@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
    --bg-main: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    background-image: radial-gradient(circle at 0% 0%, rgba(56, 189, 248, 0.05) 0%, transparent 50%),
                      radial-gradient(circle at 100% 100%, rgba(56, 189, 248, 0.05) 0%, transparent 50%);
}

.header-bg {
    background: transparent;
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 40px;
}

h1 {
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card {
    background: var(--bg-card) !important;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color) !important;
    border-radius: 16px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
}

.card-header {
    background: rgba(255, 255, 255, 0.05) !important;
    border-bottom: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    padding: 15px 20px;
}

.form-control, .form-select {
    background-color: rgba(15, 23, 42, 0.5) !important;
    border: 1px solid var(--border-color) !important;
    color: white !important;
    border-radius: 8px;
    padding: 10px 15px;
}

.form-control:focus, .form-select:focus {
    background-color: rgba(15, 23, 42, 0.8) !important;
    border-color: var(--accent) !important;
    color: white !important;
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

.btn-primary {
    background-color: var(--accent) !important;
    border: none !important;
    color: var(--bg-main) !important;
    font-weight: 700;
    padding: 10px 20px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--accent-hover) !important;
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
}

.table {
    --bs-table-bg: transparent !important;
    --bs-table-color: var(--text-primary) !important;
    --bs-table-hover-bg: rgba(255, 255, 255, 0.05) !important;
    --bs-table-hover-color: var(--accent) !important;
    color: var(--text-primary) !important;
    background-color: transparent !important;
}

.table td, .table th {
    background-color: transparent !important;
    border-bottom-color: var(--border-color) !important;
}

.table-hover tbody tr:hover td {
    color: var(--accent) !important;
    background-color: rgba(255, 255, 255, 0.05) !important;
}

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

.badge {
    padding: 6px 10px;
    border-radius: 6px;
    font-weight: 500;
}

.badge.bg-info {
    background-color: rgba(56, 189, 248, 0.1) !important;
    color: var(--accent) !important;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

/* Visibilità Placeholder */
::placeholder {
    color: var(--text-secondary) !important;
    opacity: 0.6 !important;
}

::-ms-input-placeholder {
    color: var(--text-secondary) !important;
}

/* Scrollbar personalizzata */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Animazioni */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.container {
    animation: fadeIn 0.5s ease-out;
}

/* Griglia Selezione Posizione */
#gridPosizione button {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: all 0.2s;
}

#gridPosizione button:hover {
    background: var(--accent);
    color: var(--bg-main);
    font-weight: bold;
}

/* Modali Dark Mode Premium */
.modal-content {
    background: rgba(30, 41, 59, 0.95) !important;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: 16px;
}

.modal-header {
    border-bottom: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

.modal-footer {
    border-top: 1px solid var(--border-color) !important;
}

.modal-title {
    font-weight: 600;
}

.btn-close {
    filter: invert(1);
}