/**
 * naner.bio - Biorhythm Coffee Planner v2.16
 * Author: Tomasz Fiedoruk & AI Team
 * Based on aimy.bio
 */

/* === CSS Variables (Coffee Theme) === */
:root {
    --color-background: #2a1c18;
    --color-surface: #3e2723;
    --color-text: #f5f5f5;
    --color-text-secondary: #a1887f;
    --color-primary: #d7ccc8;
    --color-accent: #ffab40;
    --color-border: #4e342e;
    --color-danger: #ef5350;

    --color-physical: #81d4fa;
    --color-emotional: #ffd54f;
    --color-intellectual: #ce93d8;
    --color-warning: #ffb74d;

    --font-primary: 'Roboto', sans-serif;
    --font-display: 'Caveat', cursive;
    --border-radius: 24px;
    --shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    --max-width: 500px;
    --transition-speed: 0.3s ease;
}

/* === Base & Reset === */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-primary);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    display: flex;
    justify-content: center;
}

/* === Main App Container & Header === */
.app-container { width: 100%; max-width: var(--max-width); padding: 1rem 1.5rem; display: flex; flex-direction: column; }
.app-header { display: flex; justify-content: space-between; align-items: center; padding: 0.5rem 0; margin-bottom: 1rem; }
.logo { position: relative; padding: 0 0.5rem; }
.logo-text {
    font-family: var(--font-display);
    font-size: 3.5rem; line-height: 1;
    background: linear-gradient(60deg, #cccccc, #ffffff, #d4d4d4, #ffffff, #cccccc);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    background-size: 200% 200%; animation: shine 5s infinite;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
    padding-right: 5px;
}
@keyframes shine { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }
.tagline { font-family: var(--font-display); font-size: 1.2rem; color: var(--color-text-secondary); position: absolute; bottom: -10px; left: 2.5em; z-index: -1; }
.icon-btn { background: none; border: none; cursor: pointer; color: var(--color-text-secondary); transition: color var(--transition-speed), transform var(--transition-speed); padding: 0.5rem; display: flex; align-items: center; justify-content: center; }
.icon-btn svg { width: 32px; height: 32px; stroke: var(--color-text-secondary); transition: stroke var(--transition-speed); }
.icon-btn:hover { transform: rotate(15deg); }
.icon-btn:hover svg { stroke: var(--color-primary); }

/* === Card Layout === */
.card { background-color: var(--color-surface); padding: 1.5rem; border-radius: var(--border-radius); box-shadow: var(--shadow); margin-bottom: 1.5rem; border: 1px solid var(--color-border); }
.card-title { font-size: 1rem; font-weight: 500; color: var(--color-text-secondary); margin-bottom: 0.5rem; text-align: center; display: flex; align-items: center; justify-content: center; gap: 0.5rem; }

/* === Harmony Card Layout === */
.harmony-card { display: flex; flex-direction: column; align-items: center; padding: 1.5rem 1rem; }
.harmony-value-container { display: flex; align-items: center; gap: 0.75rem; }
.harmony-value { font-size: 4.5rem; font-weight: 700; color: var(--color-primary); line-height: 1; }
.harmony-trend-arrow { width: 30px; height: 30px; transition: opacity var(--transition-speed); background-color: var(--color-primary); }
.harmony-trend-arrow.up { mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M12 4l8 8h-6v8h-4v-8H4l8-8z'/%3E%3C/svg%3E") no-repeat center / contain; }
.harmony-trend-arrow.down { mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M12 20l-8-8h6V4h4v8h6l-8 8z'/%3E%3C/svg%3E") no-repeat center / contain; }
.harmony-cycles-container { display: flex; justify-content: center; align-items: flex-start; gap: 1.5rem; width: 100%; margin-top: 1.5rem; }

/* === Cycle Capsule === */
.cycle-capsule { text-align: center; flex: 1; max-width: 100px; }
.cycle-progress-container { position: relative; width: 80px; height: 80px; margin: 0 auto; }
.cycle-progress-svg { transform: rotate(-90deg); }
.progress-bg { fill: none; stroke: var(--color-border); stroke-width: 12; }
.progress-bar { fill: none; stroke-width: 12; stroke-linecap: round; transition: stroke-dashoffset var(--transition-speed), stroke var(--transition-speed); }
.cycle-value-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 1.25rem; font-weight: 700; }
.cycle-trend-arrow-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: 60%; background-position: center; background-repeat: no-repeat; opacity: 0.15; background-color: currentColor; }
.cycle-trend-arrow-overlay.up { mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M12 4l8 8h-6v8h-4v-8H4l8-8z'/%3E%3C/svg%3E") no-repeat center / contain; }
.cycle-trend-arrow-overlay.down { mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M12 20l-8-8h6V4h4v8h6l-8 8z'/%3E%3C/svg%3E") no-repeat center / contain; }
.cycle-details { display: flex; align-items: center; justify-content: center; gap: 0.3rem; font-weight: 500; font-size: 0.8rem; margin-top: 0.25rem; color: var(--color-text); }
.cycle-details span { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; }
.cycle-details .ph { font-size: 1.2rem; }
#physical-cycle .ph { color: var(--color-physical); }
#emotional-cycle .ph { color: var(--color-emotional); }
#intellectual-cycle .ph { color: var(--color-intellectual); }

/* === Events Summary Card === */
.events-card { padding: 1.5rem; }
.summary-content { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; text-align: center; margin-top: 1rem; }
.summary-item h3 { font-size: 0.9rem; font-weight: 700; color: var(--color-text-secondary); display: flex; align-items: center; justify-content: center; gap: 0.25rem; margin-bottom: 0.5rem; }
.summary-item h3 .ph { font-size: 1.2em; }
.info-btn { background: none; border: 1px solid var(--color-border); border-radius: 50%; width: 18px; height: 18px; font-size: 0.8rem; line-height: 16px; cursor: pointer; color: var(--color-text-secondary); transition: all var(--transition-speed); }
.info-btn:hover { background-color: var(--color-border); color: var(--color-text); }
.summary-item p { font-size: 0.9rem; line-height: 1.5; }
.summary-item p span { display: block; font-weight: 700; }
.summary-item .date-value { font-weight: 700; font-size: 1rem; color: var(--color-primary); }
.summary-item-group { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; background-color: rgba(0,0,0,0.2); border: 1px solid rgba(255,255,255,0.1); border-radius: 18px; padding: 1rem; margin-top: 1rem; }

/* === Biorhythm Info Section === */
.biorhythm-info-section { text-align: center; margin-bottom: 1.5rem; }
#biorhythm-info-btn { background: none; border: none; cursor: pointer; color: var(--color-text-secondary); transition: all var(--transition-speed); }
#biorhythm-info-btn:hover { color: var(--color-primary); transform: scale(1.1); }
#biorhythm-info-btn .ph { font-size: 48px; }
#biorhythm-info-modal .modal-content { position: relative; background-color: var(--color-primary); color: var(--color-background); text-align: center; }
#biorhythm-info-modal .modal-content::after { content: ''; position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%); border-width: 20px 20px 0 20px; border-style: solid; border-color: var(--color-primary) transparent transparent transparent; }
#biorhythm-info-modal p { font-size: 1.1rem; line-height: 1.7; }
#biorhythm-info-modal .close-btn { color: var(--color-background); }

/* === Chart & Footer === */
#chart-container { margin-top: 1rem; padding: 1rem; }
#biorhythm-chart { min-height: 300px; }
.app-footer { text-align: center; padding: 2rem 0 1rem; font-size: 0.9rem; color: var(--color-text-secondary); }
.footer-branding { font-family: var(--font-display); font-size: 2rem; color: var(--color-primary); margin-bottom: 1rem; }
.footer-branding span { display: block; font-size: 2.5rem; line-height: 1; }
.app-footer .heart { color: var(--color-danger); font-size: 1.2em; }
.app-footer .footer-contact { font-size: 0.8rem; margin-top: 0.25rem; }
.app-footer a { color: var(--color-primary); text-decoration: none; font-weight: 700; }
.app-footer a:hover { text-decoration: underline; color: var(--color-accent); }
.dev-stats { margin-top: 1.5rem; font-size: 0.75rem; opacity: 0.8; }
.stat-item { display: inline-block; }
.stat-separator { margin: 0 0.5rem; }
.footer-attribution { margin-top: 1.5rem; font-size: 0.8rem; opacity: 0.7; }

/* === Modals & Buttons === */
.btn { background-color: var(--color-primary); color: var(--color-surface); border: none; padding: 0.75rem 1.5rem; border-radius: var(--border-radius); font-size: 1rem; font-weight: 700; cursor: pointer; transition: all var(--transition-speed); text-transform: lowercase; width: 100%; }
.btn:hover { background-color: var(--color-accent); color: var(--color-background); transform: translateY(-2px); box-shadow: 0 4px 8px rgba(0,0,0,0.2); }
.btn-secondary { background-color: var(--color-text-secondary); color: var(--color-background); }
.btn-secondary:hover { background-color: #795548; }
.btn-danger { background-color: var(--color-danger); color: var(--color-text); }
.btn-danger:hover { background-color: #d32f2f; }
.btn-outline-danger { background-color: transparent; border: 2px solid var(--color-danger); color: var(--color-danger); font-weight: 700; padding: calc(0.75rem - 2px) calc(1.5rem - 2px); }
.btn-outline-danger:hover { background-color: var(--color-danger); color: white; }

.modal { position: fixed; z-index: 100; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.6); backdrop-filter: blur(5px); display: flex; justify-content: center; align-items: center; animation: fadeIn 0.3s; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-content { background-color: var(--color-surface); padding: 2rem; border-radius: var(--border-radius); box-shadow: 0 8px 24px rgba(0,0,0,0.2); width: 90%; max-width: 400px; position: relative; border: 1px solid var(--color-border); overflow-y: auto; max-height: 90vh; }
.close-btn { position: absolute; top: 1rem; right: 1rem; font-size: 1.5rem; background: none; border: none; cursor: pointer; color: var(--color-text-secondary); }
.close-btn:hover { color: var(--color-text); }
.modal-content h2 { margin-bottom: 1.5rem; text-align: center; color: var(--color-primary); }

/* Form & Actions */
.form-column { display: flex; flex-direction: column; gap: 1rem; }
#birthdate-form { display: flex; flex-direction: column; gap: 1rem; }
#birthdate-form label { font-weight: 700; font-size: 0.9rem; color: var(--color-text-secondary); margin-bottom: -0.5rem; }
.date-picker-container { display: flex; gap: 0.5rem; align-items: center; }
.date-select {
    width: 100%; padding: 0.75rem; border: 1px solid var(--color-border); border-radius: var(--border-radius);
    font-size: 1rem; background-color: var(--color-background); color: var(--color-text);
    -webkit-appearance: none; -moz-appearance: none; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23a1887f' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 0.75rem center; background-size: 1em;
}
#birth-day { flex: 1 1 25%; }
#birth-month { flex: 1 1 45%; }
#birth-year { flex: 1 1 30%; }

.time-toggle-container { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.5rem; }
.time-toggle-container label { margin-bottom: 0; cursor: pointer; color: var(--color-text-secondary); }
.time-picker-wrapper { display: none; flex-direction: column; gap: 1rem; margin-top: 1rem; }
.time-picker-wrapper.visible { display: flex; }
.time-picker-container { display: flex; gap: 0.5rem; align-items: center; }
.time-picker-container span { font-size: 1.5rem; font-weight: 700; color: var(--color-border); }
#birth-hour, #birth-minute { flex: 1 1 50%; }

.modal-actions { display: flex; flex-direction: column; gap: 1rem; }
.language-switcher { text-align: center; }
.language-switcher p { font-size: 0.9rem; color: var(--color-text-secondary); margin-bottom: 0.5rem; }
.language-switcher .lang-btn { background: none; border: 1px solid var(--color-border); color: var(--color-text-secondary); display: inline-block; width: auto; padding: 0.5rem 1rem; }
.language-switcher .lang-btn.active { background-color: var(--color-primary); color: var(--color-background); border-color: var(--color-primary); }

.sharing-section { text-align: center; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }
.sharing-section p[data-lang-key="sharingTitle"] { font-family: var(--font-display); font-size: 1.3rem; color: var(--color-text-secondary); margin-bottom: 0.5rem; }
.social-share-links { display: flex; justify-content: center; gap: 1.5rem; margin-bottom: 1rem; }
.social-share-links a { color: var(--color-text-secondary); text-decoration: none; transition: color var(--transition-speed), transform var(--transition-speed); }
.social-share-links a:hover { color: var(--color-primary); transform: scale(1.1); }
.social-share-links i { font-size: 28px; }

.qr-code { width: 100%; height: auto; border-radius: var(--border-radius); margin: 0.5rem auto; display: block; border: 4px solid var(--color-surface); box-shadow: 0 0 10px rgba(0,0,0,0.3); }
.scan-me { display: flex; align-items: center; justify-content: center; gap: 0.5rem; font-weight: 700; color: var(--color-primary) !important; font-size: 1rem !important; margin-top: 0.5rem; }
.scan-me .ph { font-size: 1.2rem; }

#confirm-modal .modal-content p { margin: 1rem 0 1.5rem; text-align: center; color: var(--color-text-secondary); }
.confirm-buttons { display: flex; gap: 1rem; justify-content: center; }
.confirm-buttons .btn { flex: 1; }

.tooltip { position: absolute; background-color: #1a110f; color: white; padding: 0.5rem 1rem; border-radius: var(--border-radius); font-size: 0.8rem; z-index: 101; pointer-events: none; opacity: 0; transition: opacity var(--transition-speed); max-width: 250px; text-align: center; border: 1px solid var(--color-border); }

/* === Desktop layout for settings modal === */
@media (min-width: 600px) {
    .modal-content { overflow-y: visible; max-height: none; }
    .modal-grid.has-sharing { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
    .modal-grid.has-sharing .modal-actions { margin-top: 0; }
    .modal-content { max-width: 400px; }
    .modal-content.has-sharing-content { max-width: 800px; }
}

/* Respect prefers-reduced-motion for the logo animation */
@media (prefers-reduced-motion: reduce){
  .logo-text{ animation: none; }
}

/* === REVISED: PWA install hint === */
.install-hint {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.3;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  margin-bottom: 1rem;
  overflow: hidden;
}
.install-hint[hidden] {
    display: none;
}
.install-hint .ph {
  font-size: 1.5rem;
  color: var(--color-primary);
  flex-shrink: 0;
}
.install-hint-text {
  flex-grow: 1;
}
.install-hint-btn {
  margin-left: auto;
  min-width: 2.2rem;
  height: 2.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-primary);
  border-radius: 9px;
  background: transparent;
  font-size: 0.95rem;
  color: var(--color-primary);
  cursor: pointer;
  padding: 0 0.5rem;
  flex-shrink: 0;
}
.install-hint-btn::before {
  content: "Instaluj";
}
.install-hint-x {
  margin-left: 0.5rem;
  appearance: none;
  background: transparent;
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-secondary);
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-speed);
  flex-shrink: 0;
}
.install-hint-x:hover {
  background-color: var(--color-border);
  color: var(--color-text);
}