/* ============================================
   Family Circle — Whole Family Regulation
   Warm, friendly, inclusive aesthetic
   ============================================ */

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

:root {
    --bg-dark: #1a1520;
    --bg-card: #251e2a;
    --bg-hover: #2f2838;
    
    --warm: #ff9f43;
    --warm-dim: rgba(255, 159, 67, 0.15);
    --warm-glow: rgba(255, 159, 67, 0.3);
    
    --heart: #ff6b81;
    --heart-dim: rgba(255, 107, 129, 0.15);
    
    --success: #26de81;
    
    --text-primary: #fff8f0;
    --text-secondary: rgba(255, 248, 240, 0.75);
    --text-muted: rgba(255, 248, 240, 0.45);
    
    --font-display: 'Nunito', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.3s ease;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.app-container {
    width: 100%;
    min-height: 100vh;
    background: radial-gradient(ellipse at 50% 100%, #2a1f30 0%, var(--bg-dark) 60%);
}

/* Screens */
.screen {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease;
    padding: 30px 20px;
    overflow-y: auto;
}

.screen.active {
    opacity: 1;
    visibility: visible;
}

.screen-content {
    max-width: 420px;
    width: 100%;
    text-align: center;
}

/* Logo */
.logo {
    margin-bottom: 25px;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--warm);
    opacity: 0.8;
}

/* Welcome */
.welcome-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--warm);
}

.welcome-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Family Visual */
.family-visual {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto 35px;
}

.family-member {
    position: absolute;
    font-size: 2.5rem;
    animation: float 3s ease-in-out infinite;
}

.family-member.m1 { top: 0; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.family-member.m2 { top: 50%; right: 0; transform: translateY(-50%); animation-delay: 0.5s; }
.family-member.m3 { bottom: 0; left: 50%; transform: translateX(-50%); animation-delay: 1s; }
.family-member.m4 { top: 50%; left: 0; transform: translateY(-50%); animation-delay: 1.5s; }

.family-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(-50%); }
    50% { transform: translateY(-8px) translateX(-50%); }
}

.family-member.m2, .family-member.m4 {
    animation-name: float-side;
}

@keyframes float-side {
    0%, 100% { transform: translateY(-50%); }
    50% { transform: translateY(calc(-50% - 8px)); }
}

@keyframes heartbeat {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.15); }
}

/* Session Options */
.session-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.option-btn {
    width: 100%;
    padding: 20px;
    background: linear-gradient(135deg, var(--warm) 0%, #f39c12 100%);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all var(--transition);
}

.option-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px var(--warm-glow);
}

.btn-icon {
    font-size: 1.5rem;
}

.btn-text {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
}

.join-row {
    display: flex;
    gap: 10px;
}

.join-input {
    flex: 1;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1.1rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.join-input:focus {
    outline: none;
    border-color: var(--warm);
}

.join-btn {
    padding: 14px 24px;
    background: var(--warm);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

/* Setup */
.setup-title, .activity-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.selection-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.member-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 15px;
}

.member-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 8px;
    background: var(--bg-card);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}

.member-btn:hover {
    background: var(--bg-hover);
}

.member-btn.active {
    background: var(--warm-dim);
    border-color: var(--warm);
}

.member-emoji {
    font-size: 1.8rem;
}

.member-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.member-btn.active .member-label {
    color: var(--warm);
}

.member-count {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.member-count span {
    color: var(--warm);
    font-weight: 700;
}

.next-btn {
    width: 100%;
    padding: 16px;
    background: var(--warm);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    margin-bottom: 15px;
}

.back-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
}

/* Activity Selection */
.activity-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 25px;
}

.activity-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px;
    background: var(--bg-card);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    text-align: left;
}

.activity-btn:hover {
    background: var(--bg-hover);
    border-color: var(--warm);
    transform: translateX(5px);
}

.activity-icon {
    font-size: 2rem;
}

.activity-info {
    flex: 1;
}

.activity-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
}

.activity-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.activity-time {
    font-size: 0.85rem;
    color: var(--warm);
    font-weight: 600;
}

/* Waiting Room */
.waiting-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.code-display {
    margin-bottom: 30px;
}

.code-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.code-box {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--warm);
    background: var(--bg-card);
    padding: 16px 32px;
    border-radius: var(--radius);
    display: inline-block;
    letter-spacing: 0.1em;
}

.family-preview {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.preview-member {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.preview-member .emoji {
    font-size: 2.5rem;
    animation: gentle-bounce 2s ease-in-out infinite;
}

@keyframes gentle-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.preview-member .label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.waiting-hint {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.start-btn {
    width: 100%;
    padding: 16px;
    background: var(--warm);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    margin-bottom: 15px;
}

.cancel-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
}

/* Member Waiting */
.member-waiting-visual {
    margin-bottom: 25px;
}

.waiting-pulse {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background: var(--warm-dim);
    border: 3px solid var(--warm);
    border-radius: 50%;
    animation: pulse-grow 2s ease-in-out infinite;
}

@keyframes pulse-grow {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

.session-code-small {
    color: var(--warm);
    font-size: 1rem;
    margin-top: 10px;
}

/* ============================================
   Main Session
   ============================================ */

.session-layout {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    position: relative;
}

.family-circle-area {
    margin-bottom: 30px;
}

.family-circle {
    position: relative;
    width: 280px;
    height: 280px;
}

.circle-member {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    transition: all 4s ease;
}

.circle-member .emoji {
    font-size: 2.5rem;
    transition: all 4s ease;
}

.circle-member.inhale .emoji {
    transform: scale(1.2);
}

.circle-member.exhale .emoji {
    transform: scale(0.9);
    opacity: 0.8;
}

.circle-member .name {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.circle-center-heart {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.5rem;
    transition: all 0.5s ease;
}

.circle-center-heart.pulse {
    animation: heart-pulse 1s ease-in-out infinite;
}

@keyframes heart-pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.3); }
}

/* Activity Info Bar */
.activity-info-bar {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.current-activity {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--warm);
    font-weight: 600;
}

.session-timer {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Guidance */
.session-guidance {
    text-align: center;
    margin-bottom: 25px;
}

.guidance-text {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    min-height: 50px;
    transition: opacity 0.5s ease;
}

.breath-cue {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--warm);
    min-height: 50px;
}

/* Family Connection */
.family-connection {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 30px;
}

.connection-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.connection-bar {
    width: 140px;
    height: 10px;
    background: var(--bg-card);
    border-radius: 5px;
    overflow: hidden;
}

.connection-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--warm), var(--heart));
    width: 0%;
    transition: width 0.5s ease;
    border-radius: 5px;
}

.connection-value {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--warm);
    min-width: 50px;
}

.end-btn {
    position: absolute;
    bottom: 30px;
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
    padding: 10px 24px;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
}

/* Completion */
.complete-celebration {
    margin-bottom: 20px;
}

.celebration-emoji {
    font-size: 4rem;
    display: inline-block;
    animation: celebration 0.5s ease;
}

@keyframes celebration {
    0% { transform: scale(0) rotate(-180deg); }
    100% { transform: scale(1) rotate(0deg); }
}

.complete-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--warm);
    margin-bottom: 25px;
}

.family-stats {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-bottom: 25px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--warm);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.streak-display {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--warm-dim);
    padding: 12px 24px;
    border-radius: 30px;
    margin-bottom: 25px;
}

.streak-icon {
    font-size: 1.3rem;
}

.streak-text {
    font-size: 1rem;
    color: var(--text-secondary);
}

.streak-text strong {
    color: var(--warm);
}

.family-message {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.done-btn {
    width: 100%;
    padding: 16px;
    background: var(--warm);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 400px) {
    .member-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .family-circle {
        width: 240px;
        height: 240px;
    }
}