/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,300;14..32,400;14..32,500;14..32,600;14..32,700&display=swap');

/* ===== ZMIENNE KOLORYSTYCZNE ===== */
:root {
    --primary: #4f00e5;
    --primary-light: #a493f9;
    --primary-dark: #3a00b0;
    --secondary: #6c757d;
    --success: #00b894;
    --danger: #d63031;
    --warning: #f39c12;
    --info: #00cec9;
    --dark: #2d3436;
    --light: #f5f6fa;
    --gray-100: #f1f2f6;
    --gray-200: #dfe4ea;
    --gray-300: #ced6e0;
    --gray-400: #a4b0be;
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --card-shadow: 0 10px 30px -5px rgba(79, 0, 229, 0.1), 0 5px 15px rgba(0,0,0,0.02);
    --card-shadow-hover: 0 20px 40px -10px rgba(79, 0, 229, 0.2), 0 10px 20px rgba(0,0,0,0.05);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 1.2rem;
    --border-radius-sm: 0.8rem;
}

/* ===== STYLE PODSTAWOWE ===== */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #f8f9fe 0%, #f1f3fd 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* ===== NAVBAR ===== */
.navbar {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(164, 147, 249, 0.2);
    box-shadow: 0 4px 20px rgba(79, 0, 229, 0.05);
    padding: 0.8rem 2rem;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.6rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    transition: var(--transition);
}

.navbar-brand:hover {
    opacity: 0.8;
    transform: scale(0.98);
}

.navbar-nav .nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
    padding: 0.6rem 1.2rem !important;
    border-radius: 2rem;
    transition: var(--transition);
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transition: width 0.2s ease;
}

.navbar-nav .nav-link:hover::after {
    width: 70%;
}

.navbar-nav .nav-link:hover {
    background: rgba(79, 0, 229, 0.05);
    color: var(--primary) !important;
}

/* ===== KARTY (CARD) ===== */
.card {
    border: none;
    border-radius: var(--border-radius);
    background: var(--white);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid rgba(164, 147, 249, 0.3);
    padding: 1.2rem 1.8rem;
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary-dark);
}

.card-body {
    padding: 1.8rem;
}

/* ===== LISTY (LIST-GROUP) ===== */
.list-group {
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.list-group-item {
    border: none;
    border-bottom: 1px solid rgba(164, 147, 249, 0.15);
    padding: 1rem 1.5rem;
    background-color: var(--white);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-primary);
}

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

.list-group-item:hover {
    background-color: rgba(164, 147, 249, 0.05);
    padding-left: 2rem;
}

/* ===== PRZYCISKI (BUTTONS) ===== */
.btn {
    border-radius: 2rem;
    font-weight: 600;
    padding: 0.6rem 1.6rem;
    transition: var(--transition);
    border: none;
    box-shadow: 0 4px 10px rgba(79, 0, 229, 0.1);
    letter-spacing: 0.3px;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(79, 0, 229, 0.2);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(79, 0, 229, 0.2);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.btn-success {
    background: linear-gradient(135deg, #00b894, #00cec9);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #d63031, #e17055);
    color: white;
}

.btn-sm {
    padding: 0.4rem 1.2rem;
    font-size: 0.75rem;
    border-radius: 1.5rem;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

/* Specjalny styl dla przycisków "Dodaj" */
.btn-success {
    background: linear-gradient(135deg, #6c5ce7, #a29bfe);
}

.btn-success:hover {
    background: linear-gradient(135deg, #5f4bdb, #8f7ef5);
}

/* ===== FORMULARZE ===== */
.form-control {
    border-radius: 2rem;
    border: 1px solid rgba(164, 147, 249, 0.3);
    padding: 0.8rem 1.5rem;
    transition: var(--transition);
    background-color: rgba(255,255,255,0.9);
    font-size: 0.95rem;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 0, 229, 0.1);
    outline: none;
    background-color: white;
}

/* ===== WYNIKI KOMBINACJI ===== */
.border.p-2.bg-light {
    border: none !important;
    background: linear-gradient(135deg, #ffffff, #f9f9ff) !important;
    border-radius: var(--border-radius-sm);
    padding: 1.2rem !important;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    text-align: center;
    font-weight: 500;
    color: var(--text-primary);
    border: 1px solid rgba(164, 147, 249, 0.2) !important;
}

.border.p-2.bg-light:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 30px -10px rgba(79, 0, 229, 0.25);
    background: linear-gradient(135deg, var(--primary-light), #ffffff) !important;
    border-color: transparent !important;
    color: var(--primary-dark);
}

/* ===== LISTA PROJEKTÓW NA DASHBOARDZIE ===== */
.list-group-item {
    border-radius: var(--border-radius-sm) !important;
    margin-bottom: 0.5rem;
    border: 1px solid transparent;
    transition: var(--transition);
}

.list-group-item:hover {
    border-color: rgba(79, 0, 229, 0.2);
    background-color: white;
}

.list-group-item a:not(.btn) {
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
}

.list-group-item a:not(.btn):hover {
    color: var(--primary);
    text-decoration: none;
    padding-left: 5px;
}

/* ===== LINKI ===== */
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
    text-decoration-color: rgba(79, 0, 229, 0.3);
    text-underline-offset: 3px;
}

/* Linki w nawigacji i przyciskach są już stylowane osobno */

/* ===== ALERTY ===== */
.alert {
    border-radius: var(--border-radius-sm);
    border: none;
    padding: 1.2rem 1.8rem;
    background: rgba(164, 147, 249, 0.1);
    color: var(--primary-dark);
    border-left: 4px solid var(--primary);
}

.alert-danger {
    background: rgba(214, 48, 49, 0.1);
    color: #b33939;
    border-left-color: var(--danger);
}

/* ===== LOGOWANIE / REJESTRACJA ===== */
.container.mt-5[style*="max-width: 400px;"] {
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(164, 147, 249, 0.2);
    padding: 2.5rem;
    border-radius: 2rem;
    box-shadow: 0 25px 50px -12px rgba(79, 0, 229, 0.25);
}

.container.mt-5 h2 {
    color: var(--primary-dark);
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
    font-size: 2rem;
}

/* ===== NAGŁÓWKI ===== */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-dark);
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* ===== CIEKAWY EFEKT DLA KART Z LISTAMI ===== */
.card .card-header {
    position: relative;
    overflow: hidden;
}

.card .card-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(164,147,249,0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.card:hover .card-header::before {
    opacity: 1;
}

/* ===== PRZYCISK GENERUJ ===== */
button[name="generate"] {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 3rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 1rem;
    box-shadow: 0 10px 20px -8px rgba(79, 0, 229, 0.4);
    transition: var(--transition);
    width: auto;
    margin: 1rem 0;
}

button[name="generate"]:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 30px -8px rgba(79, 0, 229, 0.6);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

/* ===== RESPONSYWNOŚĆ ===== */
@media (max-width: 768px) {
    .navbar {
        padding: 0.5rem 1rem;
    }
    
    .navbar-brand {
        font-size: 1.3rem;
    }
    
    .card-header {
        padding: 1rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .btn {
        padding: 0.5rem 1.2rem;
    }
}

/* ===== DODATKOWE KLASY UŻYTKOWE ===== */
.shadow-custom {
    box-shadow: var(--card-shadow) !important;
}

.shadow-custom-hover:hover {
    box-shadow: var(--card-shadow-hover) !important;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}