/* =========================================================
   GOOGLE FONT
========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* =========================================================
   RESET
========================================================= */
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Poppins',sans-serif;

  transition:
    background 0.3s ease,
    color 0.3s ease,
    border 0.3s ease,
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

/* =========================================================
   ROOT VARIABLES
========================================================= */
:root{

  --bg:#eef2ff;

  --card:rgba(255,255,255,0.72);

  --text:#0f172a;

  --muted:#64748b;

  --primary:#6366f1;

  --secondary:#8b5cf6;

  --income:#00c853;

  --expense:#ff4d4d;

  --border:rgba(255,255,255,0.22);

  --shadow:
    0 12px 35px rgba(31,38,135,0.12);
}

/* =========================================================
   BODY
========================================================= */
body{

  background:
    linear-gradient(
      135deg,
      #dbeafe,
      #eef2ff,
      #e0e7ff
    );

  min-height:100vh;

  display:flex;

  justify-content:center;

  color:var(--text);

  padding:32px 20px 40px;

  overflow-x:hidden;
}

/* =========================================================
   PARTICLES
========================================================= */
body::before{

  content:"";

  position:fixed;

  inset:0;

  background-image:
    radial-gradient(
      rgba(255,255,255,0.3) 1px,
      transparent 1px
    );

  background-size:40px 40px;

  animation:particlesMove 20s linear infinite;

  z-index:-2;
}

@keyframes particlesMove{

  from{
    transform:translateY(0);
  }

  to{
    transform:translateY(-200px);
  }
}

/* =========================================================
   FLOATING BLOBS
========================================================= */
.bg-animation span{

  position:fixed;

  width:320px;
  height:320px;

  border-radius:50%;

  filter:blur(90px);

  z-index:-1;

  animation:moveBlob 14s infinite alternate ease-in-out;
}

.bg-animation span:nth-child(1){

  top:-120px;
  left:-100px;

  background:rgba(99,102,241,0.22);
}

.bg-animation span:nth-child(2){

  top:35%;
  right:-120px;

  background:rgba(139,92,246,0.18);

  animation-delay:3s;
}

.bg-animation span:nth-child(3){

  bottom:-120px;
  left:30%;

  background:rgba(59,130,246,0.15);

  animation-delay:6s;
}

@keyframes moveBlob{

  from{
    transform:translate(0,0) scale(1);
  }

  to{
    transform:translate(90px,-60px) scale(1.2);
  }
}

/* =========================================================
   MAIN
========================================================= */
.main{

  width:min(1200px,100%);

  max-width:1200px;

  margin:0 auto;

  animation:fadeUp 1s ease;
}

@keyframes fadeUp{

  from{
    opacity:0;
    transform:translateY(25px);
  }

  to{
    opacity:1;
    transform:translateY(0);
  }
}

/* =========================================================
   GLASS CARDS
========================================================= */
.add-data,
.summary,
.insights,
.recent-activity{

  background:var(--card);

  backdrop-filter:blur(18px);

  border:1px solid var(--border);

  border-radius:28px;

  padding:clamp(22px,2.5vw,32px);

  box-shadow:var(--shadow);
}

/* =========================================================
   HEADER
========================================================= */
.header{

  position:sticky;

  top:10px;

  z-index:100;

  display:flex;

  justify-content:space-between;

  align-items:center;

  margin-bottom:30px;

  padding:20px 28px;

  border-radius:24px;

  background:rgba(255,255,255,0.32);

  backdrop-filter:blur(18px);

  border:1px solid rgba(255,255,255,0.2);
}

.header-right{

  display:flex;

  align-items:center;

  gap:18px;
}

/* =========================================================
   HEADING
========================================================= */
.main-heading{

  display:flex;

  align-items:center;

  gap:14px;

  font-size:34px;

  font-weight:700;

  color:var(--primary);

  text-shadow:
    0 0 10px rgba(99,102,241,0.4);

  animation:float 4s infinite ease-in-out;
}

.main-heading i{

  background:
    linear-gradient(
      135deg,
      var(--primary),
      var(--secondary)
    );

  color:white;

  padding:16px;

  border-radius:18px;
}

/* =========================================================
   LIVE CLOCK
========================================================= */
.live-clock{

  display:flex;

  align-items:center;

  gap:10px;

  background:rgba(255,255,255,0.55);

  padding:12px 18px;

  border-radius:16px;

  font-weight:600;

  color:var(--primary);
}

/* =========================================================
   TOGGLE
========================================================= */
.mode-toggle{

  display:flex;

  align-items:center;

  gap:14px;
}

.toggle-switch{

  position:relative;

  width:60px;

  height:30px;
}

.toggle-switch input{
  opacity:0;
}

.slider{

  position:absolute;

  inset:0;

  cursor:pointer;

  background:#cbd5e1;

  border-radius:50px;
}

.slider::before{

  content:"";

  position:absolute;

  width:22px;
  height:22px;

  left:4px;
  bottom:4px;

  background:white;

  border-radius:50%;

  transition:0.4s;
}

input:checked + .slider{

  background:var(--primary);
}

input:checked + .slider::before{

  transform:translateX(30px);
}

/* =========================================================
   BUTTONS
========================================================= */
.submit-btn,
#resetBtn{

  border:none;

  outline:none;

  cursor:pointer;

  border-radius:16px;

  font-weight:600;

  display:flex;

  align-items:center;

  justify-content:center;

  gap:10px;

  overflow:hidden;
}

.submit-btn{

  padding:15px;

  background:
    linear-gradient(
      135deg,
      var(--primary),
      var(--secondary)
    );

  color:white;

  font-size:15px;

  animation:pulse 3s infinite;
}

.submit-btn:hover{

  transform:translateY(-4px) scale(1.02);
}

#resetBtn{

  padding:12px 18px;

  background:#fff0f0;

  color:#ef4444;
}

#resetBtn:hover{

  background:#ef4444;

  color:white;

  transform:translateY(-3px);
}

/* =========================================================
   LAYOUT
========================================================= */
.main-layout{

  display:grid;

  grid-template-columns:1fr 2fr;

  gap:28px;

  margin-bottom:30px;
}

/* =========================================================
   SECTION TITLE
========================================================= */
.section-title{

  display:flex;

  align-items:center;

  gap:10px;

  margin-bottom:22px;
}

.section-title i{

  color:var(--primary);
}

/* =========================================================
   FORM
========================================================= */
.add-transaction{

  display:flex;

  flex-direction:column;

  gap:16px;
}

.input-group{

  position:relative;
}

.input-group i{

  position:absolute;

  top:50%;
  left:16px;

  transform:translateY(-50%);

  color:var(--muted);
}

.input-group input,
.input-group select{

  width:100%;

  padding:15px 15px 15px 48px;

  border-radius:16px;

  border:1px solid rgba(99,102,241,0.12);

  background:rgba(255,255,255,0.75);

  font-size:14px;
}

.input-group input:focus,
.input-group select:focus{

  outline:none;

  border-color:var(--primary);

  box-shadow:
    0 0 0 5px rgba(99,102,241,0.12);
}

/* =========================================================
   SUMMARY
========================================================= */
.summary{

  display:flex;

  flex-direction:column;

  gap:24px;
}

/* =========================================================
   BALANCE CARD
========================================================= */
.acc-balance{

  min-height:220px;

  display:flex;

  flex-direction:column;

  justify-content:center;

  align-items:center;

  border-radius:28px;

  background:
    linear-gradient(
      135deg,
      #6366f1,
      #8b5cf6
    );

  color:white;

  text-align:center;

  position:relative;

  overflow:hidden;
}

.acc-balance::before{

  content:"";

  position:absolute;

  width:220px;
  height:220px;

  background:
    radial-gradient(
      rgba(255,255,255,0.25),
      transparent
    );

  top:-70px;
  right:-70px;
}

.balance-header{

  display:flex;

  align-items:center;

  gap:12px;

  margin-bottom:18px;

  font-size:20px;
}

.amount{

  font-size:48px;

  font-weight:700;

  line-height:1.1;

  word-break:break-word;
}

/* =========================================================
   SUMMARY BODY
========================================================= */
.summary-body{

  display:grid;

  grid-template-columns:1.7fr 0.95fr;

  gap:24px;

  align-items:start;
}

.summary-left{

  display:flex;

  flex-direction:column;

  gap:24px;
}

/* =========================================================
   INCOME EXPENSE
========================================================= */
.income-expense{

  display:grid;

  grid-template-columns:1fr 1fr;

  gap:20px;

  align-items:stretch;
}

/* =========================================================
   CARDS
========================================================= */
.card{

  min-height:250px;

  display:flex;

  flex-direction:column;

  justify-content:space-between;

  padding:30px;

  border-radius:24px;

  position:relative;

  overflow:hidden;
}

.card-header{

  display:flex;

  align-items:center;

  gap:10px;

  margin-bottom:16px;

  font-size:18px;
}

.income{

  background:
    linear-gradient(
      135deg,
      rgba(0,200,83,0.15),
      rgba(255,255,255,0.6)
    );
}

.expense{

  background:
    linear-gradient(
      135deg,
      rgba(255,77,77,0.15),
      rgba(255,255,255,0.6)
    );

  border:1px solid rgba(255,77,77,0.12);

  box-shadow:
    0 18px 40px rgba(255,77,77,0.08);

  justify-content:space-between;

  gap:16px;
}

.expense::before{

  content:"";

  position:absolute;

  width:200px;
  height:200px;

  background:
    radial-gradient(
      rgba(255,255,255,0.25),
      transparent
    );

  top:-60px;
  right:-60px;
}

.income .amount{
  color:var(--income);
}

.expense .amount{

  font-size:clamp(24px,2vw,32px);

  line-height:1;

  letter-spacing:-0.04em;

  white-space:nowrap;

  overflow-wrap:normal;

  align-self:flex-start;

  margin-top:auto;

  color:var(--expense);
}

.expense .card-header{

  margin-bottom:0;

  color:#1f2937;

  align-items:flex-start;
}

.expense .card-header p{

  line-height:1.05;
}

.income .amount,
.expense .amount{

  width:100%;

  text-align:left;
}

.expense .card-header i{

  color:#ef4444;
}

/* =========================================================
   MONTHLY BUDGET
========================================================= */
.monthly-budget{

  min-height:220px;

  display:flex;

  flex-direction:column;

  justify-content:center;

  gap:20px;

  padding:24px;

  border-radius:24px;

  background:rgba(255,255,255,0.55);
}

.budget-header{

  display:flex;

  justify-content:space-between;

  align-items:center;

  gap:20px;
}

#budgetInput{

  width:140px;

  padding:10px;

  border-radius:12px;

  border:1px solid rgba(99,102,241,0.15);

  outline:none;
}

.progress-bar{

  height:14px;

  border-radius:30px;

  overflow:hidden;

  background:#dbeafe;
}

.progress-fill{

  height:100%;

  width:0;

  border-radius:30px;

  background:
    linear-gradient(
      135deg,
      var(--primary),
      var(--secondary)
    );
}

/* =========================================================
   CATEGORY BREAKDOWN
========================================================= */
.category-breakdown{

  min-height:100%;

  display:flex;

  flex-direction:column;

  justify-content:flex-start;

  padding:24px;

  border-radius:24px;

  background:rgba(255,255,255,0.55);
}

.category-item{

  display:flex;

  justify-content:space-between;

  align-items:center;

  padding:16px 0;

  font-size:18px;

  border-bottom:
    1px dashed rgba(99,102,241,0.12);
}

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

/* =========================================================
   INSIGHTS
========================================================= */
.insights-body{

  display:flex;

  flex-direction:column;

  gap:18px;
}

.insight-card{

  display:flex;

  align-items:center;

  gap:18px;

  padding:18px;

  border-radius:22px;

  background:rgba(255,255,255,0.55);

  backdrop-filter:blur(10px);
}

.insight-card:hover{

  transform:translateY(-4px);

  box-shadow:
    0 0 25px rgba(99,102,241,0.15);
}

.insight-icon{

  width:58px;
  height:58px;

  border-radius:18px;

  display:flex;

  align-items:center;

  justify-content:center;

  background:
    linear-gradient(
      135deg,
      var(--primary),
      var(--secondary)
    );

  color:white;

  font-size:20px;
}

.insight-label{

  font-size:12px;

  color:var(--muted);

  margin-bottom:4px;
}

.insight-value{

  font-size:15px;

  font-weight:600;
}

/* =========================================================
   TABLE
========================================================= */
.table-container{
  overflow-x:auto;
}

table{

  width:100%;

  border-collapse:collapse;
}

th{

  padding:16px;

  background:rgba(99,102,241,0.08);

  color:var(--primary);

  font-weight:600;
}

td{

  padding:16px;

  text-align:center;

  border-bottom:
    1px solid rgba(99,102,241,0.08);
}

tbody tr:hover{

  transform:scale(1.01);

  background:rgba(99,102,241,0.04);
}

/* =========================================================
   BADGES
========================================================= */
.category-badge{

  padding:8px 14px;

  border-radius:30px;

  color:white;

  font-size:12px;

  font-weight:600;
}

.food{
  background:#ff9800;
}

.travel{
  background:#2196f3;
}

.shopping{
  background:#e91e63;
}

/* =========================================================
   COLORS
========================================================= */
.income-text{
  color:var(--income);
  font-weight:600;
}

.expense-text{
  color:var(--expense);
  font-weight:600;
}

/* =========================================================
   DELETE BTN
========================================================= */
.delete-btn{

  width:40px;
  height:40px;

  border:none;

  border-radius:14px;

  background:#fff0f0;

  color:#ef4444;

  cursor:pointer;
}

.delete-btn:hover{

  background:#ef4444;

  color:white;

  transform:scale(1.08);
}

/* =========================================================
   EMPTY STATE
========================================================= */
.empty-state{

  display:flex;

  flex-direction:column;

  align-items:center;

  justify-content:center;

  gap:14px;

  padding:45px 20px;

  color:var(--muted);
}

.empty-state i{

  font-size:55px;

  color:var(--primary);
}

/* =========================================================
   TOAST
========================================================= */
#toast{

  position:fixed;

  top:25px;
  right:25px;

  background:
    linear-gradient(
      135deg,
      var(--primary),
      var(--secondary)
    );

  color:white;

  padding:16px 22px;

  border-radius:18px;

  font-weight:600;

  transform:translateX(400px);

  z-index:9999;
}

#toast.show{

  transform:translateX(0);
}

/* =========================================================
   LOADER
========================================================= */
.loader{

  position:fixed;

  inset:0;

  background:rgba(255,255,255,0.15);

  backdrop-filter:blur(10px);

  display:flex;

  align-items:center;

  justify-content:center;

  z-index:9999;
}

.hidden{
  display:none;
}

.spinner{

  width:65px;
  height:65px;

  border:
    5px solid rgba(99,102,241,0.2);

  border-top:
    5px solid var(--primary);

  border-radius:50%;

  animation:spin 1s linear infinite;
}

/* =========================================================
   FOOTER
========================================================= */
.footer{

  margin-top:35px;

  text-align:center;

  color:var(--muted);

  font-size:14px;
}

/* =========================================================
   ANIMATIONS
========================================================= */
@keyframes fadeUp{

  from{
    opacity:0;
    transform:translateY(25px);
  }

  to{
    opacity:1;
    transform:translateY(0);
  }
}

@keyframes float{

  0%{
    transform:translateY(0);
  }

  50%{
    transform:translateY(-5px);
  }

  100%{
    transform:translateY(0);
  }
}

@keyframes pulse{

  0%{
    box-shadow:0 0 0 rgba(99,102,241,0.3);
  }

  50%{
    box-shadow:0 0 25px rgba(99,102,241,0.3);
  }

  100%{
    box-shadow:0 0 0 rgba(99,102,241,0.3);
  }
}

@keyframes spin{

  from{
    transform:rotate(0deg);
  }

  to{
    transform:rotate(360deg);
  }
}

/* =========================================================
   DARK MODE
========================================================= */
body.dark{

  --bg:#020617;

  --card:rgba(15,23,42,0.75);

  --text:#f8fafc;

  --muted:#94a3b8;

  --border:rgba(255,255,255,0.08);
}

body.dark{

  background:
    linear-gradient(
      135deg,
      #020617,
      #0f172a,
      #111827
    );
}

body.dark .header,
body.dark .live-clock,
body.dark .monthly-budget,
body.dark .category-breakdown,
body.dark .insight-card{

  background:rgba(15,23,42,0.7);
}

body.dark input,
body.dark select{

  background:rgba(15,23,42,0.8);

  color:white;

  border:
    1px solid rgba(255,255,255,0.08);
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media(max-width:1100px){

  .main-layout{
    grid-template-columns:1fr;
  }

  .summary-body{
    grid-template-columns:1fr;
  }
}

@media(max-width:768px){

  body{
    padding:15px;
  }

  .header{

    flex-direction:column;

    align-items:flex-start;

    gap:20px;
  }

  .header-right{

    width:100%;

    justify-content:space-between;
  }

  .income-expense{
    grid-template-columns:1fr;
  }

  .amount{
    font-size:30px;
  }
}

@media(max-width:500px){

  .header-right{
    flex-direction:column;
    align-items:flex-start;
  }

  .main-heading{
    font-size:24px;
  }

  .amount{
    font-size:30px;
  }

  .expense .amount{
    font-size:28px;
  }

  .add-data,
  .summary,
  .insights,
  .recent-activity{
    padding:22px;
  }
}