rem; }
.logo-text h1 { font-size: 1.6rem; font-weight: 600; margin: 0; }
.logo-text p { font-size: 0.9rem; opacity: 0.9; margin: 0; }

main#app { padding: 2rem; }

.kiosk-footer {
  text-align: center;
  padding: 1.5rem;
  background: #f3f4f6;
  font-size: 0.9rem;
  color: #4b5563;
  border-top: 1px solid #e5e7eb;
}
.kiosk-footer a { color: var(--primary); text-decoration: none; transition: var(--transition); }
.kiosk-footer a:hover { color: var(--primary-dark); text-decoration: underline; }

/* === View Handling === */
.view { display: none; flex-direction: column; align-items: center; width: 100%; }
.active-view { display: flex; animation: fadeIn 0.5s ease-in-out; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.centered { text-align: center; padding: 1rem; width: 100%; display: flex; flex-direction: column; align-items: center; }

/* === Shared Elements Styling === */
h2 { font-size: 1.8rem; margin-bottom: 1rem; color: #333; }
h3 { font-size: 1.4rem; margin-top: 1.5rem; margin-bottom: 1rem; color: var(--primary-dark); }
p { margin-bottom: 1rem; line-height: 1.6; max-width: 600px; }
.note { font-size: 0.95rem; color: #6b7280; margin: 1.5rem 0; padding: 0.8rem; background-color: #f3f4f6; border-radius: var(--border-radius); border: 1px solid #e5e7eb; max-width: 80%; }
.note i { margin-right: 0.5rem; color: var(--primary); }
.button-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }

/* General Button Styles */
button { background: var(--primary); color: white; border: none; padding: 0.9rem 1.8rem; font-size: 1rem; font-weight: 500; font-family: 'Poppins', sans-serif; border-radius: var(--border-radius); cursor: pointer; transition: var(--transition); display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem; }
button:hover:not(:disabled) { background: var(--primary-dark); box-shadow: 0 4px 15px rgba(0,0,0,0.1); transform: translateY(-2px); }
button:active:not(:disabled) { transform: translateY(0px); box-shadow: var(--box-shadow); }
button:disabled { background-color: #ccc; cursor: not-allowed; opacity: 0.7; }
button.primary-btn {} /* Default style */
button.secondary-btn { background: var(--secondary); }
button.secondary-btn:hover:not(:disabled) { background: var(--secondary-dark); }

/* Input Field Styles */
input[type="text"], input[type="email"], input[type="tel"], input[type="date"], textarea { width: 100%; padding: 0.9rem 1rem; border: 2px solid #e5e7eb; border-radius: var(--border-radius); margin-bottom: 0; /* Remove bottom margin, handled by form-group */ font-size: 1rem; font-family: 'Poppins', sans-serif; transition: var(--transition); }
input:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); outline: none; }
textarea { min-height: 80px; resize: vertical; }

/* === Specific View Styles === */
/* Lookup View */
.welcome-icon { font-size: 3rem; color: var(--primary); margin-bottom: 1rem; }
.lookup-form { margin-top: 1rem; /* Reduced margin */ width: 100%; max-width: 450px; display: flex; flex-direction: column; align-items: center; }
.lookup-type { display: flex; justify-content: center; gap: 2rem; margin-bottom: 1.5rem; }
.lookup-type label { cursor: pointer; font-size: 1.1rem; }
.lookup-type input[type="radio"] { margin-right: 0.5rem; accent-color: var(--primary); transform: scale(1.2); }

/* Found View */
.avatar { font-size: 3rem; color: var(--primary); margin-bottom: 1rem; background-color: var(--primary-light); border-radius: 50%; width: 60px; height: 60px; display: inline-flex; justify-content: center; align-items: center; color: var(--primary-dark); }
.children-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin: 1.5rem 0; width: 100%; max-width: 800px; }
.child-item { background: white; border: 1px solid #e5e7eb; border-radius: var(--border-radius); padding: 1.5rem; box-shadow: 0 4px 10px rgba(0,0,0,0.05); display: flex; flex-direction: column; gap: 1rem; }
.child-info { display: flex; align-items: center; gap: 1rem; }
.child-avatar { background-color: var(--primary-light); color: var(--primary-dark); font-weight: 600; border-radius: 50%; width: 45px; height: 45px; display: flex; justify-content: center; align-items: center; font-size: 1.2rem; flex-shrink: 0; }
.child-details { flex-grow: 1; text-align: left; }
.child-name { font-weight: 600; font-size: 1.1rem; }
.child-status { font-size: 0.9rem; padding: 0.2rem 0.6rem; border-radius: 1rem; display: inline-block; margin-top: 0.3rem; }
.status-in { background-color: #dcfce7; color: var(--success); border: 1px solid var(--success); }
.status-out { background-color: #fee2e2; color: var(--error); border: 1px solid var(--error); }
.child-actions { margin-top: 1rem; text-align: right; }
.child-actions button { padding: 0.7rem 1.4rem; font-size: 0.95rem; }
.checkin-btn { background-color: var(--success); }
.checkin-btn:hover:not(:disabled) { background-color: #16a34a; }
.checkout-btn { background-color: var(--error); }
.checkout-btn:hover:not(:disabled) { background-color: #dc2626; }

/* Not Found View */
.not-found-icon { font-size: 3rem; color: var(--error); margin-bottom: 1rem; }

/* Registration View */
.registration-step { display: none; width: 100%; max-width: 700px; flex-direction: column; align-items: center; padding: 1rem 0; }
.active-step { display: flex; animation: fadeIn 0.5s ease-in-out; }
.registration-form { width: 100%; }
.registration-form fieldset { border: 1px solid #e5e7eb; padding: 1.5rem; border-radius: var(--border-radius); margin-bottom: 1.5rem; width: 100%; }
.registration-form legend { font-weight: 600; padding: 0 0.5rem; font-size: 1.1rem; color: var(--primary); display: inline-flex; align-items: center; gap: 0.5rem; }
.form-group { margin-bottom: 1.2rem; text-align: left; }
.form-group label { display: block; margin-bottom: 0.4rem; font-weight: 500; font-size: 0.95rem; }
.form-group .optional { font-weight: 400; color: #6b7280; font-size: 0.85rem; margin-left: 0.3rem; }
.form-actions { margin-top: 2rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; width: 100%; }
.step-instruction { font-weight: 600; font-size: 1.2em; margin-bottom: 1.5rem; color: #333; }

/* Multi-Column Layout for Registration Forms */
.form-row { width: 100%; display: flex; flex-direction: column; gap: 0; }
.form-group.half-width { } /* No special style needed for stacking */

/* Apply multi-column layout on screens >= 768px */
@media (min-width: 768px) {
    .form-row { flex-direction: row; gap: 1.5rem; }
    .form-group.half-width { flex: 1 1 calc(50% - 0.75rem); margin-bottom: 0; }
    .form-row .form-group input,
    .form-row .form-group textarea { width: 100%; }
    .registration-step { max-width: 800px; } /* Allow slightly wider step */
}

/* Error & Message Styles */
/* Applied to #lookup-message, #lookup-error, #action-message, #registration-error */
.error-message, .message {
    padding: 1rem;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    margin-top: 1rem; /* Ensure spacing above */
    margin-bottom: 1rem; /* Add spacing below */
    width: 100%;
    max-width: 600px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.error-message { background: #fee2e2; color: var(--error); border: 1px solid var(--error); }
.message { background: #dcfce7; color: var(--success); border: 1px solid var(--success); }

.hidden { display: none !important; } /* Utility class if needed */