import streamlit as st


# ============================================================
# Global CSS & Meta (Common to all tabs)
# ============================================================
def add_custom_css():
    st.markdown("""
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <style>
      /* Tooltip container */
      .tooltip {
        position: relative;
        display: inline-block;
      }
      .tooltip .tooltiptext {
        visibility: hidden;
        width: 200px;
        background-color: rgba(0,0,0,0.8);
        color: #fff;
        text-align: left;
        border-radius: 6px;
        padding: 5px;
        position: absolute;
        z-index: 1;
        bottom: 100%;
        margin-bottom: 5px;
        left: 50%;
        transform: translateX(-50%);
        opacity: 0;
        transition: opacity 0.3s;
        font-size: 0.8em;
        line-height: 1.2em;
      }
      .tooltip:hover .tooltiptext {
        visibility: visible;
        opacity: 1;
      }
      img {
        max-width: 100%;
        height: auto;
      }
      div.stButton > button {
          font-size: 0.8em;
          padding: 0.3em 0.6em;
          background-color: #D3D3D3;
      }
    </style>
    """, unsafe_allow_html=True)



def cvc_add_custom_css():
    st.markdown("""
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <style>
    /* Tooltip container */
    .tooltip {
      position: relative;
      display: inline-block;
    }
    .tooltip .tooltiptext {
      visibility: hidden;
      width: 220px;
      background-color: rgba(0,0,0,0.8);
      color: #fff;
      text-align: left;
      border-radius: 6px;
      padding: 5px;
      position: absolute;
      z-index: 1;
      bottom: 100%;
      margin-bottom: 5px;
      left: 50%;
      transform: translateX(-50%);
      opacity: 0;
      transition: opacity 0.3s;
      font-size: 0.8em;
      line-height: 1.2em;
      white-space: pre-wrap;
    }
    .tooltip:hover .tooltiptext {
      visibility: visible;
      opacity: 1;
    }
    img {
      max-width: 100%;
      height: auto;
    }
    div.stButton > button {
      font-size: 0.8em;
      padding: 0.3em 0.6em;
      background-color: #D3D3D3;
    }
    /* KPI Card styling */
    .kpi-card {
      background-color: #f9f9f9;
      padding: 12px;
      border-radius: 5px;
      box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
      width: 100%;
      max-width: 220px;
      margin: 5px auto;
      text-align: center;
      font-family: sans-serif;
      display: block;
    }
    .kpi-title {
      font-size: 14px;
      color: #555;
      margin-bottom: 4px;
    }
    .kpi-value {
      font-size: 20px;
      font-weight: bold;
      margin: 0;
    }
    .kpi-change {
      font-size: 12px;
      color: green;
      margin-top: 4px;
    }
    </style>
    """, unsafe_allow_html=True)