:root{--navy:#172F51;--blue:#1877F2;--bg:#F3F7FC;--border:#DDE6F1}*{box-sizing:border-box}body{margin:0;background:var(--bg);font:14px/1.6:Arial,sans-serif;font-family:Arial,'Segoe UI',sans-serif;color:#203653}.layout{display:flex;min-height:100vh}.sidebar{background:var(--navy);width:286px;flex-shrink:0;padding:20px 13px;color:white}.brand{font-size:25px;padding:8px 10px 24px;border-bottom:1px solid #48617d}.brand small{display:block;font-size:10px;letter-spacing:2px;color:#cbd9eb}.sidebar h3{font-size:10px;letter-spacing:1.3px;color:#9db5d3;margin:22px 10px 9px}.sidebar input{width:100%;padding:11px;margin-top:17px;border-radius:8px;border:0}.nav{display:block;padding:11px 13px;color:#f2f6fc;text-decoration:none;border-radius:9px;margin:3px 0}.nav:hover{background:#294b76}.nav.active{background:var(--blue);font-weight:700}.nav[hidden]{display:none}.logout{margin-top:24px;background:#304d70;width:100%}.main{min-width:0;flex:1}header{background:white;border-bottom:1px solid var(--border);padding:20px 30px;display:flex;align-items:center;justify-content:space-between;gap:12px}header small{color:#7d90a9}h1{font-size:24px;color:var(--navy);margin:0}.content{padding:25px 30px;max-width:1400px;margin:auto}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:white;border:1px solid var(--border);padding:22px;border-radius:14px;margin-bottom:18px}.card strong{font-size:33px;display:block;color:var(--navy)}.card p{color:#61758e}h2{font-size:18px;color:var(--navy)}.chip{background:#e9f2ff;color:#1764c7;border-radius:25px;padding:7px 12px;font-size:12px}label{display:block;font-weight:700;font-size:12px}input{display:block;width:100%;padding:12px;border:1px solid #cfdbea;border-radius:8px;margin:5px 0 12px;font:inherit}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 16px}.formgrid button{align-self:end}button,.button{background:var(--blue);color:white;border:0;padding:11px 17px;border-radius:9px;cursor:pointer;font-weight:700;text-decoration:none;display:inline-block}.button.outline{background:white;color:var(--blue);border:1px solid var(--blue)}.tablewrap{overflow:auto}table{border-collapse:collapse;width:100%;min-width:630px}td,th{padding:11px;border-bottom:1px solid var(--border);text-align:left}th{background:#f3f7fd}.auth{max-width:440px;margin:9vh auto;background:white;border:1px solid var(--border);padding:32px;border-radius:16px}.auth h1{margin-bottom:8px}.error,.success{padding:12px;border-radius:8px}.error{background:#fff0f0;color:#9c1d2a}.success{background:#e9f9ee;color:#20633b}@media(max-width:850px){.layout{display:block}.sidebar{width:100%;max-height:310px;overflow:auto}.content{padding:17px}.stats,.formgrid{grid-template-columns:1fr}header{padding:16px;flex-wrap:wrap}}

/* v1.1: country picker and student search */
.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.country-field{position:relative}.country-picker{position:relative}.country-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:46px;text-align:left;background:white;color:#203653;border:1px solid #cfdbea;font-weight:500;margin-top:5px}.country-toggle:focus-visible,.country-results button:focus-visible{outline:3px solid #8ebcff}.country-dropdown{position:absolute;z-index:30;top:100%;left:0;right:0;background:white;border:1px solid #b9d2f3;box-shadow:0 12px 30px #172f5126;border-radius:12px;padding:10px}.country-dropdown[hidden]{display:none}.country-dropdown input{margin:0 0 8px}.country-results{max-height:230px;overflow:auto}.country-results button{display:flex;justify-content:space-between;align-items:center;width:100%;background:white;color:#203653;font-weight:400;text-align:left;border-radius:7px;padding:9px}.country-results button:hover,.country-results button[aria-selected="true"]{background:#eaf2ff}.country-results small{color:#48617d}.phone-input{display:flex;align-items:stretch;gap:0;margin-top:5px}.phone-input input{margin:0;border-radius:0 8px 8px 0;min-width:0}.dial-prefix{display:flex;align-items:center;padding:0 14px;border:1px solid #cfdbea;border-right:0;background:#eaf2ff;color:#172f51;border-radius:8px 0 0 8px;white-space:nowrap}.phone-preview{display:block;font-weight:400;color:#637a97;margin-top:5px}.form-action{display:flex;flex-direction:column;justify-content:flex-end;gap:7px}.form-action button{width:100%}.form-note{font-weight:400;font-size:12px;color:#637a97;margin:0}.directory-search{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.directory-search input{width:260px;min-width:200px;max-width:340px;margin:0}.directory-search button,.directory-search .button{white-space:nowrap}@media(max-width:600px){.directory-search{width:100%}.directory-search input{flex:1;min-width:130px}.country-dropdown{position:relative}}

/* v1.2 regional picker: no scattered blue country buttons */
.region-tabs{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:10px}.region-tab{background:#f0f5fd;color:#172f51;border:1px solid #cbdcf4;padding:7px 9px;font-size:12px;font-weight:600}.region-tab.active{background:#1877f2;color:white;border-color:#1877f2}.country-results{max-height:290px}.country-dropdown{min-width:min(440px,92vw)}@media(max-width:600px){.country-dropdown{min-width:0}.region-tab{font-size:11px}}

/* v1.4: searchable profile nationality/residence */
.profile-country-picker{position:relative}.profile-country-picker .country-toggle{margin-top:5px}.profile-country-picker .country-dropdown{z-index:50}.profile-notes textarea{display:block;width:100%;min-height:105px;resize:vertical;margin-top:5px;padding:12px;border:1px solid #cfdbea;border-radius:8px;font:inherit}.profile-country-picker .country-results button[aria-selected="true"]{background:#eaf2ff}

/* v1.5 guardian inline country selector */
.guardian-field{min-width:0}.guardian-field>label{display:block;margin-bottom:5px}.guardian-phone-row{display:grid;grid-template-columns:minmax(210px,1fr) minmax(150px,1.25fr);gap:10px;align-items:start}.guardian-phone-row .country-toggle{margin:0}.guardian-phone-row>input{margin:0;min-width:0}.guardian-country-picker{min-width:0}@media(max-width:650px){.guardian-phone-row{grid-template-columns:1fr}}

/* v2.5.3: expandable approved sidebar taxonomy */
.sidebar{width:306px}.sidebar-search-label{display:block;font-size:11px;color:#b5cbe5;margin:14px 5px -12px}.sidebar-tools{display:flex;gap:6px;margin:10px 0}.sidebar-tools button{flex:1;padding:7px 5px;font-size:11px;background:#2b4b71}.sidebar-section h3{margin-top:19px}.nav-group{margin:3px 0}.nav-parent{display:flex;align-items:center;justify-content:space-between;cursor:pointer;list-style:none;font-size:13px}.nav-parent::-webkit-details-marker{display:none}.nav-parent:focus-visible,.nav-subitem:focus-visible{outline:2px solid #a9cfff;outline-offset:2px}.nav-chevron{font-size:17px;transition:transform .15s}.nav-group[open] .nav-chevron{transform:rotate(180deg)}.nav-children{margin:0 3px 8px 12px;padding-left:9px;border-left:1px solid #547093}.nav-subitem{display:flex;align-items:center;justify-content:space-between;gap:7px;text-decoration:none;color:#dce9fb;padding:7px 8px;border-radius:6px;font-size:12px;line-height:1.4}.nav-subitem:hover{background:#2b4e7c}.nav-subitem.planned{color:#9eafc4;cursor:default}.nav-subitem small{font-size:9px;border:1px solid #5b7391;border-radius:5px;padding:1px 4px;color:#bac9d9}.nav-child[hidden],.nav-group[hidden],.sidebar-section[hidden]{display:none!important}@media(max-width:850px){.sidebar{width:100%;max-height:70vh;overflow-y:auto}}

/* UKEB v2.5.4 — navy + champagne-gold premium navigation. Sidebar only; no DB changes. */
:root{--gold:#D3A352;--gold-light:#F8DEAC;--gold-pale:#FFF3DC;--navy-deep:#10253F;--navy:#172F51;--blue:#C89A48}
.sidebar{width:310px;min-height:100vh;padding:24px 15px 26px;background:linear-gradient(165deg,#1C3555 0%,#132B49 50%,#0D2039 100%);color:#F7F9FD;box-shadow:3px 0 22px rgba(13,32,57,.08);font-family:'Segoe UI',Arial,sans-serif}
.sidebar .brand{display:flex;align-items:center;gap:13px;padding:5px 12px 24px;margin-bottom:14px;border-bottom:1px solid rgba(236,215,173,.22);font-size:28px;letter-spacing:.3px}
.sidebar .brand-mark{display:grid;place-items:center;width:47px;height:47px;border:1px solid rgba(243,206,141,.45);border-radius:13px;background:rgba(230,187,111,.11);font-size:25px;flex:none}
.sidebar .brand-name b{display:block;color:#FFF3DC;font-weight:750;line-height:1.15}
.sidebar .brand small{display:block;font-size:10px;letter-spacing:2.6px;color:#EAD9B8;margin-top:5px}
.sidebar .sidebar-search-label{display:block;margin:6px 8px 5px;font-size:9px;font-weight:700;letter-spacing:2px;color:#D6BD94}
.sidebar #filter{width:100%;height:43px;margin:4px 0 10px;padding:10px 14px;border-radius:10px;background:#fff;border:1px solid #d8e0eb;font-size:12px;color:#19304b;box-shadow:0 4px 12px rgba(0,0,0,.08)}
.sidebar #filter:focus{outline:2px solid var(--gold-light);outline-offset:2px}
.sidebar-tools{display:flex;gap:7px;margin:2px 0 20px}
.sidebar-tools button{background:transparent;color:#EBD8B7;border:1px solid rgba(231,203,152,.28);font-size:10px;padding:6px 8px;border-radius:7px}
.sidebar-tools button:hover{background:rgba(247,221,169,.13)}
.sidebar .sidebar-section h3{font-size:9px;letter-spacing:2.2px;font-weight:750;color:#E2C69A;margin:23px 8px 9px}
.sidebar .nav-group{margin:3px 0}
.sidebar .nav-parent{display:flex;align-items:center;justify-content:space-between;gap:7px;padding:10px 12px;margin:0;min-height:43px;border:1px solid transparent;border-radius:9px;font-size:12px;font-weight:550;color:#F6F8FB;line-height:1.25;transition:background .15s,color .15s}
.sidebar .nav-parent-title{display:flex;align-items:center;gap:12px;min-width:0}
.sidebar .nav-icon{display:inline-grid;place-items:center;flex:none;width:20px;font-size:17px;color:#EAC078;font-family:'Segoe UI Symbol','Segoe UI',sans-serif}
.sidebar .nav-parent:hover{background:rgba(247,221,169,.12)}
.sidebar .nav-parent.active,.sidebar .nav-group[open]>.nav-parent.active{background:linear-gradient(90deg,#F0C46D,#FCE5B9);color:#172A44;font-weight:750;border-color:#FBE6C0;box-shadow:0 3px 12px rgba(5,15,28,.14)}
.sidebar .nav-parent.active .nav-icon{color:#9D681E}
.sidebar .nav-chevron{font-size:17px;color:#E8C78E;line-height:1;transition:transform .15s}
.sidebar .nav-parent.active .nav-chevron{color:#704F22}
.sidebar .nav-children{margin:3px 4px 10px 21px;padding:1px 0 2px 10px;border-left:1px solid rgba(234,192,120,.52)}
.sidebar .nav-subitem{display:flex;align-items:center;justify-content:flex-start;gap:10px;min-height:29px;padding:6px 9px;color:#E5EAF2;border-radius:8px;font-size:11px;line-height:1.35;overflow-wrap:anywhere}
.sidebar .nav-subitem .sub-dot{width:5px;height:5px;flex:none;border-radius:50%;background:#DDB477}
.sidebar .nav-subitem:hover{background:rgba(235,196,131,.16);color:#FFF2D8}
.sidebar .nav-subitem.planned{color:#9EADC0;cursor:default}
.sidebar .nav-subitem.planned .sub-dot{background:#6F829A}
.sidebar .nav-subitem small{margin-left:auto;font-size:8px;border:1px solid rgba(202,172,122,.25);color:#9EADC0;white-space:nowrap}
.sidebar .nav-subitem:focus-visible,.sidebar .nav-parent:focus-visible{outline:2px solid #FFE4AE;outline-offset:2px}
.sidebar .logout{background:rgba(255,255,255,.08);border:1px solid rgba(241,205,146,.3);color:#FCE5B9;margin-top:20px}
.sidebar .logout:hover{background:rgba(255,255,255,.16)}
@media(min-width:851px){.sidebar{position:sticky;top:0;height:100vh;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#8A795F #142B47}}
@media(max-width:850px){.sidebar{width:100%;min-height:0;max-height:72vh;overflow-y:auto}.sidebar .brand{padding-bottom:14px}}

/* UKEB v2.5.6: silver sidebar, black text, readable typography. */
:root{--ui-silver:#e9e9e6;--ui-silver-light:#f7f7f4;--ui-silver-hover:#d8d9d7;--ui-silver-selected:#bfc2c3;--ui-text:#181d23;--ui-border:#c9ccce;--blue:#172F51}
body{font-size:14px;line-height:1.55}
small,.chip,.course-meta,.form-note{font-size:12px}
label,button,.button,input,select,textarea,td,th{font-size:14px}
h1{font-size:20px}h2{font-size:18px}h3{font-size:16px}
.sidebar{background:linear-gradient(165deg,#f5f5f2 0%,#e7e8e5 53%,#dadddc 100%);color:var(--ui-text);border-right:1px solid #c8cccb;box-shadow:3px 0 20px rgba(20,30,40,.07)}
.sidebar .brand{border-bottom-color:#c8cccb}.sidebar .brand-name b{color:#1a2026}.sidebar .brand small{font-size:12px;letter-spacing:1.6px;color:#3d454b}.sidebar .brand-mark{background:#fffdf5;border-color:#c7b99a}
.sidebar .sidebar-search-label{font-size:12px;color:#333b41;letter-spacing:1px}
.sidebar #filter{font-size:14px;background:#fff;border:1px solid #bdc3c5;color:#171c20;box-shadow:none}
.sidebar #filter:focus{outline:2px solid #7c8385}
.sidebar-tools button{font-size:14px;background:#f9f9f7;color:#181e22;border:1px solid #c1c5c6}
.sidebar-tools button:hover{background:#d3d6d6;color:#101417}
.sidebar .sidebar-section h3{font-size:12px;color:#42484d;letter-spacing:1.3px}
.sidebar .nav-parent{font-size:16px;min-height:47px;color:#15191e;font-weight:600}
.sidebar .nav-icon{font-size:18px;color:#33393e}
.sidebar .nav-chevron{font-size:18px;color:#373d42}
.sidebar .nav-parent:hover{background:#d5d8d7;color:#11161a}
.sidebar .nav-parent.active,.sidebar .nav-group[open]>.nav-parent.active{background:linear-gradient(90deg,#bec3c4,#e1e3e1);color:#11171b;border-color:#aeb5b5;box-shadow:0 2px 8px rgba(20,30,40,.10)}
.sidebar .nav-parent.active .nav-icon,.sidebar .nav-parent.active .nav-chevron{color:#161b20}
.sidebar .nav-children{border-left:2px solid #a8afb0}
.sidebar .nav-subitem{font-size:14px;min-height:36px;color:#20272c;line-height:1.5}
.sidebar .nav-subitem .sub-dot{background:#727a7e;width:6px;height:6px}
.sidebar .nav-subitem:hover{background:#d1d5d5;color:#0b1013}
.sidebar .nav-subitem.planned{color:#4d555b}
.sidebar .nav-subitem.planned .sub-dot{background:#92999b}
.sidebar .nav-subitem small{font-size:12px;color:#434a4e;border-color:#a8afb0}
.sidebar .nav-subitem:focus-visible,.sidebar .nav-parent:focus-visible{outline:2px solid #4d5b65;outline-offset:2px}
.sidebar .logout{background:#d9dddc;color:#171d22;border:1px solid #b9c1c1;font-size:14px}
.sidebar .logout:hover{background:#c6cdcd}
.sidebar a:visited{color:inherit}
@media(min-width:851px){.sidebar{width:326px;scrollbar-color:#a9afb0 #e4e6e4}}
@media(max-width:850px){.sidebar{width:100%}}