/*
 * app.css — Global Design System
 * MasterCRM | Shared across public, auth, CRM, admin, tenant layers
 *
 * Architecture note:
 * All colors are driven by CSS custom properties.
 * Global and tenant branding overrides are injected into page layouts as
 * validated CSS custom properties, scoped from the stored color tokens.
 */

/* ============================================================
   DESIGN TOKENS — CSS Custom Properties
   ============================================================ */
:root {
    /* Brand */
    --primary-color:        #4f46e5;   /* Indigo */
    --primary-hover-color:  #4338ca;
    --primary-light-color:  #eef2ff;

    --secondary-color:      #0ea5e9;   /* Sky Blue */
    --secondary-hover-color:#0284c7;
    --secondary-light-color:#f0f9ff;

    --accent-color:         #f59e0b;   /* Amber */
    --accent-hover-color:   #d97706;
    --accent-light-color:   #fffbeb;

    /* Backgrounds */
    --body-bg:              #ffffff;
    --surface-color:        #f8fafc;
    --surface-alt-color:    #f1f5f9;
    --dark-bg:              #0f172a;
    --dark-surface:         #1e293b;

    /* Typography */
    --text-color:           #1e293b;
    --text-light-color:     #334155;
    --muted-color:          #64748b;
    --muted-light-color:    #94a3b8;
    --inverse-text-color:   #ffffff;

    /* Borders */
    --border-color:         #e2e8f0;
    --border-light-color:   #f1f5f9;

    /* Status */
    --success-color:        #10b981;
    --success-light-color:  #ecfdf5;
    --warning-color:        #f59e0b;
    --warning-light-color:  #fffbeb;
    --danger-color:         #ef4444;
    --danger-light-color:   #fef2f2;
    --info-color:           #0ea5e9;
    --info-light-color:     #f0f9ff;

    /* Links */
    --link-color:           var(--primary-color);
    --link-hover-color:     var(--primary-hover-color);

    /* Shape */
    --border-radius-sm:     6px;
    --border-radius:        10px;
    --border-radius-lg:     16px;
    --border-radius-xl:     24px;
    --button-radius:        8px;

    /* Shadows */
    --shadow-sm:            0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow:               0 4px 12px rgba(0,0,0,.08);
    --shadow-md:            0 8px 24px rgba(0,0,0,.10);
    --shadow-lg:            0 16px 48px rgba(0,0,0,.12);

    /* Spacing */
    --section-padding-y:    96px;

    /* Transitions */
    --transition-fast:      0.15s ease;
    --transition:           0.25s ease;
    --transition-slow:      0.4s ease;

    /* Typography scale */
    --font-sans:            'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base:       1rem;
    --line-height-base:     1.6;
}

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

html { scroll-behavior: smooth; }

body {
    font-family:    var(--font-sans);
    font-size:      var(--font-size-base);
    line-height:    var(--line-height-base);
    color:          var(--text-color);
    background:     var(--body-bg);
    -webkit-font-smoothing: antialiased;
}

a {
    color:              var(--link-color);
    text-decoration:    none;
    transition:         color var(--transition-fast);
}
a:hover { color: var(--link-hover-color); }

/* ============================================================
   BOOTSTRAP OVERRIDES — Button
   ============================================================ */
.btn {
    border-radius:  var(--button-radius);
    font-weight:    500;
    letter-spacing: 0.01em;
    transition:     all var(--transition-fast);
}

.btn-primary {
    --bs-btn-bg:            var(--primary-color);
    --bs-btn-border-color:  var(--primary-color);
    --bs-btn-hover-bg:      var(--primary-hover-color);
    --bs-btn-hover-border-color: var(--primary-hover-color);
    --bs-btn-active-bg:     var(--primary-hover-color);
    --bs-btn-color:         #ffffff;
    --bs-btn-hover-color:   #ffffff;
}

.btn-secondary {
    --bs-btn-bg:            var(--secondary-color);
    --bs-btn-border-color:  var(--secondary-color);
    --bs-btn-hover-bg:      var(--secondary-hover-color);
    --bs-btn-hover-border-color: var(--secondary-hover-color);
    --bs-btn-color:         #ffffff;
    --bs-btn-hover-color:   #ffffff;
}

.btn-outline-primary {
    --bs-btn-color:                 var(--primary-color);
    --bs-btn-border-color:          var(--primary-color);
    --bs-btn-hover-bg:              var(--primary-color);
    --bs-btn-hover-border-color:    var(--primary-color);
    --bs-btn-hover-color:           #ffffff;
    --bs-btn-active-bg:             var(--primary-hover-color);
}

/* ============================================================
   BOOTSTRAP OVERRIDES — Card
   ============================================================ */
.card {
    border-radius:  var(--border-radius);
    border-color:   var(--border-color);
    box-shadow:     var(--shadow-sm);
}

/* ============================================================
   BOOTSTRAP OVERRIDES — Badge
   ============================================================ */
.badge { border-radius: var(--border-radius-sm); font-weight: 500; }

/* ============================================================
   BOOTSTRAP OVERRIDES — Form Controls
   ============================================================ */
.form-control, .form-select {
    border-color:   var(--border-color);
    border-radius:  var(--border-radius-sm);
    color:          var(--text-color);
    transition:     border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control:focus, .form-select:focus {
    border-color:   var(--primary-color);
    box-shadow:     0 0 0 3px rgba(79, 70, 229, 0.12);
    outline:        none;
}
.phone-input-group .phone-country-code { flex: 0 0 150px; width: auto; }
@media (max-width: 575.98px) {
    .phone-input-group .phone-country-code { flex-basis: 125px; }
}

/* ============================================================
   UTILITY
   ============================================================ */
.text-primary-custom  { color: var(--primary-color) !important; }
.text-muted-custom    { color: var(--muted-color) !important; }
.bg-surface           { background-color: var(--surface-color) !important; }
.bg-surface-alt       { background-color: var(--surface-alt-color) !important; }
.bg-dark-custom       { background-color: var(--dark-bg) !important; }