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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f1f5f9;
    color: #0f172a;
    font-size: 15px;
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: 240px;
    min-height: 100vh;
    background: #1e293b;
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
}

.sidebar-logo {
    padding: 24px 20px 20px;
    border-bottom: 1px solid #334155;
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.3px;
}

.sidebar-logo span { color: #60a5fa; }

.sidebar-user {
    padding: 14px 20px;
    border-bottom: 1px solid #334155;
    font-size: 13px;
    color: #94a3b8;
    line-height: 1.4;
}

.sidebar-user strong {
    display: block;
    color: #e2e8f0;
    font-size: 14px;
    margin-bottom: 2px;
}

.sidebar nav { flex: 1; padding: 10px 0; }

.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.12s, color 0.12s;
    border-left: 3px solid transparent;
}

.sidebar nav a:hover { background: #334155; color: #f1f5f9; }

.sidebar nav a.active {
    background: #334155;
    color: #f1f5f9;
    border-left-color: #60a5fa;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid #334155;
}

.sidebar-footer a { color: #94a3b8; text-decoration: none; font-size: 13px; }
.sidebar-footer a:hover { color: #f1f5f9; }

/* ===== MAIN CONTENT ===== */
.main {
    margin-left: 240px;
    flex: 1;
    padding: 32px 36px;
    min-height: 100vh;
}

/* ===== PAGE HEADER ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 28px;
}

.page-title { font-size: 22px; font-weight: 700; color: #0f172a; }

.page-subtitle {
    font-size: 14px;
    color: #64748b;
    margin-top: 4px;
}

.page-subtitle a { color: #2563eb; text-decoration: none; }
.page-subtitle a:hover { text-decoration: underline; }

/* ===== PIPELINE CARDS ===== */
.cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.card {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,.07);
    border-top: 3px solid transparent;
}

.card-count { font-size: 36px; font-weight: 800; margin-bottom: 4px; }
.card-label { font-size: 12px; color: #64748b; text-transform: uppercase; letter-spacing: 0.6px; font-weight: 600; }

.card.lead       { border-top-color: #94a3b8; }
.card.lead       .card-count { color: #64748b; }
.card.contactado { border-top-color: #2563eb; }
.card.contactado .card-count { color: #2563eb; }
.card.propuesta  { border-top-color: #d97706; }
.card.propuesta  .card-count { color: #d97706; }
.card.ganado     { border-top-color: #16a34a; }
.card.ganado     .card-count { color: #16a34a; }
.card.perdido    { border-top-color: #dc2626; }
.card.perdido    .card-count { color: #dc2626; }

/* ===== TABLE ===== */
.table-wrap {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,.07);
    overflow: hidden;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid #e2e8f0;
}

.table-title { font-size: 15px; font-weight: 600; color: #0f172a; }

table { width: 100%; border-collapse: collapse; }

th {
    text-align: left;
    padding: 11px 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: #64748b;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

td {
    padding: 12px 20px;
    font-size: 14px;
    border-bottom: 1px solid #f1f5f9;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }

td a { color: #2563eb; text-decoration: none; font-weight: 500; }
td a:hover { text-decoration: underline; }

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: 12px;
    font-weight: 600;
}

.badge-lead       { background: #f1f5f9; color: #64748b; }
.badge-contactado { background: #dbeafe; color: #1d4ed8; }
.badge-propuesta  { background: #fef3c7; color: #b45309; }
.badge-ganado     { background: #dcfce7; color: #15803d; }
.badge-perdido    { background: #fee2e2; color: #b91c1c; }
.badge-llamada    { background: #ede9fe; color: #5b21b6; }
.badge-email      { background: #fce7f3; color: #be185d; }
.badge-reunion    { background: #d1fae5; color: #065f46; }
.badge-nota       { background: #f1f5f9; color: #475569; }

/* ===== FILTERS ===== */
.filters { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }

.filter-btn {
    padding: 6px 14px;
    border-radius: 99px;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    color: #64748b;
    background: #e2e8f0;
    transition: background 0.12s, color 0.12s;
}

.filter-btn:hover { background: #cbd5e1; color: #1e293b; }
.filter-btn.active { background: #2563eb; color: #fff; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: 7px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: background 0.12s;
    font-family: inherit;
    line-height: 1;
}

.btn-primary         { background: #2563eb; color: #fff; }
.btn-primary:hover   { background: #1d4ed8; }
.btn-secondary       { background: #e2e8f0; color: #374151; }
.btn-secondary:hover { background: #cbd5e1; }
.btn-danger          { background: #fee2e2; color: #b91c1c; }
.btn-danger:hover    { background: #fecaca; }
.btn-sm { padding: 5px 12px; font-size: 13px; }

/* ===== FORMS ===== */
.form-card {
    background: #fff;
    border-radius: 10px;
    padding: 28px;
    box-shadow: 0 1px 3px rgba(0,0,0,.07);
    max-width: 700px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }

label { font-size: 13px; font-weight: 600; color: #374151; }

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
select,
textarea {
    border: 1px solid #d1d5db;
    border-radius: 6px;
    padding: 9px 12px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.12s, box-shadow 0.12s;
    width: 100%;
    background: #fff;
    color: #0f172a;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

textarea { resize: vertical; min-height: 90px; }

/* ===== ALERTS ===== */
.alert { padding: 12px 16px; border-radius: 7px; margin-bottom: 20px; font-size: 14px; }
.alert-error { background: #fee2e2; color: #b91c1c; border: 1px solid #fecaca; }

/* ===== LOGIN PAGE ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1e293b;
    width: 100%;
}

.login-card {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 24px 48px rgba(0,0,0,.35);
}

.login-logo {
    text-align: center;
    margin-bottom: 28px;
    font-size: 22px;
    font-weight: 800;
    color: #1e293b;
}

.login-logo span { color: #2563eb; }
.login-subtitle { font-size: 14px; color: #64748b; margin-top: 6px; font-weight: 400; }

/* ===== CLIENT DETAIL ===== */
.two-col {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    align-items: start;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.detail-item label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: #64748b;
    margin-bottom: 3px;
}

.detail-item p { font-size: 15px; color: #0f172a; }
.detail-item a { color: #2563eb; text-decoration: none; }
.detail-item a:hover { text-decoration: underline; }

/* ===== INTERACTIONS ===== */
.interaction-item {
    padding: 14px 0;
    border-bottom: 1px solid #f1f5f9;
}

.interaction-item:last-child { border-bottom: none; }

.interaction-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 12px;
    color: #64748b;
}

.interaction-content { font-size: 14px; color: #1e293b; line-height: 1.55; }

/* ===== EMPTY STATE ===== */
.empty { text-align: center; padding: 48px 20px; color: #94a3b8; }
.empty strong { display: block; font-size: 16px; color: #64748b; margin-bottom: 8px; }
.empty p { font-size: 14px; }
.empty a { color: #2563eb; text-decoration: none; }

/* ===== UTILITY ===== */
.text-muted  { color: #94a3b8; }
.flex        { display: flex; }
.gap-2       { gap: 8px; }
.items-center { align-items: center; }