/* ShortDNS - Modern SaaS UI Stylesheet */
:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #818CF8;
    --secondary: #64748B;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    --bg: #F8FAFC;
    --bg-dark: #0F172A;
    --card: #FFFFFF;
    --card-dark: #1E293B;
    --text: #1E293B;
    --text-dark: #F1F5F9;
    --text-muted: #64748B;
    --border: #E2E8F0;
    --border-dark: #334155;
    --shadow: 0 1px 3px 0 rgba(0,0,0,0.1),0 1px 2px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -4px rgba(0,0,0,0.1);
    --radius: 0.5rem;
    --font-sans: system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
[data-theme="dark"] {
    --bg: var(--bg-dark);
    --card: var(--card-dark);
    --text: var(--text-dark);
    --border: var(--border-dark);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
button{cursor:pointer;font-family:inherit}
input,textarea,select{width:100%;padding:.625rem .875rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--card);color:var(--text);font-size:.9375rem;transition:border-color .2s,box-shadow .2s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.12)}
textarea{min-height:100px;resize:vertical}
label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.375rem;color:var(--text-muted)}
table{width:100%;border-collapse:collapse;font-size:.875rem}th,td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border)}th{font-weight:600;font-size:.8125rem;text-transform:uppercase;letter-spacing:.025em;color:var(--text-muted)}tr:hover td{background:rgba(79,70,229,.02)}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 1.5rem}
.container-sm{max-width:640px}
.container-md{max-width:768px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.25rem;border-radius:var(--radius);font-size:.9375rem;font-weight:500;border:none;transition:all .2s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 2px rgba(79,70,229,.2)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn-secondary{background:var(--secondary);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-warning{background:var(--warning);color:#fff}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:.375rem .75rem;font-size:.8125rem}
.btn-lg{padding:.875rem 1.5rem;font-size:1rem}
.btn-block{width:100%}

.card{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);transition:box-shadow .2s}
.card:hover{box-shadow:var(--shadow-lg)}
.card-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-body{padding:1.5rem}
.card-footer{padding:1rem 1.5rem;border-top:1px solid var(--border)}

.badge{display:inline-flex;align-items:center;padding:.25rem .625rem;border-radius:9999px;font-size:.75rem;font-weight:600}
.badge-primary{background:rgba(79,70,229,.1);color:var(--primary)}
.badge-success{background:rgba(16,185,129,.1);color:var(--success)}
.badge-warning{background:rgba(245,158,11,.1);color:var(--warning)}
.badge-danger{background:rgba(239,68,68,.1);color:var(--danger)}
.badge-secondary{background:rgba(100,116,139,.1);color:var(--secondary)}

.alert{padding:1rem 1.25rem;border-radius:var(--radius);font-size:.875rem;margin-bottom:1rem;display:flex;align-items:center;gap:.75rem}
.alert-success{background:rgba(16,185,129,.08);color:var(--success);border:1px solid rgba(16,185,129,.2)}
.alert-danger{background:rgba(239,68,68,.08);color:var(--danger);border:1px solid rgba(239,68,68,.2)}
.alert-warning{background:rgba(245,158,11,.08);color:var(--warning);border:1px solid rgba(245,158,11,.2)}
.alert-info{background:rgba(59,130,246,.08);color:var(--info);border:1px solid rgba(59,130,246,.2)}

.form-group{margin-bottom:1.25rem}
.form-error{font-size:.8125rem;color:var(--danger);margin-top:.25rem}
.form-hint{font-size:.8125rem;color:var(--text-muted);margin-top:.25rem}

.navbar{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.navbar-brand{font-size:1.25rem;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:.5rem}
.navbar-links{display:flex;align-items:center;gap:1.5rem}
.nav-link{font-size:.875rem;font-weight:500;color:var(--text-muted);padding:.375rem 0;position:relative}
.nav-link:hover,.nav-link.active{color:var(--text)}
.nav-link.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--primary);border-radius:2px}

.sidebar{width:260px;height:100vh;position:fixed;left:0;top:0;background:var(--card);border-right:1px solid var(--border);z-index:40;overflow-y:auto;padding:1.5rem 0;display:flex;flex-direction:column}
.sidebar-logo{padding:0 1.5rem 1.5rem;font-size:1.125rem;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:.5rem;border-bottom:1px solid var(--border);margin-bottom:1rem}
.sidebar-nav{flex:1}
.sidebar-group{padding:0 1rem;margin-bottom:1rem}
.sidebar-group-title{font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);padding:.5rem 1rem;margin-bottom:.25rem}
.sidebar-link{display:flex;align-items:center;gap:.75rem;padding:.625rem 1rem;margin:0 .5rem;border-radius:var(--radius);font-size:.875rem;font-weight:500;color:var(--text-muted);transition:all .15s}
.sidebar-link:hover,.sidebar-link.active{background:rgba(79,70,229,.08);color:var(--primary)}
.sidebar-link svg{width:18px;height:18px;opacity:.7}

.sidebar-mobile-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--text)}

.main-content{margin-left:260px;min-height:100vh;padding:1.5rem 2rem}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}
.page-title{font-size:1.5rem;font-weight:700;color:var(--text)}
.page-subtitle{font-size:.875rem;color:var(--text-muted);margin-top:.25rem}

.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;margin-bottom:1.5rem}
.stat-card{padding:1.5rem;display:flex;flex-direction:column}
.stat-label{font-size:.8125rem;font-weight:500;color:var(--text-muted);margin-bottom:.5rem}
.stat-value{font-size:1.75rem;font-weight:700;color:var(--text);line-height:1}
.stat-delta{font-size:.8125rem;margin-top:.5rem;display:flex;align-items:center;gap:.25rem}
.stat-delta.up{color:var(--success)}.stat-delta.down{color:var(--danger)}

.auth-layout{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f0f4ff 0%,#f8fafc 100%);padding:2rem}
[data-theme="dark"] .auth-layout{background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%)}
.auth-card{width:100%;max-width:440px;background:var(--card);border-radius:1rem;box-shadow:var(--shadow-lg);padding:2.5rem;border:1px solid var(--border)}
.auth-logo{text-align:center;margin-bottom:2rem;font-size:1.5rem;font-weight:700;color:var(--primary)}
.auth-footer{text-align:center;margin-top:1.5rem;font-size:.875rem;color:var(--text-muted)}

.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-responsive table{min-width:640px}

.pagination{display:flex;align-items:center;gap:.25rem}
.pagination a,.pagination span{padding:.375rem .75rem;border-radius:var(--radius);font-size:.875rem;font-weight:500}
.pagination a{background:var(--card);border:1px solid var(--border);color:var(--text)}
.pagination a:hover{background:rgba(79,70,229,.08);border-color:var(--primary)}
.pagination span{color:var(--text-muted)}

.dropdown{position:relative;display:inline-block}
.dropdown-menu{position:absolute;right:0;top:100%;margin-top:.5rem;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:180px;z-index:60;opacity:0;visibility:hidden;transform:translateY(-4px);transition:all .15s}
.dropdown.open .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-item{display:block;padding:.625rem 1rem;font-size:.875rem;color:var(--text);transition:background .15s}
.dropdown-item:hover{background:rgba(79,70,229,.06);color:var(--primary)}
.dropdown-divider{height:1px;background:var(--border);margin:.25rem 0}

.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:1rem;background:rgba(15,23,42,.5);opacity:0;visibility:hidden;transition:all .2s}
.modal.active{opacity:1;visibility:visible}
.modal-content{background:var(--card);border-radius:1rem;box-shadow:var(--shadow-lg);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;border:1px solid var(--border);transform:scale(.95);transition:transform .2s}
.modal.active .modal-content{transform:scale(1)}
.modal-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-body{padding:1.5rem}
.modal-footer{padding:1rem 1.5rem;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:.5rem}

.tabs{display:flex;gap:.25rem;border-bottom:2px solid var(--border);margin-bottom:1.5rem}
.tab-link{padding:.75rem 1.25rem;font-size:.875rem;font-weight:500;color:var(--text-muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s;cursor:pointer;background:none;border:none}
.tab-link:hover{color:var(--text)}
.tab-link.active{color:var(--primary);border-color:var(--primary)}

@media (max-width:1024px){
    .sidebar{transform:translateX(-100%);transition:transform .3s}
    .sidebar.open{transform:translateX(0)}
    .main-content{margin-left:0}
    .sidebar-mobile-toggle{display:block}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
    .stats-grid{grid-template-columns:1fr}
    .container{padding:0 1rem}
    .main-content{padding:1rem}
    .page-header{flex-direction:column;align-items:flex-start;gap:1rem}
}

/* Animations */
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideInLeft{from{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:translateX(0)}}
.animate-fade-in{animation:fadeIn .4s ease-out}
.animate-slide-in{animation:slideInLeft .4s ease-out}

/* Toast */
.toast-container{position:fixed;bottom:1.5rem;right:1.5rem;z-index:200;display:flex;flex-direction:column;gap:.5rem}
.toast{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:1rem 1.25rem;display:flex;align-items:center;gap:.75rem;font-size:.875rem;min-width:280px;animation:fadeIn .3s ease-out}
.toast-success{border-left:3px solid var(--success)}
.toast-error{border-left:3px solid var(--danger)}

/* Landing */
.hero{padding:6rem 0 4rem;text-align:center;background:linear-gradient(135deg,#f0f4ff 0%,#fff 100%)}
[data-theme="dark"] .hero{background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%)}
.hero-title{font-size:3rem;font-weight:800;line-height:1.1;margin-bottom:1rem;background:linear-gradient(135deg,var(--primary),#818CF8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-subtitle{font-size:1.25rem;color:var(--text-muted);max-width:600px;margin:0 auto 2rem}
.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;padding:4rem 0}
.feature-card{padding:2rem;text-align:center}
.feature-icon{width:56px;height:56px;border-radius:1rem;background:rgba(79,70,229,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;margin:0 auto 1.25rem;font-size:1.5rem}
.feature-title{font-size:1.125rem;font-weight:600;margin-bottom:.5rem}
.feature-text{font-size:.875rem;color:var(--text-muted)}
@media (max-width:768px){.features-grid{grid-template-columns:1fr}.hero-title{font-size:2rem}}

/* Dashboard charts placeholder */
.chart-container{position:relative;height:300px;width:100%}

/* Utility helpers */
.d-flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}
.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}.mt-6{margin-top:1.5rem}
.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:.75rem}.mb-4{margin-bottom:1rem}
.ml-auto{margin-left:auto}.mr-2{margin-right:.5rem}
.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}
.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}
.text-muted{color:var(--text-muted)}.text-primary{color:var(--primary)}
.hidden{display:none}.overflow-hidden{overflow:hidden}.relative{position:relative}.w-full{width:100%}.h-full{height:100%}
.rounded{border-radius:var(--radius)}.rounded-full{border-radius:9999px}.shadow{box-shadow:var(--shadow)}
.border{border:1px solid var(--border)}.border-t{border-top:1px solid var(--border)}.border-b{border-bottom:1px solid var(--border)}
.bg-card{background:var(--card)}.p-4{padding:1rem}.p-6{padding:1.5rem}.px-4{padding-left:1rem;padding-right:1rem}.py-2{padding-top:.5rem;padding-bottom:.5rem}