/* ============================================================
   DENTANOVA CLOUD — Design System
   ============================================================ */

:root {
    --dn-sidebar-w: 260px;
    --dn-header-h: 64px;

    /* Colors */
    --dn-bg-sidebar: #0f1c2e;
    --dn-bg-header:  #1B263B;
    --dn-bg-body:    #f0f4f8;
    --dn-bg-card:    #ffffff;
    --dn-accent:     #4ECDC4;
    --dn-accent-dk:  #38b2aa;
    --dn-primary:    #1B263B;
    --dn-secondary:  #778DA9;
    --dn-text:       #1e293b;
    --dn-muted:      #64748b;
    --dn-light:      #94a3b8;
    --dn-white:      #ffffff;
    --dn-border-dk:  rgba(255,255,255,0.07);
    --dn-border-lt:  #e2e8f0;

    /* Shadows */
    --sh-sm: 0 1px 4px rgba(0,0,0,.1);
    --sh-md: 0 4px 16px rgba(0,0,0,.1);
    --sh-lg: 0 10px 40px rgba(0,0,0,.15);

    /* Radii */
    --r-sm: 6px;
    --r-md: 10px;
    --r-lg: 16px;
    --r-full: 9999px;

    --tr: all .22s cubic-bezier(.4,0,.2,1);
    --tr-slow: all .4s cubic-bezier(.4,0,.2,1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    height: 100%;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--dn-bg-body);
    color: var(--dn-text);
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.material-icons-round { font-size: 20px; line-height: 1; }

/* ─────────────────────────────────────────
   LAYOUT
───────────────────────────────────────── */
.dn-layout {
    display: flex;
    min-height: 100vh;
}

.dn-main {
    margin-left: var(--dn-sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    transition: var(--tr-slow);
    min-width: 0;
}

.dn-layout.collapsed .dn-main { margin-left: 68px; }

/* ─────────────────────────────────────────
   SIDEBAR
───────────────────────────────────────── */
.dn-sidebar {
    width: var(--dn-sidebar-w);
    height: 100vh;
    background: var(--dn-bg-sidebar);
    position: fixed;
    left: 0; top: 0;
    z-index: 200;
    display: flex;
    flex-direction: column;
    transition: var(--tr-slow);
    overflow: hidden;
    border-right: 1px solid var(--dn-border-dk);
}

.dn-layout.collapsed .dn-sidebar { width: 68px; }
.dn-layout.collapsed .dn-logo-text,
.dn-layout.collapsed .dn-user-info,
.dn-layout.collapsed .dn-nav-label,
.dn-layout.collapsed .dn-nav-text { opacity: 0; width: 0; overflow: hidden; }

/* Brand */
.dn-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 16px;
    border-bottom: 1px solid var(--dn-border-dk);
}

.dn-brand-icon {
    width: 38px; height: 38px;
    border-radius: var(--r-md);
    background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-dk));
    display: flex; align-items: center; justify-content: center;
    color: #fff; flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(78,205,196,.35);
}

.dn-brand-icon svg { width: 22px; height: 22px; }

.dn-logo-text { display: flex; flex-direction: column; line-height: 1; transition: var(--tr); }
.dn-logo-name { font-size: 15px; font-weight: 700; color: var(--dn-white); letter-spacing: -.3px; }
.dn-logo-sub  { font-size: 9px; font-weight: 600; color: var(--dn-accent); letter-spacing: 2px; text-transform: uppercase; margin-top: 3px; }

/* User block */
.dn-sidebar-user {
    display: flex; align-items: center; gap: 10px;
    padding: 12px; margin: 10px 8px;
    background: rgba(255,255,255,.04);
    border-radius: var(--r-md);
    border: 1px solid var(--dn-border-dk);
}

.dn-avatar {
    width: 34px; height: 34px; border-radius: var(--r-full);
    background: linear-gradient(135deg, var(--dn-accent), #3b82f6);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700; color: #fff; flex-shrink: 0;
}

.dn-user-info { overflow: hidden; transition: var(--tr); }
.dn-user-name { display: block; font-size: 13px; font-weight: 600; color: var(--dn-white); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dn-user-role { display: block; font-size: 10px; color: var(--dn-light); margin-top: 2px; }

/* Nav */
.dn-nav { flex: 1; padding: 6px 0; overflow-y: auto; overflow-x: hidden; }
.dn-nav::-webkit-scrollbar { width: 3px; }
.dn-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 3px; }

.dn-nav-section { padding: 6px 0; }
.dn-nav-section + .dn-nav-section { border-top: 1px solid var(--dn-border-dk); margin-top: 4px; padding-top: 10px; }

.dn-nav-label {
    display: block;
    font-size: 9px; font-weight: 700;
    color: var(--dn-light); text-transform: uppercase; letter-spacing: 1.4px;
    padding: 0 16px 6px;
    transition: var(--tr);
}

.dn-nav-link {
    display: flex; align-items: center; gap: 12px;
    padding: 9px 14px; margin: 1px 8px;
    border-radius: var(--r-md);
    color: rgba(255,255,255,.55);
    font-size: 13.5px; font-weight: 500;
    transition: var(--tr);
    white-space: nowrap;
}

.dn-nav-link:hover  { background: rgba(255,255,255,.07); color: var(--dn-white); }
.dn-nav-link.active { background: rgba(78,205,196,.14); color: var(--dn-accent); }
.dn-nav-link.active .material-icons-round { color: var(--dn-accent); }
.dn-nav-link .material-icons-round { font-size: 19px; flex-shrink: 0; }
.dn-nav-text { transition: var(--tr); }

/* Sidebar footer */
.dn-sidebar-foot {
    padding: 12px 16px;
    border-top: 1px solid var(--dn-border-dk);
    font-size: 10px; color: var(--dn-light);
}

/* ─────────────────────────────────────────
   HEADER
───────────────────────────────────────── */
.dn-header {
    height: var(--dn-header-h);
    background: var(--dn-bg-header);
    display: flex; align-items: center; gap: 12px;
    padding: 0 20px;
    position: sticky; top: 0; z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,.06);
    box-shadow: 0 2px 12px rgba(0,0,0,.2);
}

.dn-toggle-btn {
    width: 36px; height: 36px; border-radius: var(--r-md);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.6);
    transition: var(--tr);
}
.dn-toggle-btn:hover { background: rgba(255,255,255,.08); color: var(--dn-white); }

.dn-header-title {
    font-size: 15px; font-weight: 600; color: var(--dn-white);
    flex: 1;
}

.dn-header-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.dn-header-user {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px 6px 6px;
    background: rgba(255,255,255,.06);
    border-radius: var(--r-full);
    border: 1px solid rgba(255,255,255,.08);
}

.dn-header-avatar {
    width: 28px; height: 28px; border-radius: var(--r-full);
    background: linear-gradient(135deg, var(--dn-accent), #3b82f6);
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 700; color: #fff;
}

.dn-header-uname { font-size: 13px; font-weight: 500; color: rgba(255,255,255,.8); }

.dn-logout-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 7px 14px;
    background: rgba(255,255,255,.06);
    border-radius: var(--r-full);
    border: 1px solid rgba(255,255,255,.1);
    color: rgba(255,255,255,.65);
    font-size: 13px; font-weight: 500;
    transition: var(--tr);
}
.dn-logout-btn:hover { background: rgba(239,68,68,.15); border-color: rgba(239,68,68,.3); color: #fca5a5; }
.dn-logout-btn .material-icons-round { font-size: 16px; }

/* ─────────────────────────────────────────
   CONTENT
───────────────────────────────────────── */
.dn-content { flex: 1; padding: 28px 28px; }

/* ─────────────────────────────────────────
   LOGIN PAGE
───────────────────────────────────────── */
.login-root {
    min-height: 100vh;
    background: linear-gradient(135deg, #0a1628 0%, #1B263B 50%, #243b55 100%);
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
    padding: 20px;
}

/* Animated blobs */
.login-blob {
    position: absolute; border-radius: 50%;
    filter: blur(80px); opacity: .18; pointer-events: none;
    animation: blobFloat 8s ease-in-out infinite alternate;
}
.login-blob-1 { width: 500px; height: 500px; background: #4ECDC4; top: -150px; right: -100px; animation-delay: 0s; }
.login-blob-2 { width: 400px; height: 400px; background: #3b82f6; bottom: -100px; left: -80px; animation-delay: -3s; }
.login-blob-3 { width: 300px; height: 300px; background: #8b5cf6; top: 40%; left: 30%; animation-delay: -5s; }

@keyframes blobFloat { 0%{transform:translate(0,0) scale(1)} 100%{transform:translate(30px,20px) scale(1.05)} }

/* Panel */
.login-panel {
    width: min(440px, 100%);
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--r-lg);
    padding: 40px 36px;
    box-shadow: 0 30px 80px rgba(0,0,0,.45);
    position: relative; z-index: 10;
    animation: panelIn .5s cubic-bezier(.4,0,.2,1) both;
}

@keyframes panelIn { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }

.login-panel.shake { animation: shake .5s cubic-bezier(.36,.07,.19,.97) both; }
@keyframes shake {
    10%,90%{transform:translateX(-4px)} 20%,80%{transform:translateX(6px)}
    30%,50%,70%{transform:translateX(-6px)} 40%,60%{transform:translateX(6px)}
}

/* Logo area */
.login-logo { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 28px; }

.login-logo-icon {
    width: 52px; height: 52px;
    background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-dk));
    border-radius: var(--r-lg);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 24px rgba(78,205,196,.4);
}
.login-logo-icon svg { width: 30px; height: 30px; }

.login-brand-name { font-size: 22px; font-weight: 800; color: #fff; letter-spacing: -.5px; }
.login-brand-sub  { font-size: 10px; font-weight: 600; color: var(--dn-accent); letter-spacing: 2.5px; text-transform: uppercase; margin-top: 3px; }

.login-heading  { font-size: 20px; font-weight: 700; color: #fff; text-align: center; margin-bottom: 4px; }
.login-subhead  { font-size: 13px; color: rgba(255,255,255,.5); text-align: center; margin-bottom: 28px; }

/* Fields */
.login-field { margin-bottom: 18px; }

.login-label { display: block; font-size: 12px; font-weight: 600; color: rgba(255,255,255,.65); margin-bottom: 6px; letter-spacing: .3px; }

.login-input-wrap { position: relative; display: flex; align-items: center; }

.login-input-icon {
    position: absolute; left: 12px;
    color: rgba(255,255,255,.35); font-size: 18px; pointer-events: none;
}

.login-input {
    width: 100%;
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--r-md);
    padding: 11px 12px 11px 40px;
    font-size: 14px; font-family: inherit;
    color: #fff; outline: none;
    transition: var(--tr);
}
.login-input::placeholder { color: rgba(255,255,255,.25); }
.login-input:focus {
    border-color: var(--dn-accent);
    background: rgba(78,205,196,.08);
    box-shadow: 0 0 0 3px rgba(78,205,196,.15);
}

.login-eye {
    position: absolute; right: 10px;
    background: none; border: none;
    color: rgba(255,255,255,.3); cursor: pointer;
    display: flex; align-items: center; padding: 4px;
    transition: var(--tr);
}
.login-eye:hover { color: rgba(255,255,255,.65); }
.login-eye .material-icons-round { font-size: 18px; }

/* Error */
.login-error {
    display: flex; align-items: center; gap: 8px;
    background: rgba(239,68,68,.15);
    border: 1px solid rgba(239,68,68,.3);
    border-radius: var(--r-md);
    padding: 10px 12px;
    color: #fca5a5; font-size: 13px;
    margin-bottom: 16px;
    animation: panelIn .25s ease both;
}
.login-error .material-icons-round { font-size: 17px; flex-shrink: 0; }

/* Submit button */
.login-btn {
    width: 100%; padding: 13px;
    background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-dk));
    border-radius: var(--r-md);
    color: #0a1628; font-size: 14px; font-weight: 700;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    border: none; cursor: pointer;
    transition: var(--tr);
    box-shadow: 0 4px 20px rgba(78,205,196,.35);
    letter-spacing: .2px;
    margin-top: 4px;
}
.login-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 8px 28px rgba(78,205,196,.45); }
.login-btn:active:not(:disabled) { transform: translateY(0); }
.login-btn:disabled { opacity: .7; cursor: not-allowed; }
.login-btn .material-icons-round { font-size: 18px; }

/* Spinner */
.login-spinner {
    width: 18px; height: 18px;
    border: 2px solid rgba(10,22,40,.3);
    border-top-color: #0a1628;
    border-radius: 50%;
    animation: spin .7s linear infinite;
}
@keyframes spin { to{transform:rotate(360deg)} }

/* Footer */
.login-foot { text-align: center; margin-top: 24px; font-size: 11px; color: rgba(255,255,255,.25); }

/* ─────────────────────────────────────────
   DASHBOARD / HOME
───────────────────────────────────────── */
.dash-greeting { margin-bottom: 28px; }
.dash-greeting h1 { font-size: 24px; font-weight: 700; color: var(--dn-primary); margin-bottom: 4px; }
.dash-greeting p  { font-size: 14px; color: var(--dn-muted); }

.dash-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-bottom: 28px; }

.stat-card {
    background: var(--dn-bg-card);
    border-radius: var(--r-lg);
    padding: 22px;
    border: 1px solid var(--dn-border-lt);
    box-shadow: var(--sh-sm);
    display: flex; align-items: center; gap: 16px;
    transition: var(--tr);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--sh-md); }

.stat-icon {
    width: 48px; height: 48px; border-radius: var(--r-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; flex-shrink: 0;
}
.stat-icon.teal   { background: rgba(78,205,196,.12); color: var(--dn-accent-dk); }
.stat-icon.blue   { background: rgba(59,130,246,.12); color: #3b82f6; }
.stat-icon.violet { background: rgba(139,92,246,.12); color: #8b5cf6; }
.stat-icon.amber  { background: rgba(245,158,11,.12); color: #f59e0b; }

.stat-info {}
.stat-value { font-size: 28px; font-weight: 800; color: var(--dn-primary); line-height: 1; }
.stat-label { font-size: 12px; color: var(--dn-muted); margin-top: 4px; font-weight: 500; }

/* Quick access */
.dash-modules { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }

.mod-card {
    background: var(--dn-bg-card);
    border-radius: var(--r-lg);
    padding: 24px;
    border: 1px solid var(--dn-border-lt);
    box-shadow: var(--sh-sm);
    cursor: pointer; text-decoration: none; color: inherit;
    display: flex; flex-direction: column; gap: 12px;
    transition: var(--tr);
}
.mod-card:hover { transform: translateY(-3px); box-shadow: var(--sh-lg); border-color: var(--dn-accent); }

.mod-icon {
    width: 44px; height: 44px; border-radius: var(--r-md);
    background: linear-gradient(135deg, var(--dn-accent), var(--dn-accent-dk));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 22px;
}
.mod-icon.blue   { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.mod-icon.violet { background: linear-gradient(135deg, #8b5cf6, #5b21b6); }
.mod-icon.amber  { background: linear-gradient(135deg, #f59e0b, #d97706); }

.mod-title { font-size: 15px; font-weight: 600; color: var(--dn-primary); }
.mod-desc  { font-size: 12px; color: var(--dn-muted); line-height: 1.5; }
.mod-arrow { margin-top: auto; display: flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; color: var(--dn-accent); }
.mod-arrow .material-icons-round { font-size: 16px; }

/* ─────────────────────────────────────────
   MODULE PAGES (Pacientes, Médicos, Citas)
───────────────────────────────────────── */
.module-shell { display: grid; gap: 18px; }

.module-header { margin-bottom: 4px; }
.module-header h1 { font-size: 22px; font-weight: 700; color: var(--dn-primary); margin: 0; }
.module-header p  { font-size: 13px; color: var(--dn-muted); margin: 4px 0 0; }

.module-toolbar {
    background: var(--dn-bg-card);
    border: 1px solid var(--dn-border-lt);
    border-radius: var(--r-lg);
    padding: 14px 18px;
    box-shadow: var(--sh-sm);
}

.toolbar-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

.module-list-card,
.module-detail-card {
    background: var(--dn-bg-card);
    border: 1px solid var(--dn-border-lt);
    border-radius: var(--r-lg);
    padding: 18px;
    box-shadow: var(--sh-sm);
}

.module-detail-card h3 { font-size: 16px; font-weight: 600; color: var(--dn-primary); margin-bottom: 16px; }

.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.detail-actions { margin-top: 16px; display: flex; gap: 8px; }

.avatar-thumb {
    width: 50px; height: 50px; border-radius: var(--r-md);
    object-fit: cover;
    border: 2px solid var(--dn-border-lt);
    background: var(--dn-bg-body);
    box-shadow: var(--sh-sm);
}

/* ─────────────────────────────────────────
   APP LOADER
───────────────────────────────────────── */
.app-loader {
    min-height: 100vh;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    background: linear-gradient(135deg, #0a1628, #1B263B);
    gap: 16px;
}

.app-loader-icon {
    width: 64px; height: 64px;
    background: rgba(78,205,196,.12);
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    animation: pulse 2s ease-in-out infinite;
}
.app-loader-icon svg { width: 38px; height: 38px; }

@keyframes pulse { 0%,100%{transform:scale(1);opacity:1} 50%{transform:scale(1.06);opacity:.85} }

.app-loader-text { font-family: 'Inter', sans-serif; font-size: 16px; font-weight: 700; color: rgba(255,255,255,.85); letter-spacing: -.2px; }

.app-loader-bar { width: 120px; height: 3px; background: rgba(255,255,255,.1); border-radius: 3px; overflow: hidden; }
.app-loader-bar-inner { height: 100%; background: var(--dn-accent); border-radius: 3px; animation: loadBar 1.4s ease-in-out infinite; }
@keyframes loadBar { 0%{transform:translateX(-100%)} 100%{transform:translateX(200%)} }

/* ─────────────────────────────────────────
   ERROR UI
───────────────────────────────────────── */
#blazor-error-ui {
    background: #1e1b2e; color: #fca5a5;
    bottom: 0; left: 0; width: 100%; position: fixed;
    padding: 10px 20px; z-index: 9999;
    display: none; align-items: center; justify-content: space-between;
    font-size: 13px;
}
#blazor-error-ui .dismiss { cursor: pointer; opacity: .6; }

/* ─────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */
@media (max-width: 768px) {
    .dn-sidebar { transform: translateX(-100%); }
    .dn-layout.mobile-open .dn-sidebar { transform: translateX(0); }
    .dn-main { margin-left: 0 !important; }
    .dn-content { padding: 16px; }
    .dash-stats { grid-template-columns: 1fr 1fr; }
}