/* Modern, καθαρό UI για την πλατφόρμα υποστήριξης ωρών
   - Χρωματική παλέτα με ουδέτερα + primary
   - Cards, buttons, πίνακες, φόρμες, badges, progress bars
   - Responsive για κινητό/τάμπλετ
*/

:root {
  --bg: #0b0d10;             /* σκούρο background για μοντέρνο contrast */
  --surface: #141820;         /* κάρτες/containers */
  --elevated: #1b2230;        /* ελαφρώς πιο σκούρο */
  --text: #e7eefb;            /* βασικό κείμενο */
  --muted: #a9b4c7;           /* δευτερεύον */
  --primary: #5b8cff;         /* κύριο brand χρώμα */
  --primary-600: #4b77db;
  --success: #22c55e;         /* πράσινο */
  --warning: #f59e0b;         /* πορτοκαλί */
  --danger: #ef4444;          /* κόκκινο */
  --border: #2a3345;          /* γραμμές */
  --accent: #09d2d6;          /* λεπτομέρειες */
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --shadow-soft: 0 6px 18px rgba(0,0,0,.25);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 10% -10%, rgba(91,140,255,.08), transparent),
              radial-gradient(800px 600px at 90% 10%, rgba(9,210,214,.08), transparent),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;  
}

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: saturate(1.2) blur(8px);
  background: linear-gradient(180deg, rgba(20,24,32,.85), rgba(20,24,32,.6));
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.site-header .brand {
  font-weight: 700; letter-spacing: .2px; font-size: 18px;
}
.main-nav { display: flex; gap: 16px; }
.main-nav a {
  color: var(--muted); text-decoration: none; font-weight: 500;
  padding: 10px 12px; border-radius: 999px; transition: .2s ease;
}
.main-nav a:hover { background: var(--elevated); color: var(--text); }

/* Grid helpers */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 780px) { .grid-2 { grid-template-columns: 1fr; } }

/* Cards */
.card {
  background: linear-gradient(180deg, var(--surface), var(--elevated));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.card .card-header { padding: 18px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.card .card-title { font-weight: 600; }
.card .card-body { padding: 20px; }
.card .card-footer { padding: 16px 20px; border-top: 1px solid var(--border); }

/* Buttons */
.btn { 
  display: inline-flex; align-items: center; gap: 10px; cursor: pointer;
  padding: 10px 16px; border-radius: 12px; border: 1px solid transparent; font-weight: 600;
  background: var(--elevated); color: var(--text); transition: .2s ease; text-decoration: none;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-soft); }
.btn:active { transform: translateY(0); }
.btn-primary { background: linear-gradient(180deg, var(--primary), var(--primary-600)); border-color: rgba(0,0,0,.1); }
.btn-success { background: linear-gradient(180deg, #26d26b, #15b354); }
.btn-danger { background: linear-gradient(180deg, #ff6161, #ef4444); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }

/* Badges */
.badge { display: inline-block; padding: 6px 10px; border-radius: 999px; font-size: 12px; border: 1px solid var(--border); color: var(--muted); }
.badge-ok { background: rgba(34,197,94,.15); color: #a8f0c2; border-color: rgba(34,197,94,.25); }
.badge-warn { background: rgba(245,158,11,.15); color: #ffd8a1; border-color: rgba(245,158,11,.25); }
.badge-danger { background: rgba(239,68,68,.15); color: #ffb0b0; border-color: rgba(239,68,68,.25); }

/* Forms */
.form { display: grid; gap: 14px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 720px){ .form .row { grid-template-columns: 1fr; } }
.label { color: var(--muted); font-size: 13px; margin-bottom: 6px; display: block; }
.input, .select, .textarea {
  width: 100%;
  padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border);
  background: #0f131a; color: var(--text); outline: none; transition: .2s ease;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(91,140,255,.15); }
.textarea { min-height: 110px; resize: vertical; }
.help { color: var(--muted); font-size: 12px; }

/* Tables */
.table {
  width: 100%; border-collapse: separate; border-spacing: 0; overflow: hidden;
  border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow-soft);
}
.table thead th {
  text-align: left; font-weight: 600; color: var(--muted);
  background: #111723; border-bottom: 1px solid var(--border); padding: 12px 14px;
}
.table tbody td { padding: 12px 14px; border-bottom: 1px solid var(--border); }
.table tbody tr:hover { background: rgba(255,255,255,.03); }
.table .actions { display: flex; gap: 10px; }

/* Empty state */
.empty {
  padding: 40px; text-align: center; color: var(--muted);
  border: 2px dashed var(--border); border-radius: var(--radius);
}

/* Progress (για υπόλοιπα ωρών) */
.progress { height: 12px; background: #0f131a; border-radius: 999px; border: 1px solid var(--border); overflow: hidden; }
.progress .bar { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); width: 40%; transition: width .3s ease; }
.progress.ok .bar { background: linear-gradient(90deg, var(--success), #46f5d9); }
.progress.warn .bar { background: linear-gradient(90deg, var(--warning), #ffd166); }
.progress.danger .bar { background: linear-gradient(90deg, var(--danger), #ff7a7a); }

/* Mini stat */
.stat {
  display: grid; gap: 6px; padding: 16px; border-radius: 14px; border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), var(--elevated));
}
.stat .label { color: var(--muted); font-size: 12px; }
.stat .value { font-size: 22px; font-weight: 700; }

/* Alerts */
.alert { padding: 14px 16px; border-radius: 12px; border: 1px solid var(--border); background: #101621; }
.alert-success { border-color: rgba(34,197,94,.25); background: rgba(34,197,94,.09); color: #c4ffd7; }
.alert-danger { border-color: rgba(239,68,68,.25); background: rgba(239,68,68,.09); color: #ffc9c9; }
.alert-warn { border-color: rgba(245,158,11,.25); background: rgba(245,158,11,.09); color: #ffe0b3; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: #0e131b; color: var(--muted); }

/* Utilities */
.mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; }
.flex { display: flex; } .items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; }

/* Κάρτα Overview για πακέτο (πρότυπο) */
.package-overview { display: grid; gap: 16px; }
.package-overview .row { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
@media (max-width: 920px) { .package-overview .row { grid-template-columns: 1fr; } }

/* Κουμπιά φίλτρων */
.filters { display: flex; gap: 10px; flex-wrap: wrap; }
.filters .btn { padding: 8px 12px; border-radius: 10px; }

/* Pagination */
.pagination { display: flex; gap: 8px; align-items: center; }
.pagination a { padding: 8px 12px; border: 1px solid var(--border); border-radius: 10px; color: var(--muted); text-decoration: none; }
.pagination a.active { background: var(--primary); color: white; border-color: transparent; }

/* Μικρές λεπτομέρειες hover/focus */
a { color: var(--primary); }
a:hover { text-decoration: underline; }

/* Εικονίδια χώροι (αν βάλουμε emojis) */
.icon { opacity: .9; }

/* ΠΙΝΑΚΕΣ: οριζόντιο scroll όταν δεν χωράνε */
.table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-collapse: separate;
}

.table thead, .table tbody, .table tr, .table th, .table td {
  white-space: nowrap; /* κρατάει τις στήλες σε μία γραμμή για ομαλό scroll */
}
* ==========================
FULL RESPONSIVE ENHANCEMENTS
========================== */
:root { --container-max: 1100px; }
.container { max-width: var(--container-max); }


/* Breakpoint 1024px */
@media (max-width: 1024px){
:root { --container-max: 940px; }
}


/* Breakpoint 900–768px: σπάσιμο πλεγμάτων, πιο μικρά paddings */
@media (max-width: 900px){
.grid-3, .grid-2 { grid-template-columns: 1fr; }
:root { --radius: 14px; }
}
@media (max-width: 768px){
body { line-height: 1.55; }
.container { padding: 16px; }
.site-header .container { padding: 12px 16px; }


.main-nav { gap: 8px; flex-wrap: wrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.main-nav a { padding: 8px 10px; }


.card .card-header, .card .card-body, .card .card-footer { padding: 14px; }
.stat { padding: 12px; }
.stat .value { font-size: 18px; }
.table { font-size: 14px; }
}


/* Breakpoint 560px: mobile compact */
@media (max-width: 560px){
body { font-size: 15px; }
.brand { font-size: 16px !important; }
.btn { padding: 9px 12px; border-radius: 10px; }
.filters { flex-direction: column; align-items: stretch; }
.filters .select, .filters .btn { width: 100%; }
.progress { height: 10px; }
.card { box-shadow: none; }
}


/* Πίνακες: οριζόντιο scroll σε μικρές οθόνες (αν δεν χώρεσαν) */
@media (max-width: 900px){
.table { display: block; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table thead, .table tbody, .table tr, .table th, .table td { white-space: nowrap; }
}
/* Mobile menu button (κρυφό σε desktop) */
.nav-toggle {
  display: none;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 10px; border: 1px solid var(--border);
  background: var(--elevated); color: var(--text);
  font-size: 18px; cursor: pointer;
}
.nav-toggle:active { transform: translateY(1px); }

/* Mobile nav panel */
@media (max-width: 768px){
  .main-nav {
    display: none;                 /* κρύβεται εξ ορισμού στο mobile */
    position: absolute;
    top: 56px;                     /* ύψος header περίπου */
    left: 12px; right: 12px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 12px;
    flex-direction: column;
    gap: 6px;
    background: linear-gradient(180deg, var(--surface), var(--elevated));
    box-shadow: var(--shadow-soft);
    z-index: 120;
  }
  .main-nav.open { display: flex; }

  .main-nav a { padding: 10px 12px; border-radius: 10px; }
  .main-nav a:hover { background: var(--elevated); }

  .nav-toggle { display: inline-flex; }
}

/* Desktop διατηρείται ως είχε */