/* ============================================================
   Pucky — Design System & Theme
   Brand tokens match pucky.co.uk: midnight navy, electric blue → cyan,
   emerald "signal", Geist (display) + Inter (body).
   ============================================================ */

/* ----------------------------------------------------------
   1. Design Tokens (CSS Custom Properties)
   ---------------------------------------------------------- */
:root {
    /* --- Primary (Indigo) --- */
    --pucky-primary-50:  #EEF3FF;
    --pucky-primary-100: #DFE8FF;
    --pucky-primary-200: #C2D3FF;
    --pucky-primary-300: #9DB7FF;
    --pucky-primary-400: #7598FF;
    --pucky-primary:     #4F7CFF;
    --pucky-primary-600: #3A64EE;
    --pucky-primary-dark:#2F50C9;
    --pucky-primary-800: #2A44A1;
    --pucky-primary-900: #263C80;

    /* --- Secondary (Emerald) --- */
    --pucky-secondary-50:  #ecfdf5;
    --pucky-secondary-100: #d1fae5;
    --pucky-secondary-200: #a7f3d0;
    --pucky-secondary:     #34D399;
    --pucky-secondary-600: #059669;
    --pucky-secondary-dark:#047857;

    /* --- Accent (Amber) --- */
    --pucky-accent-50:  #fffbeb;
    --pucky-accent-100: #fef3c7;
    --pucky-accent-200: #fde68a;
    --pucky-accent:     #f59e0b;
    --pucky-accent-600: #d97706;
    --pucky-accent-dark:#b45309;

    /* --- Danger (Rose) --- */
    --pucky-danger-50:  #fff1f2;
    --pucky-danger-100: #ffe4e6;
    --pucky-danger-200: #fecdd3;
    --pucky-danger:     #f43f5e;
    --pucky-danger-600: #e11d48;
    --pucky-danger-dark:#be123c;

    /* --- Neutral (Slate) --- */
    --pucky-slate-50:  #f8fafc;
    --pucky-slate-100: #f1f5f9;
    --pucky-slate-200: #e2e8f0;
    --pucky-slate-300: #cbd5e1;
    --pucky-slate-400: #94a3b8;
    --pucky-slate-500: #64748b;
    --pucky-slate-600: #475569;
    --pucky-slate-700: #334155;
    --pucky-slate-800: #1e293b;
    --pucky-slate-900: #0f172a;

    /* Semantic aliases (for backward compat / convenience) */
    --pucky-gray-50:  var(--pucky-slate-50);
    --pucky-gray-100: var(--pucky-slate-100);
    --pucky-gray-200: var(--pucky-slate-200);
    --pucky-gray-300: var(--pucky-slate-300);
    --pucky-gray-400: var(--pucky-slate-400);
    --pucky-gray-500: var(--pucky-slate-500);
    --pucky-gray-600: var(--pucky-slate-600);
    --pucky-gray-700: var(--pucky-slate-700);
    --pucky-gray-800: var(--pucky-slate-800);
    --pucky-gray-900: var(--pucky-slate-900);

    /* --- Layout --- */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;
    --header-height: 64px;
    --sidebar-bg: #060A18;
    --pucky-navy: #060A18;
    --pucky-navy-elevated: #0B1226;
    --pucky-cyan: #22D3EE;
    --pucky-gradient: linear-gradient(135deg, #4F7CFF 0%, #22D3EE 100%);
    --sidebar-text: var(--pucky-slate-300);
    --sidebar-text-active: #ffffff;
    --sidebar-hover-bg: rgba(255, 255, 255, 0.06);
    --sidebar-active-bg: rgba(79, 124, 255, 0.15);
    --content-bg: var(--pucky-slate-50);
    --surface-bg: #ffffff;

    /* --- Spacing --- */
    --spacing-xs:  0.25rem;   /* 4px  */
    --spacing-sm:  0.5rem;    /* 8px  */
    --spacing-md:  1rem;      /* 16px */
    --spacing-lg:  1.5rem;    /* 24px */
    --spacing-xl:  2rem;      /* 32px */
    --spacing-2xl: 3rem;      /* 48px */
    --spacing-3xl: 4rem;      /* 64px */

    /* --- Shadows --- */
    --shadow-xs:  0 1px 2px 0 rgb(0 0 0 / 0.03);
    --shadow-sm:  0 1px 3px 0 rgb(0 0 0 / 0.06), 0 1px 2px -1px rgb(0 0 0 / 0.06);
    --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
    --shadow-xl:  0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.03);
    --shadow-ring: 0 0 0 3px rgba(79, 124, 255, 0.18);

    /* --- Border Radius --- */
    --radius-xs:   0.125rem;  /* 2px  */
    --radius-sm:   0.25rem;   /* 4px  */
    --radius-md:   0.375rem;  /* 6px  */
    --radius-lg:   0.5rem;    /* 8px  */
    --radius-xl:   0.75rem;   /* 12px */
    --radius-2xl:  1rem;      /* 16px */
    --radius-full: 9999px;

    /* --- Typography --- */
    --font-display: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Geist Mono', 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular,
                 Menlo, Monaco, Consolas, monospace;

    --text-xs:   0.75rem;     /* 12px */
    --text-sm:   0.8125rem;   /* 13px */
    --text-base: 0.875rem;    /* 14px */
    --text-md:   1rem;        /* 16px */
    --text-lg:   1.125rem;    /* 18px */
    --text-xl:   1.25rem;     /* 20px */
    --text-2xl:  1.5rem;      /* 24px */
    --text-3xl:  1.875rem;    /* 30px */
    --text-4xl:  2.25rem;     /* 36px */

    /* --- Transitions --- */
    --transition-fast:   120ms ease;
    --transition-base:   200ms ease;
    --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}


/* ----------------------------------------------------------
   2. Global Resets
   ---------------------------------------------------------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--pucky-slate-700);
    background-color: var(--content-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

img, svg {
    display: block;
    max-width: 100%;
}


/* ----------------------------------------------------------
   3. Typography
   ---------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    color: var(--pucky-slate-900);
    font-weight: 650;
    line-height: 1.25;
    letter-spacing: -0.015em;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl);  }
h4 { font-size: var(--text-lg);  }
h5 { font-size: var(--text-md);  }
h6 { font-size: var(--text-sm); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--pucky-slate-500); }

p {
    margin-bottom: var(--spacing-md);
}

small, .text-sm {
    font-size: var(--text-sm);
}


/* ----------------------------------------------------------
   4. Links
   ---------------------------------------------------------- */
a {
    color: var(--pucky-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--pucky-primary-dark);
}

a:focus-visible {
    outline: 2px solid var(--pucky-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}


/* ----------------------------------------------------------
   5. Buttons — Bootstrap Overrides
   ---------------------------------------------------------- */
.btn {
    font-weight: 500;
    font-size: var(--text-sm);
    border-radius: var(--radius-lg) !important;
    padding: 0.5rem 1rem;
    transition: all var(--transition-base);
    letter-spacing: -0.006em;
    line-height: 1.5;
    border: 1px solid transparent;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

/* Primary — Indigo */
.btn-primary {
    background-color: var(--pucky-primary) !important;
    border-color: var(--pucky-primary) !important;
    color: #ffffff !important;
    box-shadow: 0 1px 2px 0 rgb(99 102 241 / 0.3);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--pucky-primary-600) !important;
    border-color: var(--pucky-primary-600) !important;
    box-shadow: 0 4px 12px 0 rgb(99 102 241 / 0.3);
}

.btn-primary:active {
    background-color: var(--pucky-primary-dark) !important;
    border-color: var(--pucky-primary-dark) !important;
}

/* Outline Primary */
.btn-outline-primary {
    color: var(--pucky-primary) !important;
    border-color: var(--pucky-primary) !important;
    background-color: transparent !important;
}

.btn-outline-primary:hover {
    background-color: var(--pucky-primary) !important;
    color: #ffffff !important;
}

/* Success — Emerald */
.btn-success {
    background-color: var(--pucky-secondary) !important;
    border-color: var(--pucky-secondary) !important;
    color: #ffffff !important;
    box-shadow: 0 1px 2px 0 rgb(16 185 129 / 0.3);
}

.btn-success:hover,
.btn-success:focus {
    background-color: var(--pucky-secondary-600) !important;
    border-color: var(--pucky-secondary-600) !important;
    box-shadow: 0 4px 12px 0 rgb(16 185 129 / 0.25);
}

/* Warning — Amber */
.btn-warning {
    background-color: var(--pucky-accent) !important;
    border-color: var(--pucky-accent) !important;
    color: var(--pucky-slate-900) !important;
    box-shadow: 0 1px 2px 0 rgb(245 158 11 / 0.3);
}

.btn-warning:hover,
.btn-warning:focus {
    background-color: var(--pucky-accent-600) !important;
    border-color: var(--pucky-accent-600) !important;
}

/* Danger — Rose */
.btn-danger {
    background-color: var(--pucky-danger) !important;
    border-color: var(--pucky-danger) !important;
    color: #ffffff !important;
    box-shadow: 0 1px 2px 0 rgb(244 63 94 / 0.3);
}

.btn-danger:hover,
.btn-danger:focus {
    background-color: var(--pucky-danger-600) !important;
    border-color: var(--pucky-danger-600) !important;
    box-shadow: 0 4px 12px 0 rgb(244 63 94 / 0.25);
}

/* Ghost / Light */
.btn-light {
    background-color: var(--pucky-slate-100) !important;
    border-color: var(--pucky-slate-200) !important;
    color: var(--pucky-slate-700) !important;
}

.btn-light:hover {
    background-color: var(--pucky-slate-200) !important;
    color: var(--pucky-slate-900) !important;
}

/* Small buttons */
.btn-sm {
    font-size: var(--text-xs);
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-md) !important;
}

/* Large buttons */
.btn-lg {
    font-size: var(--text-md);
    padding: 0.625rem 1.5rem;
}


/* ----------------------------------------------------------
   6. Cards
   ---------------------------------------------------------- */
.card {
    border: 1px solid var(--pucky-slate-200) !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-sm) !important;
    background-color: var(--surface-bg);
    transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md) !important;
    border-color: var(--pucky-slate-300) !important;
}

.card-header {
    background-color: var(--surface-bg) !important;
    border-bottom: 1px solid var(--pucky-slate-100) !important;
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md) !important;
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--pucky-slate-900);
}

.card-body {
    padding: var(--spacing-lg) !important;
}

.card-footer {
    background-color: var(--pucky-slate-50) !important;
    border-top: 1px solid var(--pucky-slate-100) !important;
    padding: var(--spacing-md) var(--spacing-lg) !important;
}


/* ----------------------------------------------------------
   7. Badges
   ---------------------------------------------------------- */
.badge {
    font-weight: 550;
    font-size: var(--text-xs);
    padding: 0.2em 0.6em;
    border-radius: var(--radius-md);
    letter-spacing: 0.01em;
    line-height: 1.5;
}

.badge.bg-primary {
    background-color: var(--pucky-primary-100) !important;
    color: var(--pucky-primary-800) !important;
}

.badge.bg-secondary {
    background-color: var(--pucky-slate-100) !important;
    color: var(--pucky-slate-600) !important;
}

.badge.bg-success {
    background-color: var(--pucky-secondary-100) !important;
    color: var(--pucky-secondary-dark) !important;
}

.badge.bg-danger {
    background-color: var(--pucky-danger-100) !important;
    color: var(--pucky-danger-dark) !important;
}

.badge.bg-warning {
    background-color: var(--pucky-accent-100) !important;
    color: var(--pucky-accent-dark) !important;
}

.badge.bg-info {
    background-color: var(--pucky-primary-50) !important;
    color: var(--pucky-primary-600) !important;
}


/* ----------------------------------------------------------
   8. Alerts
   ---------------------------------------------------------- */
.alert {
    border-radius: var(--radius-lg);
    border: none;
    font-size: var(--text-sm);
    font-weight: 450;
    padding: var(--spacing-md) var(--spacing-lg);
}

.alert-primary {
    background-color: var(--pucky-primary-50) !important;
    color: var(--pucky-primary-800) !important;
    border-left: 3px solid var(--pucky-primary) !important;
}

.alert-success {
    background-color: var(--pucky-secondary-50) !important;
    color: #065f46 !important;
    border-left: 3px solid var(--pucky-secondary) !important;
}

.alert-warning {
    background-color: var(--pucky-accent-50) !important;
    color: #92400e !important;
    border-left: 3px solid var(--pucky-accent) !important;
}

.alert-danger {
    background-color: var(--pucky-danger-50) !important;
    color: #9f1239 !important;
    border-left: 3px solid var(--pucky-danger) !important;
}

.alert-info {
    background-color: #f0f9ff !important;
    color: #0c4a6e !important;
    border-left: 3px solid #0ea5e9 !important;
}


/* ----------------------------------------------------------
   9. Tables
   ---------------------------------------------------------- */
.table {
    background-color: var(--surface-bg);
    font-size: var(--text-sm);
    border-color: var(--pucky-slate-100);
    margin-bottom: 0;
}

.table > :not(caption) > * > * {
    padding: 0.75rem 1rem;
    border-bottom-color: var(--pucky-slate-100);
}

.table thead th {
    background-color: var(--pucky-slate-50);
    color: var(--pucky-slate-500);
    font-weight: 600;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--pucky-slate-200) !important;
    white-space: nowrap;
    padding: 0.625rem 1rem;
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table-hover tbody tr:hover {
    background-color: var(--pucky-slate-50) !important;
}

.table tbody td {
    color: var(--pucky-slate-700);
    vertical-align: middle;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--pucky-slate-50);
}


/* ----------------------------------------------------------
   10. Forms
   ---------------------------------------------------------- */
.form-control,
.form-select {
    font-size: var(--text-sm);
    border: 1px solid var(--pucky-slate-300);
    border-radius: var(--radius-lg);
    padding: 0.5rem 0.75rem;
    color: var(--pucky-slate-900);
    background-color: var(--surface-bg);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-control::placeholder {
    color: var(--pucky-slate-400);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--pucky-primary-400) !important;
    box-shadow: var(--shadow-ring) !important;
    outline: none;
}

.form-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--pucky-slate-700);
    margin-bottom: 0.375rem;
}

.form-text {
    font-size: var(--text-xs);
    color: var(--pucky-slate-500);
}

.form-check-input:checked {
    background-color: var(--pucky-primary);
    border-color: var(--pucky-primary);
}

.form-check-input:focus {
    box-shadow: var(--shadow-ring);
    border-color: var(--pucky-primary-400);
}

.input-group-text {
    font-size: var(--text-sm);
    background-color: var(--pucky-slate-50);
    border-color: var(--pucky-slate-300);
    color: var(--pucky-slate-500);
}


/* ----------------------------------------------------------
   11. Spinners
   ---------------------------------------------------------- */
.spinner-border {
    color: var(--pucky-primary);
    width: 1.5rem;
    height: 1.5rem;
    border-width: 2px;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}


/* ----------------------------------------------------------
   12. Dropdowns
   ---------------------------------------------------------- */
.dropdown-menu {
    border: 1px solid var(--pucky-slate-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xs);
    font-size: var(--text-sm);
    animation: dropdownFadeIn 150ms ease;
}

@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
    border-radius: var(--radius-md);
    padding: 0.4rem 0.75rem;
    font-weight: 450;
    color: var(--pucky-slate-700);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--pucky-slate-100);
    color: var(--pucky-slate-900);
}

.dropdown-item.active,
.dropdown-item:active {
    background-color: var(--pucky-primary-50) !important;
    color: var(--pucky-primary) !important;
}

.dropdown-divider {
    border-color: var(--pucky-slate-100);
    margin: var(--spacing-xs) 0;
}


/* ----------------------------------------------------------
   13. Modals
   ---------------------------------------------------------- */
.modal-content {
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--pucky-slate-100);
    padding: var(--spacing-lg);
}

.modal-title {
    font-weight: 650;
    font-size: var(--text-lg);
    color: var(--pucky-slate-900);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    border-top: 1px solid var(--pucky-slate-100);
    padding: var(--spacing-md) var(--spacing-lg);
}

.modal-backdrop.show {
    opacity: 0.4;
}


/* ----------------------------------------------------------
   14. Tooltips & Popovers
   ---------------------------------------------------------- */
.tooltip-inner {
    background-color: var(--pucky-slate-800);
    font-size: var(--text-xs);
    font-weight: 500;
    border-radius: var(--radius-md);
    padding: 0.3rem 0.6rem;
}

.popover {
    border: 1px solid var(--pucky-slate-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}


/* ----------------------------------------------------------
   15. Pagination
   ---------------------------------------------------------- */
.page-link {
    color: var(--pucky-slate-600);
    border-color: var(--pucky-slate-200);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.page-link:hover {
    background-color: var(--pucky-slate-50);
    color: var(--pucky-primary);
    border-color: var(--pucky-slate-300);
}

.page-item.active .page-link {
    background-color: var(--pucky-primary) !important;
    border-color: var(--pucky-primary) !important;
    color: #ffffff !important;
}


/* ----------------------------------------------------------
   16. Nav / Tabs
   ---------------------------------------------------------- */
.nav-tabs {
    border-bottom: 1px solid var(--pucky-slate-200);
}

.nav-tabs .nav-link {
    color: var(--pucky-slate-500);
    font-weight: 500;
    font-size: var(--text-sm);
    padding: 0.625rem 1rem;
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    transition: color var(--transition-base), border-color var(--transition-base);
}

.nav-tabs .nav-link:hover {
    color: var(--pucky-slate-700);
    border-bottom-color: var(--pucky-slate-300);
    background: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--pucky-primary);
    border-bottom-color: var(--pucky-primary);
    background: transparent;
    font-weight: 600;
}


/* ----------------------------------------------------------
   17. Progress Bars
   ---------------------------------------------------------- */
.progress {
    height: 6px;
    border-radius: var(--radius-full);
    background-color: var(--pucky-slate-100);
    overflow: hidden;
}

.progress-bar {
    background-color: var(--pucky-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-smooth);
}


/* ----------------------------------------------------------
   18. Custom Scrollbar
   ---------------------------------------------------------- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--pucky-slate-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--pucky-slate-400);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--pucky-slate-300) transparent;
}


/* ----------------------------------------------------------
   19. Selection Highlight
   ---------------------------------------------------------- */
::selection {
    background-color: rgba(79, 124, 255, 0.2);
    color: var(--pucky-slate-900);
}

::-moz-selection {
    background-color: rgba(79, 124, 255, 0.2);
    color: var(--pucky-slate-900);
}


/* ----------------------------------------------------------
   20. List Groups
   ---------------------------------------------------------- */
.list-group-item {
    border-color: var(--pucky-slate-100);
    padding: 0.75rem 1rem;
    font-size: var(--text-sm);
    color: var(--pucky-slate-700);
    transition: background-color var(--transition-fast);
}

.list-group-item:hover {
    background-color: var(--pucky-slate-50);
}

.list-group-item.active {
    background-color: var(--pucky-primary) !important;
    border-color: var(--pucky-primary) !important;
}


/* ----------------------------------------------------------
   21. Toasts
   ---------------------------------------------------------- */
.toast {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--text-sm);
}

.toast-header {
    border-bottom: 1px solid var(--pucky-slate-100);
    font-weight: 600;
}

/* Brand typography: Geist for headings, matching pucky.co.uk. */
h1, h2, h3, h4, .page-title, .login-title {
    font-family: var(--font-display);
    letter-spacing: -0.02em;
}