/* ====================== */
/*       BASE STYLES      */
/* ====================== */
:root {
  --my-blue: #007acc;
  --my-darkblue: #1f5189;
  --my-gray: #d4d4d5;
  --my-yellow: #ffc107;
  --my-lightyellow: #ffe8ae;
  --my-green: #69be28;
  --my-darkgreen: #1b5e20;
  --my-red: #cd202c;
  --my-darkred: #981821;

  /* Liquid Glass Variables */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --glass-shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.15);
  --glass-blur: blur(20px);
  --glass-blur-heavy: blur(40px);

  /* Z-index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 500;
  --z-fixed: 1000;
  --z-modal: 1500;
  --z-tooltip: 2000;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
    "Roboto", sans-serif;
  background: linear-gradient(135deg, #e3f2fd 0%, #f8f9fa 50%, #fff3e0 100%);
  background-attachment: fixed;
  padding-bottom: 50px;
  -webkit-font-smoothing: antialiased;
}

html {
  scroll-behavior: smooth;
}

.bg-light-custom {
  background: rgba(212, 212, 213, 0.5);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.bg-blue-custom {
  background: rgba(0, 122, 204, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.text-blue-custom {
  color: var(--my-green);
}

h4 {
  color: var(--my-darkgreen);
  font-weight: 700;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  filter: drop-shadow(0 1px 3px rgba(31, 81, 137, 0.2));
}

/* Header */
.header {
  background: linear-gradient(135deg, var(--my-darkgreen), var(--my-green));
  color: white;
  padding: 1.5rem 0;
  margin-bottom: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Flex layout for header */
.header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap; /* keeps responsive stacking on smaller screens */
  gap: 1rem;
}

.header-left h1 {
  margin: 0;
  font-weight: 700;
}

.header-left p {
  margin: 0;
  font-size: 1rem;
  opacity: 0.9;
}

.header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
}

.header p {
  margin: 0.5rem 0 0 0;
  opacity: 0.95;
  font-size: 1rem;
}

/* Workflow diagram styling */
.workflow-diagram {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.workflow-step {
  background: rgba(235, 175, 175, 0.1);
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  font-weight: 600;
  white-space: nowrap;
}

.workflow-arrow {
  font-weight: 700;
}

.workflow-step-filter {
  background: rgb(240, 243, 240) !important;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  font-weight: 600;
  -webkit-text-fill-color: rgb(4, 0, 0) !important;
  white-space: nowrap;
}

.workflow-step-2 {
  background: rgba(11, 104, 5, 0.4) !important;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  font-weight: 600;
  white-space: nowrap;
}

/* ====================== */
/*       TYPOGRAPHY       */
/* ====================== */
.title {
  font-family: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: clamp(2rem, 5vw, 3em);
  color: var(--my-darkgreen);
  text-align: center;
  letter-spacing: -0.5px;
  font-weight: 700;
  margin-top: 20px;
  margin-bottom: 20px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  filter: drop-shadow(0 1px 3px rgba(31, 81, 137, 0.2));
}

/* ====================== */
/*     FORM COMPONENTS    */
/* ====================== */

.form-check {
  margin-bottom: 12px;
}

.form-check-input {
  margin-top: 0.25rem;
  width: 22px;
  height: 22px;
  margin-right: 8px;
  border-radius: 8px;
  border: 2px solid rgba(0, 122, 204, 0.3);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1),
    border-color 0.2s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.2s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.form-check-input:checked {
  background: linear-gradient(
    135deg,
    var(--my-green) 0%,
    var(--my-darkgreen) 100%
  );
  border-color: var(--my-green);
  box-shadow: 0 4px 12px rgba(0, 122, 204, 0.4),
    inset 0 1px 2px rgba(255, 255, 255, 0.3);
}

.form-check-input:hover {
  border-color: var(--my-green);
  transform: scale(1.05);
}

.form-check-input:focus-visible {
  outline: 3px solid var(--my-green);
  outline-offset: 2px;
}

.form-check-input:disabled,
.form-check-input:disabled ~ .form-check-label,
.form-check:has(.form-check-input:disabled) {
  cursor: not-allowed !important;
}

#fileInput::placeholder {
  color: red;
  opacity: 1;
}

.border-none {
  border: none;
}

/* ==================== */
/*      DRAG & DROP     */
/* ==================== */
.border-dashed {
  border-style: dashed !important;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

#dropZone {
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 2px dashed rgba(0, 122, 204, 0.3);
  border-radius: 24px;
  box-shadow: var(--glass-shadow), inset 0 1px 2px rgba(255, 255, 255, 0.5);
}

#dropZone.dragover {
  background: rgba(227, 242, 253, 0.9) !important;
  border-color: var(--my-darkgreen) !important;
  transform: scale(1.02);
  box-shadow: 0 16px 48px rgba(31, 81, 137, 0.2),
    inset 0 1px 3px rgba(255, 255, 255, 0.7);
}

#dropZone:hover:not(.disabled) {
  background: rgba(233, 236, 239, 0.8) !important;
  border-color: #6c757d !important;
  box-shadow: var(--glass-shadow-hover),
    inset 0 1px 3px rgba(255, 255, 255, 0.6);
}

#dropZone.disabled {
  cursor: not-allowed !important;
  background: rgba(248, 249, 250, 0.5) !important;
  border-color: rgba(108, 117, 125, 0.3) !important;
  opacity: 0.6;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

#dropZone.disabled:hover {
  background: rgba(248, 249, 250, 0.5) !important;
  border-color: rgba(108, 117, 125, 0.3) !important;
  transform: none;
  box-shadow: var(--glass-shadow);
}

#dropZone.has-file {
  background: rgba(240, 249, 255, 0.9) !important;
  border-color: #0d6efd !important;
  box-shadow: 0 8px 32px rgba(13, 110, 253, 0.15),
    inset 0 1px 3px rgba(255, 255, 255, 0.7);
}

/* ======================= */
/*     INVALID FILE        */
/* ======================= */

/*
.invalid-file {
  border-color: #dc3545 !important;
  background-color: #f8d7da !important;
}

.invalid-file:hover {
  border-color: #b02a37 !important;
  background-color: #f1aeb5 !important;
}
  */

/* ====================== */
/*     PROCESS BUTTON    */
/* ====================== */
.btn-process {
  background: linear-gradient(135deg, var(--my-darkgreen), var(--my-green));
  color: white;
  border: none;
  padding: 12px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
  min-width: 200px; /* Set a minimum width */
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.btn-process {
  width: fit-content;
  min-width: 250px !important;
}

.btn-process:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--my-gray);
}

.btn-process:active:not(:disabled) {
  transform: translateY(0);
}

.btn-process:disabled {
  opacity: 0.9;
  cursor: not-allowed;
  background: linear-gradient(135deg, var(--my-gray), var(--my-gray));
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);
}

/* ====================== */
/*    CARD COMPONENTS     */
/* ====================== */

/*
.header-primary {
  background: linear-gradient(
    135deg,
    rgba(0, 122, 204, 0.95) 0%,
    rgba(31, 81, 137, 0.95) 100%
  );
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  text-align: center;
  color: white;
  border-radius: 20px 20px 0 0;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.2);
}
  */

.card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow), inset 0 1px 2px rgba(255, 255, 255, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-header {
  font-weight: 700;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  letter-spacing: -0.3px;
  padding: 1rem 1.25rem;
}

.card-body {
  padding: 1.25rem 1.5rem;
}

.card-body .row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 0;
}

.card-body .col-md-4 {
  flex: 1 1 calc(33.333% - 0.67rem);
  min-width: 280px;
  padding: 0;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
  pointer-events: none;
  z-index: var(--z-base);
}

.card:hover::before {
  left: 100%;
}

.min-width-200 {
  min-width: 200px;
}

/* ======================= */
/*  PUBMED EXPORT WARNING  */
/* ======================= */
.warning-message {
  display: none;
  text-align: center;
  color: red;
  font-weight: 600;
  margin: 20px auto;
  padding: 12px 20px;
  background: rgba(255, 235, 238, 0.8);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-radius: 16px;
  border: 1px solid rgba(205, 32, 44, 0.2);
  box-shadow: 0 4px 20px rgba(205, 32, 44, 0.1);
}

/* ======================= */
/*   PROGRESS COMPONENTS   */
/* ======================= */

.progress {
  height: 40px;
  background: rgba(233, 236, 239, 0.6);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
  margin: 0.25rem 0;
}

.progress-bar {
  background: linear-gradient(
    90deg,
    var(--my-green) 0%,
    var(--my-darkgreen) 100%
  );
  box-shadow: 0 2px 8px rgba(31, 81, 137, 0.3),
    inset 0 1px 2px rgba(255, 255, 255, 0.2);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 14px;
}

/* Message container */
#progressMessages {
  min-height: 100px;
  max-height: 600px;
  overflow-y: auto;
  border: 1px solid rgba(222, 226, 230, 0.4);
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 16px;
  background: rgba(248, 249, 250, 0.7);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.03);
}

/* Message types */
.progress-message {
  border-radius: 8px;
  padding: 0.5rem 1rem;
  margin: 0.2rem 0;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.progress-message.error {
  background: linear-gradient(135deg, #fff5f5 0%, #fed7d7 100%);
  border: 1px solid #fc8181;
  color: #742a2a;
}

.progress-message.warning {
  background: linear-gradient(135deg, #fffaf0 0%, #feebc8 100%);
  border: 1px solid #fbd38d;
  color: #744210;
}

.progress-message.success {
  background: linear-gradient(135deg, #f0fff4 0%, #c6f6d5 100%);
  border: 1px solid #9ae6b4;
  color: #276749;
}

.progress-message.info {
  background: linear-gradient(135deg, #ebf8ff 0%, #bee3f8 100%);
  border: 1px solid #90cdf4;
  color: #2a4365;
}

/* Tight relation between header, bar, and messages */
#progressSection .card-header {
  margin-bottom: 0;
  padding-bottom: 0.3rem;
  border-bottom: none;
}

#progressSection .card-body:first-of-type {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}

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

/* Pulse animation for important errors */
@keyframes pulseWarning {
  0%,
  100% {
    box-shadow: 0 4px 12px rgba(254, 178, 178, 0.15);
  }
  50% {
    box-shadow: 0 4px 20px rgba(229, 62, 62, 0.25);
  }
}

/* ====================== */
/*    EXPORT SECTION      */
/* ====================== */
#exportLinks {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.export-wrapper {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.export-label {
  font-weight: 700;
  margin-bottom: 0;
  letter-spacing: -0.3px;
}

.export-select {
  width: auto;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  line-height: 1.2;
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(0, 122, 204, 0.3);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05),
    inset 0 1px 2px rgba(255, 255, 255, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.export-select:hover {
  border-color: var(--my-green);
  box-shadow: 0 4px 16px rgba(0, 122, 204, 0.15),
    inset 0 1px 3px rgba(255, 255, 255, 0.5);
}

.export-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(
    135deg,
    var(--my-darkgreen) 0%,
    var(--my-green) 100%
  );
  color: white;
  border: none;
  padding: 0.625rem 1.25rem;
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  border-radius: 14px;
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  line-height: 1;
  box-shadow: 0 4px 20px rgba(31, 81, 137, 0.3),
    inset 0 1px 2px rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.export-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 122, 204, 0.4),
    inset 0 1px 3px rgba(255, 255, 255, 0.3);
}

.export-button:active {
  transform: translateY(0);
  box-shadow: 0 4px 16px rgba(0, 122, 204, 0.3);
}

.export-button .btn-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.export-button .fa-download {
  font-size: 16px;
  line-height: 1;
}

.export-button span {
  line-height: 1;
}

.export-button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
  pointer-events: none;
  z-index: var(--z-base);
}

.export-button:hover::before {
  left: 100%;
}

/* ======================== */
/*    FLOATING REFRESH      */
/* ======================== */
.floating-refresh-button {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #1b5e20 0%, #69be28);
  backdrop-filter: var(--glass-blur-heavy);
  -webkit-backdrop-filter: var(--glass-blur-heavy);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 32px rgba(31, 81, 137, 0.3),
    inset 0 1px 3px rgba(255, 255, 255, 0.2);
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.floating-refresh-button::after {
  content: "⚠️ All previous work will be lost. Proceed with caution.";
  position: absolute;
  bottom: 100%;
  right: 0;
  margin-bottom: 12px;
  background: rgba(254, 243, 199, 0.95);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: #92400e;
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 0.875rem;
  white-space: nowrap;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25),
    inset 0 1px 3px rgba(255, 255, 255, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: calc(var(--z-fixed) + 1);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.floating-refresh-button:hover::after {
  opacity: 1;
  transform: translateY(-4px);
}

.floating-refresh-button:hover {
  background: linear-gradient(135deg, var(--my-yellow) 0%, #ffb300 100%);
  box-shadow: 0 12px 48px rgba(255, 193, 7, 0.4),
    inset 0 1px 4px rgba(255, 255, 255, 0.3);
}

.floating-refresh-button:active {
  transform: scale(1.05);
}

/* ======================== */
/*    FLOATING HOME      */
/* ======================== */
.floating-home-button {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #1b5e20 0%, #69be28 0%);
  backdrop-filter: var(--glass-blur-heavy);
  -webkit-backdrop-filter: var(--glass-blur-heavy);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 32px rgba(31, 81, 137, 0.3),
    inset 0 1px 3px rgba(255, 255, 255, 0.2);
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.floating-home-button::after {
  position: absolute;
  bottom: 100%;
  left: 0;
  margin-bottom: 12px;
  background: rgba(254, 243, 199, 0.95);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: #92400e;
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 0.875rem;
  white-space: nowrap;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25),
    inset 0 1px 3px rgba(255, 255, 255, 0.4);
  opacity: 1;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: calc(var(--z-fixed) + 1);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.floating-home-button:hover::after {
  opacity: 1;
  transform: translateY(-4px);
}

.floating-home-button:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 48px rgba(255, 193, 7, 0.4),
    inset 0 1px 4px rgba(255, 255, 255, 0.3);
}

.floating-home-button:active {
  transform: scale(1.05);
}

/* ====================== */
/*       TOOLTIPS         */
/* ====================== */

.tooltip-container {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

.tooltip-icon {
  background: linear-gradient(
    135deg,
    var(--my-green) 0%,
    var(--my-darkgreen) 100%
  );
  color: white;
  border-radius: 50%;
  padding: 2px 7px;
  font-size: 11px;
  line-height: 1.4;
  display: inline-block;
  box-shadow: 0 2px 8px rgba(0, 122, 204, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tooltip-warning-icon {
  background: linear-gradient(
    135deg,
    var(--my-lightyellow) 0%,
    var(--my-yellow) 100%
  );
  color: rgb(245, 6, 6);
  border-radius: 50%;
  padding: 2px 7px;
  font-size: 11px;
  line-height: 1.4;
  display: inline-block;
  box-shadow: 0 2px 8px rgba(0, 122, 204, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tooltip-icon:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 16px rgba(0, 122, 204, 0.4);
}

.tooltip-field {
  background: linear-gradient(
    135deg,
    rgba(0, 122, 204, 0.9) 0%,
    rgba(31, 81, 137, 0.9) 100%
  );
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: white;
  padding: 4px 10px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  display: inline-block;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 122, 204, 0.25);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tooltip-field:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 122, 204, 0.35);
}

.tooltip-text {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  max-width: 90vw;
  width: fit-content;
  min-width: 240px;
  max-height: 300px;
  overflow-y: auto;
  background: rgba(40, 40, 40, 0.97);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: #fff;
  font-size: 14px;
  text-align: left;
  padding: 10px 14px;
  border-radius: 12px;
  z-index: var(--z-tooltip);
  white-space: normal;
  visibility: hidden;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  box-sizing: border-box;
  font-weight: 300;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3),
    inset 0 1px 2px rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.tooltip-container:hover .tooltip-text,
.tooltip-text:hover {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(-4px);
  transition-delay: 0.1s;
}

/* ====================== */
/*       ANIMATIONS       */
/* ====================== */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(204, 204, 204, 0.3);
  border-top-color: rgba(51, 51, 51, 0.8);
  border-radius: 50%;
  animation: spin 0.7s cubic-bezier(0.4, 0, 0.2, 1) infinite !important;
  display: inline-block;
  vertical-align: middle;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

/* ====================== */
/*        FOOTER          */
/* ====================== */
.custom-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: var(--my-darkgreen);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  line-height: 2;
  padding: 10px 0px;
  border-radius: 0;
  box-shadow: var(--glass-shadow), inset 0 1px 2px rgba(255, 255, 255, 0.4);
  border-top: 1px solid var(--glass-border);
  z-index: 100;
}

.custom-footer .footer-credits {
  font-size: 0.75rem;
  color: #bfd9fa;
  font-style: normal;
  padding: 0;
  font-weight: 400;
}

/* ====================== */
/*    MISC COMPONENTS     */
/* ====================== */

#errorSection {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  justify-content: center;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  padding: 1rem;
}

.error-message {
  background: linear-gradient(135deg, #fff5f5 0%, #fed7d7 100%);
  border: 1px solid #fc8181;
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  position: relative;
  animation: slideInUp 0.3s ease-out;
  max-width: 500px;
  width: 100%;
}

.error-message::before {
  content: "⚠️";
  position: absolute;
  left: -12px;
  top: -12px;
  background: #e53e3e;
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  box-shadow: 0 2px 8px rgba(229, 62, 62, 0.3);
}

.error-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: transparent;
  border: none;
  font-size: 2rem;
  line-height: 1;
  color: #c53030;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.error-close:hover {
  background: rgba(197, 48, 48, 0.1);
  transform: scale(1.1);
}

.error-close:active {
  transform: scale(0.95);
}

.error-message p {
  margin: 0;
  color: #742a2a;
  font-weight: 500;
  line-height: 1.5;
  font-size: 0.95rem;
  padding-right: 2rem;
}

.error-message p + p {
  margin-top: 0.5rem;
}

.error-message strong {
  color: #c53030;
  font-weight: 600;
}

.error-message.important {
  animation: slideInUp 0.3s ease-out, pulseWarning 2s ease-in-out infinite;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseWarning {
  0%,
  100% {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }
  50% {
    box-shadow: 0 4px 20px rgba(229, 62, 62, 0.5);
  }
}

/* ====================== */
/*   FORM INPUT FIELDS    */
/* ====================== */
input[type="text"],
input[type="email"],
input[type="number"],
input[type="file"],
select,
textarea {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(0, 122, 204, 0.3);
  border-radius: 12px;
  padding: 0.5rem 1rem;
  transition: border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.03);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="file"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--my-green);
  box-shadow: 0 0 0 3px rgba(0, 122, 204, 0.15),
    inset 0 2px 4px rgba(0, 0, 0, 0.03);
  background: rgba(255, 255, 255, 0.85);
}

/* ====================== */
/*   SCROLLBAR STYLING    */
/* ====================== */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: rgba(233, 236, 239, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(
    135deg,
    rgba(0, 122, 204, 0.7) 0%,
    rgba(31, 81, 137, 0.7) 100%
  );
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 10px;
  border: 2px solid transparent;
  background-clip: padding-box;
  transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(
    135deg,
    var(--my-green) 0%,
    var(--my-darkgreen) 100%
  );
}

/* ====================== */
/*   ADDITIONAL EFFECTS   */
/* ====================== */

/* Subtle shine effect on glass elements */
@keyframes shine {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

/* ====================== */
/* RESPONSIVE ADJUSTMENTS */
/* ====================== */

/* Mobile screens */
@media (max-width: 576px) {
  .title {
    font-size: 1.75rem;
  }

  .floating-refresh-button {
    width: 48px;
    height: 48px;
    bottom: 16px;
    right: 16px;
    font-size: 1.2rem;
  }

  .floating-refresh-button::after {
    display: none;
  }

  .card-body {
    padding: 1rem;
  }

  .card-header {
    padding: 0.75rem 1rem;
  }
}

/* Tablet screens */
@media (min-width: 577px) and (max-width: 768px) {
  .card-body .col-md-4 {
    flex: 1 1 100%;
  }
}

/* Medium screens */
@media (max-width: 768px) {
  .card-body .col-md-4 {
    flex: 1 1 100%;
    min-width: 100%;
  }

  .title {
    font-size: 2rem;
  }

  .floating-refresh-button {
    width: 56px;
    height: 56px;
    bottom: 20px;
    right: 20px;
  }

  .error-message {
    padding: 1rem;
    margin: 0.75rem 0.5rem;
    border-radius: 8px;
  }

  .error-message::before {
    left: -8px;
    top: -8px;
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
  }
}

/* Large tablet / Small desktop */
@media (min-width: 769px) and (max-width: 992px) {
  .card-body .col-md-4 {
    flex: 1 1 calc(50% - 0.5rem);
  }
}

/* Tooltip adjustments for small screens */
@media (max-width: 400px) {
  .tooltip-text {
    left: 0;
    transform: none;
    min-width: 180px;
    max-width: 90vw;
  }

  .tooltip-container:hover .tooltip-text {
    transform: translateY(-4px);
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}