/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#7DBDB6;--primary-dark:#5EA8A0;--primary-light:#E6F3F1;
  --accent:#C4886B;--accent-light:#F5E6DD;
  --green:#5EAA7D;--orange:#D4945A;--red:#C85A54;--yellow:#D4B85A;
  --bg:#F5F2EE;--white:#FFFFFF;--card:#FFFFFF;
  --text:#2C3E3B;--text2:#7A8E8A;--text3:#A8B8B4;
  --border:#DDE5E3;--radius:16px;--radius-sm:12px;
  --shadow:0 2px 12px rgba(44,62,59,.06);
  --font:'Segoe UI',Roboto,-apple-system,BlinkMacSystemFont,Helvetica,Arial,sans-serif;
}
html{font-size:15px}
body{font-family:var(--font);background:#2C3E3B;color:var(--text);display:flex;flex-direction:column;align-items:center;min-height:100vh;padding:20px}

/* ===== HUB PAGE ===== */
.hub{max-width:1200px;width:100%;color:#fff}
.hub h1{font-size:2rem;margin-bottom:6px;text-align:center}
.hub .subtitle{text-align:center;color:#aaa;margin-bottom:30px;font-size:.95rem}

/* ===== PHONE FRAME ===== */
.phone-wrap{display:none;flex-direction:column;align-items:center}
.phone-wrap.active{display:flex}
.phone-header-bar{display:flex;align-items:center;gap:12px;margin-bottom:12px;color:#fff}
.phone-header-bar button{background:rgba(255,255,255,.12);border:none;color:#fff;padding:8px 18px;border-radius:8px;cursor:pointer;font-size:.85rem;font-family:var(--font)}
.phone-header-bar button:hover{background:rgba(255,255,255,.22)}
.phone-header-bar .title{font-size:1rem;font-weight:600;flex:1;text-align:center}
.phone{width:393px;height:852px;background:var(--bg);border-radius:44px;overflow:hidden;position:relative;box-shadow:0 0 0 3px #4A6B66,0 20px 60px rgba(0,0,0,.4);display:flex;flex-direction:column}
.phone .status-bar{height:54px;background:var(--primary);display:flex;align-items:flex-end;justify-content:center;padding-bottom:6px;font-size:.7rem;color:rgba(255,255,255,.7);flex-shrink:0}
.phone .screen{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}
.phone .screen::-webkit-scrollbar{width:0}
.phone .bottom-nav{height:84px;background:var(--white);border-top:1px solid var(--border);display:flex;align-items:flex-start;padding-top:8px;flex-shrink:0}
.phone .bottom-nav .nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;padding:4px 0;position:relative}
.phone .bottom-nav .nav-item .nav-icon{font-size:1.4rem;color:var(--text2)}
.phone .bottom-nav .nav-item .nav-icon i[data-lucide]{width:22px;height:22px;stroke-width:1.5}
.phone .bottom-nav .nav-item.active .nav-icon{color:var(--primary)}
.phone .bottom-nav .nav-item .nav-label{font-size:.65rem;color:var(--text2)}
.phone .bottom-nav .nav-item.active .nav-label{color:var(--primary);font-weight:600}
.phone .bottom-nav .nav-item .badge{position:absolute;top:0;right:calc(50% - 18px);background:var(--accent);color:#fff;font-size:.6rem;padding:1px 5px;border-radius:10px;font-weight:700}

/* ===== SCREEN PAGES ===== */
.page{display:none;min-height:100%}
.page.active{display:block}

/* ===== COMMON COMPONENTS ===== */
.app-header{background:var(--primary);color:#fff;padding:14px 20px 16px;font-size:1.15rem;font-weight:700;display:flex;align-items:center;gap:10px}
.app-header .back{cursor:pointer;font-size:1.3rem;margin-right:4px}
.app-header .header-right{margin-left:auto;font-size:.85rem;font-weight:400}

.section-title{font-size:.8rem;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.5px;padding:14px 20px 8px}

.card{background:var(--card);border-radius:var(--radius);margin:8px 16px;padding:16px;box-shadow:var(--shadow)}
.card-sm{background:var(--card);border-radius:var(--radius-sm);margin:6px 16px;padding:12px 16px;box-shadow:var(--shadow)}

.pill{display:inline-block;padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:600}
.pill-green{background:#E8F9EE;color:var(--green)}
.pill-orange{background:#FFF3E0;color:var(--orange)}
.pill-red{background:#FFE5E5;color:var(--red)}
.pill-purple{background:var(--primary-light);color:var(--primary-dark)}

.avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:700;color:#fff;flex-shrink:0}

.list-item{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border);background:var(--white);cursor:pointer}
.list-item:last-child{border-bottom:none}
.list-item:hover{background:#f8f8fa}
.list-item .li-content{flex:1;min-width:0}
.list-item .li-title{font-size:.95rem;font-weight:600}
.list-item .li-sub{font-size:.8rem;color:var(--text2);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.list-item .li-meta{font-size:.7rem;color:var(--text3);text-align:right;flex-shrink:0}

.fab{position:absolute;bottom:100px;right:24px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:1.6rem;cursor:pointer;box-shadow:0 4px 16px rgba(125,189,182,.4);display:flex;align-items:center;justify-content:center;z-index:10}

/* Home screen */
.home-hero{background:linear-gradient(135deg,#6BAFA8,#7DBDB6);color:#fff;padding:20px 20px 24px;border-radius:0 0 28px 28px}
.home-hero .greeting{font-size:1.3rem;font-weight:700;margin-bottom:4px}
.home-hero .child-info{font-size:.85rem;opacity:.85}
.home-hero .kindergarten-badge{display:inline-block;background:rgba(255,255,255,.2);padding:4px 12px;border-radius:12px;font-size:.75rem;margin-top:8px}

.home-important{background:linear-gradient(135deg,#C4886B,#D4A07E);color:#fff;border-radius:var(--radius);margin:12px 16px;padding:16px;cursor:pointer;box-shadow:0 4px 16px rgba(196,136,107,.25)}
.home-important .hi-badge{background:rgba(255,255,255,.25);padding:3px 10px;border-radius:10px;font-size:.7rem;font-weight:700;display:inline-block;margin-bottom:8px}
.home-important .hi-title{font-size:1rem;font-weight:700;margin-bottom:4px}
.home-important .hi-text{font-size:.82rem;opacity:.9}

.home-payment{background:linear-gradient(135deg,#5EA8A0,#7DBDB6);color:#fff;border-radius:var(--radius);margin:8px 16px;padding:16px;cursor:pointer;box-shadow:0 4px 16px rgba(125,189,182,.25)}
.home-payment .label{font-size:.8rem;opacity:.85}
.home-payment .amount{font-size:1.6rem;font-weight:800;margin:4px 0}
.home-payment .period{font-size:.78rem;opacity:.8}

.home-birthday{background:linear-gradient(135deg,#D4B85A,#E0C96E);color:#fff;border-radius:var(--radius);margin:8px 16px;padding:16px;text-align:center}
.home-birthday .bday-emoji{font-size:2.2rem;margin-bottom:6px}
.home-birthday .bday-text{font-size:.92rem;font-weight:600}

.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:12px 16px}
.quick-item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 4px;background:var(--white);border-radius:var(--radius-sm);cursor:pointer;box-shadow:var(--shadow)}
.quick-item .qi-icon{font-size:1.5rem;color:var(--primary)}
.quick-item .qi-icon i[data-lucide]{width:24px;height:24px;stroke-width:1.5}
.quick-item .qi-label{font-size:.7rem;color:var(--text2);text-align:center;font-weight:500}

/* Announcements */
.ann-post{background:var(--card);margin:8px 16px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.ann-post.pinned{border-left:4px solid var(--primary)}
.ann-post .ann-header{display:flex;align-items:center;gap:10px;padding:12px 16px}
.ann-post .ann-header .ann-author{font-weight:600;font-size:.9rem}
.ann-post .ann-header .ann-time{font-size:.75rem;color:var(--text3);margin-left:auto}
.ann-post .ann-header .ann-pin{color:var(--primary);font-size:.85rem}
.ann-post .ann-body{padding:0 16px 12px;font-size:.9rem;line-height:1.5}
.ann-post .ann-photos{display:flex;gap:4px;padding:0 16px 12px;overflow-x:auto}
.ann-post .ann-photos .ann-photo{width:120px;height:90px;background:#ddd;border-radius:8px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.5rem}

/* Chat */
.chat-list .chat-item{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border);cursor:pointer;background:var(--white)}
.chat-list .chat-item:hover{background:#f8f8fa}
.chat-list .chat-item.unread{background:#E6F3F1}
.chat-list .chat-item .ci-content{flex:1;min-width:0}
.chat-list .chat-item .ci-name{font-weight:600;font-size:.92rem}
.chat-list .chat-item .ci-msg{font-size:.8rem;color:var(--text2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.chat-list .chat-item .ci-meta{text-align:right;flex-shrink:0}
.chat-list .chat-item .ci-time{font-size:.7rem;color:var(--text3)}
.chat-list .chat-item .ci-badge{background:var(--primary);color:#fff;font-size:.65rem;padding:2px 7px;border-radius:10px;margin-top:4px;display:inline-block}

.chat-view{display:flex;flex-direction:column;height:100%}
.chat-messages{flex:1;padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:8px}
.chat-bubble{max-width:80%;padding:10px 14px;border-radius:18px;font-size:.88rem;line-height:1.4;position:relative}
.chat-bubble.incoming{background:var(--white);align-self:flex-start;border-bottom-left-radius:4px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.chat-bubble.outgoing{background:var(--primary);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat-bubble .bubble-time{font-size:.65rem;opacity:.6;margin-top:4px;text-align:right}
.chat-bubble .bubble-status{font-size:.65rem;opacity:.6}
.chat-input-bar{display:flex;align-items:center;gap:8px;padding:10px 16px;background:var(--white);border-top:1px solid var(--border)}
.chat-input-bar input{flex:1;border:1px solid var(--border);border-radius:20px;padding:10px 16px;font-size:.88rem;font-family:var(--font);outline:none}
.chat-input-bar button{width:38px;height:38px;border-radius:50%;border:none;background:var(--primary);color:#fff;font-size:1rem;cursor:pointer}

/* Schedule */
.schedule-day-tabs{display:flex;gap:6px;padding:12px 16px;overflow-x:auto}
.schedule-day-tabs .day-tab{padding:8px 16px;border-radius:20px;font-size:.82rem;font-weight:600;cursor:pointer;background:var(--white);color:var(--text2);border:1px solid var(--border);white-space:nowrap}
.schedule-day-tabs .day-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}

.schedule-item{display:flex;gap:12px;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--white)}
.schedule-item .si-time{font-size:.82rem;font-weight:600;color:var(--primary);width:65px;flex-shrink:0;padding-top:2px}
.schedule-item .si-content{flex:1}
.schedule-item .si-name{font-size:.9rem;font-weight:600}
.schedule-item .si-detail{font-size:.78rem;color:var(--text2);margin-top:2px}
.schedule-item .si-dot{width:10px;height:10px;border-radius:50%;background:var(--primary);margin-top:6px;flex-shrink:0}

/* Menu */
.menu-meal{margin:8px 16px}
.menu-meal .meal-title{display:flex;align-items:center;gap:8px;font-weight:700;font-size:.92rem;margin-bottom:8px;color:var(--primary)}
.menu-meal .meal-items{background:var(--white);border-radius:var(--radius-sm);padding:12px 16px;box-shadow:var(--shadow)}
.menu-meal .meal-item{padding:6px 0;font-size:.88rem;border-bottom:1px solid #f0f0f0}
.menu-meal .meal-item:last-child{border-bottom:none}

/* Diary */
.diary-tabs{display:flex;gap:0;padding:0 16px;margin-top:8px}
.diary-tabs .dtab{flex:1;padding:10px;text-align:center;font-size:.82rem;font-weight:600;cursor:pointer;border-bottom:2px solid transparent;color:var(--text2)}
.diary-tabs .dtab.active{color:var(--primary);border-bottom-color:var(--primary)}

.diary-entry{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border);background:var(--white)}
.diary-entry .de-icon{font-size:1.5rem}
.diary-entry .de-content{flex:1}
.diary-entry .de-label{font-size:.85rem;font-weight:600}
.diary-entry .de-value{font-size:.95rem;color:var(--primary);font-weight:700;margin-top:2px}
.diary-entry .de-comment{font-size:.78rem;color:var(--text2);margin-top:2px}
.diary-entry .de-date{font-size:.72rem;color:var(--text3);flex-shrink:0}

/* Skills */
.skill-area{margin:8px 16px}
.skill-area .area-title{font-size:.88rem;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.skill-bar{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid #f0f0f0}
.skill-bar .sb-name{font-size:.82rem;width:100px;flex-shrink:0}
.skill-bar .sb-track{flex:1;height:8px;background:#eee;border-radius:4px;overflow:hidden}
.skill-bar .sb-fill{height:100%;border-radius:4px;transition:width .5s}
.skill-bar .sb-pct{font-size:.75rem;font-weight:700;width:36px;text-align:right;flex-shrink:0}

/* Photos */
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;padding:3px}
.photo-grid .photo-cell{aspect-ratio:1;background:#ddd;display:flex;align-items:center;justify-content:center;font-size:2rem;cursor:pointer;position:relative;background-size:cover;background-position:center;border-radius:6px;overflow:hidden}
.photo-grid .photo-cell .photo-tag{position:absolute;bottom:4px;left:4px;background:rgba(0,0,0,.6);color:#fff;font-size:.65rem;padding:2px 6px;border-radius:6px}

/* Payments */
.payment-card{background:var(--white);margin:8px 16px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.payment-card .pc-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border)}
.payment-card .pc-period{font-weight:700;font-size:1rem}
.payment-card .pc-items{padding:0}
.payment-card .pc-item{display:flex;justify-content:space-between;padding:10px 16px;font-size:.88rem;border-bottom:1px solid #f5f5f5}
.payment-card .pc-item:last-child{border-bottom:none}
.payment-card .pc-item .pc-desc{color:var(--text)}
.payment-card .pc-item .pc-amount{font-weight:600}
.payment-card .pc-total{display:flex;justify-content:space-between;padding:14px 16px;font-weight:700;font-size:1.05rem;background:#f8f8fa;border-top:2px solid var(--border)}

/* Profile */
.profile-header{display:flex;flex-direction:column;align-items:center;padding:24px 20px;background:var(--white)}
.profile-header .profile-avatar{width:80px;height:80px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff;font-weight:700;margin-bottom:12px}
.profile-header .profile-name{font-size:1.15rem;font-weight:700}
.profile-header .profile-role{font-size:.82rem;color:var(--text2);margin-top:2px}
.profile-menu .pm-item{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border);background:var(--white);cursor:pointer;font-size:.92rem}
.profile-menu .pm-item:hover{background:#f8f8fa}
.profile-menu .pm-item .pm-icon{font-size:1.2rem;width:28px;text-align:center}
.profile-menu .pm-item .pm-arrow{margin-left:auto;color:var(--text3)}

/* Teacher specific */
.teacher-child-list .tcl-item{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border);background:var(--white);cursor:pointer}
.teacher-child-list .tcl-item:hover{background:#f8f8fa}
.teacher-child-list .tcl-item .tcl-name{font-weight:600;font-size:.92rem}
.teacher-child-list .tcl-item .tcl-group{font-size:.78rem;color:var(--text2)}

/* Login */
.login-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;background:linear-gradient(180deg,#6BAFA8 0%,#7DBDB6 50%,#93CCC6 100%);padding:40px 30px;color:#fff}
.login-screen .login-logo{font-size:3rem;margin-bottom:8px}
.login-screen .login-title{font-size:1.5rem;font-weight:800;margin-bottom:4px}
.login-screen .login-subtitle{font-size:.85rem;opacity:.8;margin-bottom:32px}
.login-form{width:100%}
.login-form .form-field{margin-bottom:14px}
.login-form .form-field input{width:100%;padding:14px 16px;border:none;border-radius:12px;font-size:.92rem;font-family:var(--font);background:rgba(255,255,255,.2);color:#fff;outline:none}
.login-form .form-field input::placeholder{color:rgba(255,255,255,.6)}
.login-form .btn-login{width:100%;padding:14px;border:none;border-radius:12px;background:#fff;color:var(--primary);font-size:1rem;font-weight:700;cursor:pointer;font-family:var(--font);margin-top:8px}
.login-form .btn-login:hover{opacity:.9}
.login-form .login-link{text-align:center;margin-top:16px;font-size:.85rem;cursor:pointer}
.login-form .login-link u{opacity:.8}
.login-error{background:rgba(255,59,48,.3);color:#fff;padding:10px 14px;border-radius:8px;font-size:.82rem;margin-bottom:12px;text-align:center;display:none}

/* Role switch */
.role-switch{display:flex;gap:4px;padding:8px 16px;background:var(--white);border-bottom:1px solid var(--border)}
.role-switch .rs-btn{flex:1;padding:8px;text-align:center;font-size:.78rem;font-weight:600;cursor:pointer;border-radius:8px;color:var(--text2)}
.role-switch .rs-btn.active{background:var(--primary-light);color:var(--primary)}

/* Misc */
.empty-state{text-align:center;padding:40px 20px;color:var(--text2)}
.empty-state .es-icon{font-size:3rem;margin-bottom:12px}
.empty-state .es-text{font-size:.9rem}

/* ===== SCREEN MAP ===== */
.screen-map-section{margin-bottom:30px}
.smap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:8px}
.smap-role{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:20px 22px}
.smap-role-title{font-size:1.05rem;font-weight:700;color:var(--primary);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.smap-tree{padding-left:4px}
.smap-node{position:relative;padding:7px 12px;margin:4px 0;font-size:.92rem;color:#ddd;cursor:pointer;border-radius:8px;transition:.15s;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.smap-node:hover{background:rgba(125,189,182,.18);color:#fff}
.smap-node.root{color:var(--primary);font-weight:600}
.smap-icon{width:15px;height:15px;stroke-width:1.6;flex-shrink:0;opacity:.7}
.smap-node:hover .smap-icon{opacity:1}
.smap-branch{padding-left:20px;border-left:1px solid rgba(255,255,255,.12);margin-left:10px}
.smap-sub{font-size:.75rem;color:var(--text3);margin-top:2px;font-weight:400;width:100%;padding-left:22px}
.smap-group-label{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text3);margin:10px 0 2px 12px;padding-top:10px;border-top:1px solid rgba(255,255,255,.06)}
/* Skill dots */
.skill-dot{width:18px;height:18px;border-radius:50%;border:2px solid var(--primary);display:inline-block;cursor:pointer;transition:.15s}
.skill-dot.filled{background:var(--primary)}
.skill-dot:hover{transform:scale(1.2)}

/* Modal */
.modal-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:1000;align-items:center;justify-content:center;padding:16px}
.modal-overlay.active{display:flex}
.modal-content{background:#fff;border-radius:16px;max-width:400px;width:100%;max-height:80vh;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.3);display:flex;flex-direction:column}
.modal-header{padding:16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}

/* Group Selector */
.group-selector-item{display:flex;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border);cursor:pointer;font-size:.9rem;background:var(--white)}
.group-selector-item:hover{background:#f8f8fa}
.group-selector-item i{flex-shrink:0}

/* ===== PHONE LAYOUT WITH SCREEN DESCRIPTION ===== */
.phone-layout{display:flex;gap:32px;align-items:flex-start}
.screen-desc{width:400px;max-height:852px;overflow-y:auto;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:24px;color:#ccc;font-size:.84rem;line-height:1.65;flex-shrink:0}
.screen-desc:empty{display:none}
.screen-desc h3{color:var(--primary);font-size:1.08rem;margin:0 0 16px;font-weight:700;display:flex;align-items:center;gap:8px;line-height:1.3}
.screen-desc .desc-icon{width:18px;height:18px;stroke-width:1.8;flex-shrink:0}
.screen-desc h4 .desc-icon{width:15px;height:15px;stroke-width:2;vertical-align:-2px;margin-right:4px}
.screen-desc .prd-ref .desc-icon{width:13px;height:13px;stroke-width:2;vertical-align:-2px;margin-right:3px}
.screen-desc h4{color:#fff;font-size:.88rem;margin:16px 0 6px;font-weight:600}
.screen-desc p{margin:4px 0 8px;color:#bbb}
.screen-desc ul{padding-left:18px;margin:4px 0 10px;list-style:disc}
.screen-desc li{margin:3px 0;color:#bbb}
.screen-desc .prd-ref{margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1);font-size:.78rem;color:var(--primary)}
.screen-desc .restriction{color:var(--orange)}
.screen-desc::-webkit-scrollbar{width:4px}
.screen-desc::-webkit-scrollbar-track{background:transparent}
.screen-desc::-webkit-scrollbar-thumb{background:rgba(125,189,182,.3);border-radius:4px}

@media(max-width:860px){
  .phone-layout{flex-direction:column;align-items:center}
  .screen-desc{width:100%;max-width:393px;max-height:none}
}